Re: Hello, and 16500A memory sizes
There used to be an upgrade kit available (HP E2479a) that let you turn
an A or B into a C model. It was essentially a motherboard swap. I
used to see them on ebay the other year going for around $100-150.
Unfortunately, by the time I decided I wanted one, they were no
longer being offered. These are easy to find in Ebay, but it isn't "a motherboard swap". As a matter of fact, the only things you keep on your A system is the aluminium chassis and fans, the monitor, power supply and connector board. Everything (cables, floppy drive, front panel [!], back panel, motherboard) are changed and some bits added (hard disk support tray, hard disk cables, hard disk itself) I'm on a low intensity hunt for a 16500C chassis now to do the
equivalent for my B. I hear rumours of them selling for $50, but
I have yet to see that for myself. In ebay you can find it, The nice chap who helped me getting my "upgrade kit" (in fact he got a complete 16500C, disassembled it and sent me the parts) paid around $70 on mine if I'm not mistaken
|
Re: Hello, and 16500A memory sizes
Hi, I have 4 16500A's, 2 16500B's, 2 16500C's, & 1 16700A in my garage. tell me what your cpu pcb # is and what cpu pcb # you need for the 16500A and I'll go look...additionally I have the software disks for the A, B & C as well. Best Regards, Brian Bergantz bergantz95118@... On Fri, Jan 4, 2013 at 5:55 AM, cmjones012003 <chris@...> wrote: **
Hello all,
I'm in the UK and am new to the group, though have seen messages here when
doing web searches for information on HP equipment.
I'm looking for help with a 16500A logic analysis system. I have both a
16500B and a 16500A in good working condition and am trying to make two
useful machines, each with both DSO and logic analyser modules. The 16500B
is no problem and supports everything. The problem comes with the 16500A.
I've fitted it with 16530A/16531A DSO modules and a 16550A logic analyser
module. Sadly, as reported by others in this group (back in spring of this
year, I think) some examples of the 16500A only have 1MB of RAM which isn't
enough to accommodate the 16550A system software. Mine is one of these, and
it complains when loading the SYSTEM_.032 module.
Examining the CPU board, it has 8 44C256 1Mbit DRAM chips soldered to it.
I've done a bit of reverse engineering and established that the board is in
fact wired for 4Mbit parts, which is promising for an upgrade. However,
4Mbit DRAMs (44400 and so on) sadly don't seem to be available in the DIL
package that the board is laid out for. I am contemplating all sorts of
hackery involving wiring SIMM slots up, or adapter boards to take
surface-mount RAM chips stolen from old SIMMs, but it would be
time-consuming and the space available on the CPU board is limited. There's
no guarantee of success, either, since the ROMs on the CPU board might not
support more than 1MB of RAM.
I'd like to hear what peoples' opinions are of ways to proceed. Has anyone
ever upgraded an early 16500A CPU board with more RAM? Do the ROMs support
it? Might I need to change the ROMs to the later version? Or should I
simply swap out the CPU board for a later one? In which case where would I
find one?
I know the 16500A is pretty old, but it would still be a useful machine to
me. The 16500 series don't seem to be all that plentiful in the UK so I
haven't found a ready source of donor machines to pull parts from.
Thanks in advance
Chris
[Non-text portions of this message have been removed]
|
Amphenol 32 pin blue ribbon connectors for 8558b SA
If anyone is looking for the Amphenol blue ribbon connectors to make
an extender for the 8558b and similar SAs, I found a sort of reasonable
source at
They have a few used male connectors in stock along with hoods.
The female seem to have gotten extremely hard to find. I think I
got the last one from them.
--
Paul Amaranth, GCIH | Rochester MI, USA
Aurora Group, Inc. | Security, Systems & Software
paul@... | Unix & Windows
|
Re: Hello, and 16500A memory sizes
On Fri, Jan 4, 2013 at 6:47 AM, Paul Amaranth <paul@...> wrote:
There used to be an upgrade kit available (HP E2479a) that let you turn
an A or B into a C model. It was essentially a motherboard swap. I
used to see them on ebay the other year going for around $100-150.
Unfortunately, by the time I decided I wanted one, they were no
longer being offered.
I'm on a low intensity hunt for a 16500C chassis now to do the
equivalent for my B. I hear rumours of them selling for $50, but
I have yet to see that for myself.
Finding them at the ~$50 price point isn't the issue so much as what you might have to pay for decent packing and shipping if they are not local to you. I saw some recently go unsold around that price somewhere in Ohio, but for that sale you might pay around three times that for the shipping situation if you were not local enough to pickup yourself.
|
Re: 8753D Test Port Connectors - Is Loose OK?
** Begin preachy statement:
First things first, since there is a lot of misinformation floating around
about the proper mating of APC7 connectors, I will start there. Before
you mate an APC-7 connector, wipe the mating surfaces with a clean rag
dipped in 99% isopropyl alcohol... cleanliness is paramount if you want
repeatable measurements.
When you mate an APC7 connector, one of the two connectors should have
its outer collar turned until the center threaded sleeve is all the way
exposed. Then holding the other connector (so that its insides cannot
rotate), engage the threads on the sleeve, and tighten until finger snug.
Do not under any circumstances allow the two connectors to rotate relative
to each other!
Over tightening the connector will cause the gold on the face where the
two shields mate to swage out, making a tiny annular choke ring in the
shield, destroying the RF characteristics of the connector.
If the sharp ridges on the connector shell are cutting your fingers, it
is too tight!
Do not snug up the loose outer collar into the tight outer collar.
Doing so will confuse you when it is time to unmate the connector, and
can lead to operating with a loose connection.
** End preachy statement.
The important RF goodies of an APC7 connector are designed to be field
replaceable from the outside of the instrument. If you look at the
face of the APC7 connector, you will see two drilled holes,
diametrically opposed, on either side of the gold coaxial shield. The
holes are placed there for engaging the pins on a spanner wrench used
to tighten/loosen the APC7 connector to the chassis mounted part of
the connector. Make sure that the disk they turn is not loose... it
is probably ok, if you aren't seeing massive changes in reflection and
loss when the connector is wiggled.
And lastly, the chassis end of the connector is usually held to the
chassis by a large threaded nut, just like most other RF connectors.
The connector passes through a "D" shaped hole, which is why it won't
turn, and the nut holds it tightly to the chassis.
Sometimes, when the APC7 is feeding a stripline on a circuitboard,
the chassis box is the other side of the connector, so in that case,
the threads that the spanner wrench holes turn are all that holds
the connector onto the chassis.
A good source of replacement APC7 connector ends is a burned out APC7
type of attenuator... it is of zero value as an attenuator, but the
APC7 connector ends can be removed with a spanner wrench, and used
on something more important to you, such as a 8753D.
-Chuck Harris
fishtronics wrote:
toggle quoted message
Show quoted text
Sorta along the lines of the 8753D calibration discussion- can someone who knows
8753Ds please help me? I have several units at work, and ALL of them have at least
one of the APC-7 test port connectors that have some wiggle to them. Not much,
maybe 0.050". But the wiggle room is all around, not just in one axis. But I
figure that as they get used, and the test cables are moved around, somewhere
inside the unit a coax somewhere is being bent, or worse. I have had some of these
units repaired for various resaons and they come back the same, with no notation
by the repair service that anything is wrong. When I wiggle them, I see no effect
on the calibration or displayed data. So- will something fail eventually, or is it
OK? It seems to me like maybe there is just a loose setscrew somewhere. Can the
fix be very hard? Thanks, Jason
|
Re: Equipment Rack mount hardware
I'd like to find some HP rack mount ears for my 8660D, 853A and several
for 8410 instruments. I imagine these are all the same HP part nuber.
Cheers,
Dave
toggle quoted message
Show quoted text
On 1/3/2013 12:51 PM, Tom Holmes wrote:
HI Mike.
HP used a number of different rack mount systems over the years. Can you
provide any info on what specific instruments you want to mount? Or
better,
some pictures?
Tom Holmes, N8ZM
Tipp City, OH
EM79
|
Re: Hello, and 16500A memory sizes
There used to be an upgrade kit available (HP E2479a) that let you turn
an A or B into a C model. It was essentially a motherboard swap. I
used to see them on ebay the other year going for around $100-150.
Unfortunately, by the time I decided I wanted one, they were no
longer being offered.
I'm on a low intensity hunt for a 16500C chassis now to do the
equivalent for my B. I hear rumours of them selling for $50, but
I have yet to see that for myself.
toggle quoted message
Show quoted text
On Fri, Jan 04, 2013 at 01:55:20PM -0000, cmjones012003 wrote: Hello all,
I'm in the UK and am new to the group, though have seen messages here when doing web searches for information on HP equipment.
I'm looking for help with a 16500A logic analysis system. I have both a 16500B and a 16500A in good working condition and am trying to make two useful machines, each with both DSO and logic analyser modules. The 16500B is no problem and supports everything. The problem comes with the 16500A. I've fitted it with 16530A/16531A DSO modules and a 16550A logic analyser module. Sadly, as reported by others in this group (back in spring of this year, I think) some examples of the 16500A only have 1MB of RAM which isn't enough to accommodate the 16550A system software. Mine is one of these, and it complains when loading the SYSTEM_.032 module.
Examining the CPU board, it has 8 44C256 1Mbit DRAM chips soldered to it. I've done a bit of reverse engineering and established that the board is in fact wired for 4Mbit parts, which is promising for an upgrade. However, 4Mbit DRAMs (44400 and so on) sadly don't seem to be available in the DIL package that the board is laid out for. I am contemplating all sorts of hackery involving wiring SIMM slots up, or adapter boards to take surface-mount RAM chips stolen from old SIMMs, but it would be time-consuming and the space available on the CPU board is limited. There's no guarantee of success, either, since the ROMs on the CPU board might not support more than 1MB of RAM.
I'd like to hear what peoples' opinions are of ways to proceed. Has anyone ever upgraded an early 16500A CPU board with more RAM? Do the ROMs support it? Might I need to change the ROMs to the later version? Or should I simply swap out the CPU board for a later one? In which case where would I find one?
I know the 16500A is pretty old, but it would still be a useful machine to me. The 16500 series don't seem to be all that plentiful in the UK so I haven't found a ready source of donor machines to pull parts from.
Thanks in advance
Chris
--
Paul Amaranth, GCIH | Rochester MI, USA
Aurora Group, Inc. | Security, Systems & Software
paul@... | Unix & Windows
|
Re: Hello, and 16500A memory sizes
On Fri, 04 Jan 2013 13:55:20 -0000, you wrote: Hello all,
I'm in the UK and am new to the group, though have seen messages here when doing web searches for information on HP equipment.
I'm looking for help with a 16500A logic analysis system. I have both a 16500B and a 16500A in good working condition and am trying to make two useful machines, each with both DSO and logic analyser modules. The 16500B is no problem and supports everything. The problem comes with the 16500A. I've fitted it with 16530A/16531A DSO modules and a 16550A logic analyser module. Sadly, as reported by others in this group (back in spring of this year, I think) some examples of the 16500A only have 1MB of RAM which isn't enough to accommodate the 16550A system software. Mine is one of these, and it complains when loading the SYSTEM_.032 module. You could make it work with a 16510, I think. The 16550 is very long, but in comparison, the 16510 is much shorter, and much more rapid to respond to positioning and scanning commands.
Examining the CPU board, it has 8 44C256 1Mbit DRAM chips soldered to it. I've done a bit of reverse engineering and established that the board is in fact wired for 4Mbit parts, which is promising for an upgrade. However, 4Mbit DRAMs (44400 and so on) sadly don't seem to be available in the DIL package that the board is laid out for. I am contemplating all sorts of hackery involving wiring SIMM slots up, or adapter boards to take surface-mount RAM chips stolen from old SIMMs, but it would be time-consuming and the space available on the CPU board is limited. There's no guarantee of success, either, since the ROMs on the CPU board might not support more than 1MB of RAM.
IIRC, there's an upgrade kit, it at least would do a 16500B to C, and that frees up your 16500B motherboard for use in the 16500A, should you care to go that way. I've seen the upgrade kits on ebay from time to time, IIRC, it's a new CPU board. I'd like to hear what peoples' opinions are of ways to proceed. Has anyone ever upgraded an early 16500A CPU board with more RAM? Do the ROMs support it? Might I need to change the ROMs to the later version? Or should I simply swap out the CPU board for a later one? In which case where would I find one? See above for new CPU board. I think that I've seen 1 and 2 megs for the A, 4 and 8 for the B, and I think 8 and 16 for the C, although I could be completely wrong on the figures, it does go up with model.
I know the 16500A is pretty old, but it would still be a useful machine to me. The 16500 series don't seem to be all that plentiful in the UK so I haven't found a ready source of donor machines to pull parts from.
I have a 16500B, for that matter.... Best of luck on this, Harvey
Thanks in advance
Chris
|
Re: Hello, and 16500A memory sizes
Am 04.01.2013 14:55, schrieb cmjones012003: I'd like to hear what peoples' opinions are of ways to proceed. Has
anyone ever upgraded an early 16500A CPU board with more RAM? Do the
ROMs support it? Might I need to change the ROMs to the later version?
Or should I simply swap out the CPU board for a later one? In which
case where would I find one?
I have bought one of the very first HP16500A when it just came out and the scope board later, also new only to discover that the machine could not run its software. Only remedy was to change the cpu board at a high price. :-( Gerhard
|
Hello, and 16500A memory sizes
Hello all,
I'm in the UK and am new to the group, though have seen messages here when doing web searches for information on HP equipment.
I'm looking for help with a 16500A logic analysis system. I have both a 16500B and a 16500A in good working condition and am trying to make two useful machines, each with both DSO and logic analyser modules. The 16500B is no problem and supports everything. The problem comes with the 16500A. I've fitted it with 16530A/16531A DSO modules and a 16550A logic analyser module. Sadly, as reported by others in this group (back in spring of this year, I think) some examples of the 16500A only have 1MB of RAM which isn't enough to accommodate the 16550A system software. Mine is one of these, and it complains when loading the SYSTEM_.032 module.
Examining the CPU board, it has 8 44C256 1Mbit DRAM chips soldered to it. I've done a bit of reverse engineering and established that the board is in fact wired for 4Mbit parts, which is promising for an upgrade. However, 4Mbit DRAMs (44400 and so on) sadly don't seem to be available in the DIL package that the board is laid out for. I am contemplating all sorts of hackery involving wiring SIMM slots up, or adapter boards to take surface-mount RAM chips stolen from old SIMMs, but it would be time-consuming and the space available on the CPU board is limited. There's no guarantee of success, either, since the ROMs on the CPU board might not support more than 1MB of RAM.
I'd like to hear what peoples' opinions are of ways to proceed. Has anyone ever upgraded an early 16500A CPU board with more RAM? Do the ROMs support it? Might I need to change the ROMs to the later version? Or should I simply swap out the CPU board for a later one? In which case where would I find one?
I know the 16500A is pretty old, but it would still be a useful machine to me. The 16500 series don't seem to be all that plentiful in the UK so I haven't found a ready source of donor machines to pull parts from.
Thanks in advance
Chris
|
Re: 8753D Test Port Connectors - Is Loose OK?
Well crap... Vladan beat me by 5 min. It's almost midnight Vladan...go to sleep!
CV
toggle quoted message
Show quoted text
--- In hp_agilent_equipment@..., "pianovt" wrote:
Hi Jason,
That's by design. One test port is designed to move in order to accommodate the tolerances of the 11608A transistor test fixture which has a fixed spacing between its two 7mm connectors.
Vladan
--- In hp_agilent_equipment@..., "fishtronics" wrote:
Sorta along the lines of the 8753D calibration discussion- can someone who knows 8753Ds please help me? I have several units at work, and ALL of them have at least one of the APC-7 test port connectors that have some wiggle to them. Not much, maybe 0.050". But the wiggle room is all around, not just in one axis. But I figure that as they get used, and the test cables are moved around, somewhere inside the unit a coax somewhere is being bent, or worse. I have had some of these units repaired for various resaons and they come back the same, with no notation by the repair service that anything is wrong. When I wiggle them, I see no effect on the calibration or displayed data. So- will something fail eventually, or is it OK? It seems to me like maybe there is just a loose setscrew somewhere. Can the fix be very hard? Thanks, Jason
|
Re: 8753D Test Port Connectors - Is Loose OK?
I believe this is normal. It is designed to accommodate a fixed spacing device and in order to deal with mechanical variations, at least of the test port connectors must float slightly. There is nothing to fix as this is normal and is part of the design. You will find most test sets are like this.
CV
toggle quoted message
Show quoted text
--- In hp_agilent_equipment@..., "fishtronics" wrote:
Sorta along the lines of the 8753D calibration discussion- can someone who knows 8753Ds please help me? I have several units at work, and ALL of them have at least one of the APC-7 test port connectors that have some wiggle to them. Not much, maybe 0.050". But the wiggle room is all around, not just in one axis. But I figure that as they get used, and the test cables are moved around, somewhere inside the unit a coax somewhere is being bent, or worse. I have had some of these units repaired for various resaons and they come back the same, with no notation by the repair service that anything is wrong. When I wiggle them, I see no effect on the calibration or displayed data. So- will something fail eventually, or is it OK? It seems to me like maybe there is just a loose setscrew somewhere. Can the fix be very hard? Thanks, Jason
|
Re: 8753D Test Port Connectors - Is Loose OK?
Hi Jason,
That's by design. One test port is designed to move in order to accommodate the tolerances of the 11608A transistor test fixture which has a fixed spacing between its two 7mm connectors.
Vladan
toggle quoted message
Show quoted text
--- In hp_agilent_equipment@..., "fishtronics" wrote:
Sorta along the lines of the 8753D calibration discussion- can someone who knows 8753Ds please help me? I have several units at work, and ALL of them have at least one of the APC-7 test port connectors that have some wiggle to them. Not much, maybe 0.050". But the wiggle room is all around, not just in one axis. But I figure that as they get used, and the test cables are moved around, somewhere inside the unit a coax somewhere is being bent, or worse. I have had some of these units repaired for various resaons and they come back the same, with no notation by the repair service that anything is wrong. When I wiggle them, I see no effect on the calibration or displayed data. So- will something fail eventually, or is it OK? It seems to me like maybe there is just a loose setscrew somewhere. Can the fix be very hard? Thanks, Jason
|
8753D Test Port Connectors - Is Loose OK?
Sorta along the lines of the 8753D calibration discussion- can someone who knows 8753Ds please help me? I have several units at work, and ALL of them have at least one of the APC-7 test port connectors that have some wiggle to them. Not much, maybe 0.050". But the wiggle room is all around, not just in one axis. But I figure that as they get used, and the test cables are moved around, somewhere inside the unit a coax somewhere is being bent, or worse. I have had some of these units repaired for various resaons and they come back the same, with no notation by the repair service that anything is wrong. When I wiggle them, I see no effect on the calibration or displayed data. So- will something fail eventually, or is it OK? It seems to me like maybe there is just a loose setscrew somewhere. Can the fix be very hard? Thanks, Jason
|
Re: 54001A Probe & 54100D Oscilloscope manual
Keep in mind there is a "Probe" menu setting that you can define the pod attenuation setting. I use an external powered FET probe made by Tektronix and it works great plugged right into the 50 ohm pod.
Gary
toggle quoted message
Show quoted text
--- In hp_agilent_equipment@..., Don Black wrote:
Thanks gary. So if there's a 50 ohm terminating resistor across the
input, it seems the mainframe must be high impedance bridging. I may
have to build a buffer to get a 50 ohm feed from the probe. I suspect
there will be ICs available that should do this without building it from
discrete components. Should be fun to try anyway.
I appreciate the information, it all helps. It does seem strange they
would use a mismatched coax inside the scope to take the signal at 1 GHz.
Don Black.
On 04-Jan-13 2:27 PM, Gary wrote:
Hey Don,
Mine came with four 54002 50 ohm pods. Expensive little things when
purchased new ($130)! I took one apart and they have one little 50 Ohm
resister to ground; the rest is plastic and the connectors.
Gary
--- In hp_agilent_equipment@...
, Don Black wrote:
Thanks Gary. Do you know if the output from the probe pods to the main
frame is 50 ohms? If the 54002A pods are a direct feed through that
would verify it. I don't have the scope but am awaiting arrival of a
54001A probe that I want for general use after I make a power supply.
The manuals are a bit sparse on details but I think the output is 50
ohms.
Don Black.
On 04-Jan-13 5:36 AM, Gary wrote:
I got mine from the Agilent website --->
;
54100D:epsg:pro&pageMode=OV&pid=54100D:epsg:pro&cc=US&lc=eng
here
;
54100D:epsg:pro&pageMode=OV&pid=54100D:epsg:pro&cc=US&lc=eng
--- In hp_agilent_equipment@...
, "donblack1au" wrote:
Hello, does anyone have or know of a site where I can get a scam
of a
manual for the HP 54001A 1GHz probe or the HP54100D scope it's
used in.
It's particularly the probe info I need but the scope would also be
useful too.
Thanks, Don Black.
[Non-text portions of this message have been removed]
|
Re: Fluke Equipment Group??
There is a Yahoo group, Fluke_DMM.
Fluke_DMM@...
Joe
toggle quoted message
Show quoted text
-----Original Message----- From: hp_agilent_equipment@... [mailto:hp_agilent_equipment@...] On Behalf Of York Tuba Sent: Thursday, January 03, 2013 8:45 PM To: hp_agilent_equipment@... Subject: [hp_agilent_equipment] Re: Fluke Equipment Group?? I have. NOS manual plus NOS 2170A --- In hp_agilent_equipment@... <mailto:hp_agilent_equipment%40yahoogroups.com> , "David" wrote:
--- In hp_agilent_equipment@...
<mailto:hp_agilent_equipment%40yahoogroups.com> , Dave Hills wrote:
Is there a Fluke Yahoo Group? I am looking for a manual for a 2170A
Digital Thermometer. I have a unit with an inop CPU chip and could use
a schematic.
Thanks,
Dave
ManualsPlus lists the manual in their online catalog at
. Be sure to ask whether the manual contains the schematic before ordering.
Cheers,
Dave M
|
Re: 54001A Probe & 54100D Oscilloscope manual
Thanks gary. So if there's a 50 ohm terminating resistor across the
input, it seems the mainframe must be high impedance bridging. I may
have to build a buffer to get a 50 ohm feed from the probe. I suspect
there will be ICs available that should do this without building it from
discrete components. Should be fun to try anyway.
I appreciate the information, it all helps. It does seem strange they
would use a mismatched coax inside the scope to take the signal at 1 GHz.
Don Black.
toggle quoted message
Show quoted text
On 04-Jan-13 2:27 PM, Gary wrote:
Hey Don,
Mine came with four 54002 50 ohm pods. Expensive little things when
purchased new ($130)! I took one apart and they have one little 50 Ohm
resister to ground; the rest is plastic and the connectors.
Gary
--- In hp_agilent_equipment@...
<mailto:hp_agilent_equipment%40yahoogroups.com>, Don Black wrote:
Thanks Gary. Do you know if the output from the probe pods to the main
frame is 50 ohms? If the 54002A pods are a direct feed through that
would verify it. I don't have the scope but am awaiting arrival of a
54001A probe that I want for general use after I make a power supply.
The manuals are a bit sparse on details but I think the output is 50
ohms.
Don Black.
On 04-Jan-13 5:36 AM, Gary wrote:
I got mine from the Agilent website --->
;
<>>
54100D:epsg:pro&pageMode=OV&pid=54100D:epsg:pro&cc=US&lc=eng
here
;
<>>
54100D:epsg:pro&pageMode=OV&pid=54100D:epsg:pro&cc=US&lc=eng
--- In hp_agilent_equipment@... <mailto:hp_agilent_equipment%40yahoogroups.com>
, "donblack1au" wrote:
Hello, does anyone have or know of a site where I can get a scam
of a
manual for the HP 54001A 1GHz probe or the HP54100D scope it's
used in.
It's particularly the probe info I need but the scope would also be
useful too.
Thanks, Don Black.
|
Re: 54001A Probe & 54100D Oscilloscope manual
Hey Don,
Mine came with four 54002 50 ohm pods. Expensive little things when purchased new ($130)! I took one apart and they have one little 50 Ohm resister to ground; the rest is plastic and the connectors.
Gary
toggle quoted message
Show quoted text
--- In hp_agilent_equipment@..., Don Black wrote:
Thanks Gary. Do you know if the output from the probe pods to the main
frame is 50 ohms? If the 54002A pods are a direct feed through that
would verify it. I don't have the scope but am awaiting arrival of a
54001A probe that I want for general use after I make a power supply.
The manuals are a bit sparse on details but I think the output is 50 ohms.
Don Black.
On 04-Jan-13 5:36 AM, Gary wrote:
I got mine from the Agilent website --->
;
54100D:epsg:pro&pageMode=OV&pid=54100D:epsg:pro&cc=US&lc=eng
here
;
54100D:epsg:pro&pageMode=OV&pid=54100D:epsg:pro&cc=US&lc=eng
--- In hp_agilent_equipment@...
, "donblack1au" wrote:
Hello, does anyone have or know of a site where I can get a scam of a
manual for the HP 54001A 1GHz probe or the HP54100D scope it's used in.
It's particularly the probe info I need but the scope would also be
useful too.
Thanks, Don Black.
[Non-text portions of this message have been removed]
[Non-text portions of this message have been removed]
|
Well I got the HP 3457a in today. It was well packaged so the damage the currier tried to do to the box didn't impact anything.
The serial number prefix on the meter starts with 3114A and it's had 34 cal counts. The calibration sticker from '97 says Tektronix on it with the little slash in the x. The meter appears to be spot on to the best of my ability to tell. Everything seams to work and it's clean. The ACV, DCV and current readings are pretty stable. I noticed however that the ohms reading tends to flutter around a bit. I assume this is pretty common for this type of meter. It's stable for 3 digits on ohms. Past that it just jumps about. Increasing the power line count helps a bit, but doesn't solve it. The resistance appears pretty accurate. I have some kelvin test leads on the way.
I'll check the battery out over the weekend. It'll be a little while before I send it off for calibration. I want to have complete confidence in it first. I will order a calibrated 3.000 volt reference just for some sanity checks using Hamon dividers. The meter does however completely agree with my other 3 meters. Yes I only have 4 meters now...ohh wait 5 if you count the DMM on the 2465BDM.
Thanks,
Jeff
toggle quoted message
Show quoted text
On 1/1/2013 4:10 PM, Steve Krull wrote:
Joe, Jeff, and all,
I took a few minutes to pull the covers off my unit. My main controller
is 03457-66511, Rev A. there is also a sticker that says 2749 just aft
of the power switch. I believe that is the ERC code for the assembly.
Mine has the "old" resistors, A11R644 being 17.4K and A11R645 being 13K.
That and the ERC code lead me to believe its the old model controller,
BUT the battery is located on the right side of the board near the
center of the meter, like the new assembly. Just had to add a little
more mystery to the puzzle!
BTW the EEPROM in mine is pn 03457-88810, date code 8824.
As Jeff mentioned in his post, I don't think replacing the resistors is
necessary even if we decide to go to a 3.6v lithium battery.
Happy 2013!
Steve
On 1/1/2013 3:07 PM, J. L. Trantham wrote:
Steve, Jeff, and all,
According to the manual, the 'New Main Controller' was installed
starting at
SN 2538A02954 and later. The Assembly Number, 03457-665xx, etc., is
under
the power transformer and difficult to see but there. Also, regarding the
'new' battery and 'new' resistors, the manual states 'the new parts are on
assembly A11, ERC no. 2850 and greater' which I interpret to mean SN
2850Axxxxx and greater.
The 'New Main Controller' is easy to identify by just looking at where the
battery is located. Looking from the front of the meter, with the top
cover
off and the 'shield' over the main controller off, the 'old'
controller had
the battery to the left side of the board, near the left side of the
meter,
about half way back from the front while the 'new' main controller has the
battery on the right side of the board, near the center of the meter,
about
one fourth of the way back from the front.
So, if I am correct, my SAFT LX-1634 3.0 V battery represents the
'old' 2.9
volt battery although my battery does not state what the chemistry of the
battery is. Therefore, if I can find an exact replacement of the battery,
chemistry and all, I would prefer to just replace the battery rather than
place a new battery and resistors.
Also, the PCB is manufactured so as to provide mounting for a battery with
one positive and one negative pin as well as a battery with one
positive and
two negative pins. Therefore, there may be some other options.
Has anyone found any information specifically about the SAFT LX-1634
battery?
Interestingly, the same SAFT LX-1634 battery is used in the 3478A. I
replaced the 3478A battery with a BR-2/3A several months ago with no
detectable problems so far but the battery backup circuitry is much
simpler
than the 3457A. Also, of note, the BR-2/3A reads 3.397 VDC.
As best I can tell, the only role for R644 and R645 is during the Power On
Reset and the Low Power Reset. It would appear that the Low Power Reset is
the only issue of concern. The 'old' components set a level of about 2.99
VDC at the + input of U636A while the 'new' components set a level of
about
3.46 VDC at the + input of U636A when the UNREG +5 VDC supply drops to 7
VDC. If no changes in resistors were made, the same 3.46 VDC would occur
when the UNREG +5 VDC supply dropped to about 8.1 VDC. I measure 11.18 VDC
on my UNREG +5 VDC supply.
Therefore, I can't see a compelling reason to change the resistors. The
Power On Reset is released later and the Low Power Reset is applied
earlier
if all you do is replace the SAFT LX-1634 with a BR-2/3A. Would this be a
problem? Am I missing something?
Thanks for all the help in 2012 and Happy 2013.
Joe
-----Original Message-----
From: hp_agilent_equipment@... <mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
[mailto:hp_agilent_equipment@... <mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>] On Behalf Of Steve
Sent: Monday, December 31, 2012 7:34 PM
To: hp_agilent_equipment@... <mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
Subject: Re: [hp_agilent_equipment] 3457a on the way
Joe and all,
I will pop the covers off mine again and have a look at the A1 board
revision number and resistor values. Regarding battery voltage, I
noticed a
couple of web sites state that their lithium batteries are "3.6 v nominal,
3.4 volt operating" I assume that's at their rated current so HP may have
been stating operating voltage. I can't imagine that maintaining cal
constants would draw much current though.
Steve
On Dec 31, 2012, at 6:25 PM, "J. L. Trantham" <jltran@... <mailto:jltran%40att.net>
<mailto:jltran%40att.net>
<mailto:jltran%40att.net> > wrote:
Steve, Jeff, and all,
My 2703Axxxxx 3457A also has the SAFT LX 1634, Lithium 3.0V, battery and
it
measures 3.032 VDC. Likewise, I can not see a date code on the battery,
even after removing the A1 Board and looking as far under the
battery as
possible.
My A1 Board is 03457-665xx, REV A, 2703. According to the manual, this is
the 'New Main Controller'. However, on my board, A11R644 is a 17.4 K
resistor and A11R645 is a 13 K resistor which represents the 'old' resistors
and matches the schematic. The 'new' resistors would be 13 K and
12.7 K
respectively, according to the parts list and 'Changes'. The 'old' battery
is listed as a 'Battery 2.9V .9A-HR Li/S-Diox W-Flex', according
to the
Agilent website. Likewise, the Agilent website lists the 'new' battery as
a
'Battery 3V 1.2A-HR Lithium Poly Carbon'. Only the manual parts list lists
the 'new' battery as 3.4 V.
In addition, I don't think I have ever seen a 3.4 V Lithium battery.
So, the question is, when it comes time to replace the battery, what should
be used?
Joe
-----Original Message-----
From: hp_agilent_equipment@...
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
[mailto:hp_agilent_equipment@... <mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com> ] On Behalf Of Steve Krull
Sent: Monday, December 31, 2012 11:20 AM
To: hp_agilent_equipment@...
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
Subject: Re: [hp_agilent_equipment] 3457a on the way
Joe and all,
I just had a quick look inside my 3457A again. Mine has the 3.0 volt
lithium battery, SAFT LX-1634. Obsolete at Agilent, as is the newer
battery. Google was no help either. Mine measures 3.03 volts and there's
no evidence of corrosion so that's good. I couldn't see a date code on
it; probably on the underneath side. I've replaced batteries by
paralleling the existing connections with an appropriate power supply
and then unsoldering the old battery with an isolated-tip iron and
soldering in the new battery. I've also carefully soldered a new battery
in parallel with the old and then clipped out the old one. No problems
with lost data so far.
I'm not sure how the cal numbers increment. I'll have to experiment with
that sometime. Right now I need to repair the 1349D display in my 8757A
so I can get on with a sweeper plug in project, so the volt-nuttery is
on hold for awhile.
Happy New Year to all!
Steve
On 12/30/2012 5:34 PM, J. L. Trantham wrote:
Steve,
Thanks for the data. Mine is also 2703A prefix with REV?:6,0 and
CALNUM?:98. Not a multiple of 34. Would be interesting to see
what the
CALNUM increments by after an Agilent CAL.
I, too, need to look at the battery condition. I have not looked
at the
manual regarding replacing the battery. Has anyone done that without
losing
the CAL Constants?
Joe
-----Original Message-----
From: hp_agilent_equipment@...
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
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<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>] On Behalf Of Steve
Sent: Sunday, December 30, 2012 4:14 PM
To: hp_agilent_equipment@... <mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
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Subject: Re: [hp_agilent_equipment] 3457a on the way
It would be interesting to see if a newer rev is out there. My 3457A
is s.n.
prefix 2703, with rev 6,0 and option 0, CALNUM=34. I wonder if that's a
default number for anything less than a full cal at Agilent? The
last
calibration was at least 6 years ago and performed by what was then
Boeing
Military Airplane Company's metrology lab. I need to open it up and
check
the battery condition.
Steve
On Dec 29, 2012, at 8:08 PM, "J. L. Trantham" <jltran@...
<mailto:jltran%40att.net>
<mailto:jltran%40att.net>
<mailto:jltran%40att.net>
<mailto:jltran%40att.net>
<mailto:jltran%40att.net>
<mailto:jltran%40att.net> > wrote:
If the 'SELF TEST OK' message appears, there is no need to make any
'adjustments'. Just do the 'front panel CAL' if needed.
As I said, I would check it out, assume it is the best
instrument in
your
collection, send it to Agilent for CAL and see what you get.
I would appreciate knowing what 'REV?' and 'OPT?' says when you
get a
chance. 'CALNUM?' would be interesting as well.
In the 3458A, the firmware is in an EPROM (6 EPROM's for the older units)
and can be removed, a socket placed, and easily upgraded by purchasing the
latest pre-programmed EPROM (or EPROM's for the older units) from Agilent.
The only problem is they have a $50 minimum for this $18 part
for the
later
units.
My wife thinks I am going to appear on an episode of 'Hoarders'.
Joe
-----Original Message-----
From: hp_agilent_equipment@...
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
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<mailto:hp_agilent_equipment%40yahoogroups.com>
[mailto:hp_agilent_equipment@... <mailto:hp_agilent_equipment%40yahoogroups.com>
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<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com> ] On Behalf Of Jeff
Machesky
Sent: Saturday, December 29, 2012 8:01 PM
To: hp_agilent_equipment@... <mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
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<mailto:hp_agilent_equipment%40yahoogroups.com>
Subject: Re: [hp_agilent_equipment] 3457a on the way
Wow, lots of replies all of a sudden. I'm already prepping the wife
for
the $200 + price tag of calibration. Funny how when I was single I would
have about $800 in cash in my wallet at all times and now I beg
for 20
bucks, Hmm. Sad part is I make about 4 times the money. In any
event
I've not received to much feedback on the "Self Test OK"
message the
seller had posted. Any comments? I'm too much of a skeptic when it comes
to eBay purchases. It's just a convenient place to purchase such
goods.
Any feedback would be appreciated as to possible pitfalls
regarding
this
device. I like to prep for issues rather then build myself up for
failure. What do they say...it's better to be pleasantly surprised
then
let down.
Thanks,
Jeff
On 12/29/2012 5:40 PM, J. L. Trantham wrote:
According to the manual, there are only two 'adjustments'
that can
be
made
on a 3457A, Input Offset Amplifier adjustment and AC Converter
Frequency
Response, both needed only if there is a 'HARDWARE ERR' failure
message
after 'TEST' is selected and then only if it is a specific
'AUXERR' or
16 or
256 is seen. Otherwise, all the calibrations are done from the
front
panel
with specific inputs from the front panel.
The CALNUM? is incremented by 'several digits' with a 'complete
calibration', one for each calibration point entered, per the
manual.
Interestingly, when I sent my two 3458A's to Agilent for
calibration,
the
CALNUM incremented by only 1. However, when I calibrated one
of them
before
sending it to Agilent, (since I lost the data in the DALLAS
CALRAM
chip that
I was removing) the CALNUM went from 1 to something like 34 or
something. I
don't recall. It seems that if you have the appropriate
software to
run the
complete calibration protocol, it only increments by '1'
instead of
by
all
the data points entered. Such software exists for the 3457A
but I
have
never seen it available 'on theBay'. I suspect Agilent would
have
that
software and equipment to do that calibration and, thus, an
Agilent
calibration may only increment the CALNUM? by 1.
When getting an Agilent calibration of the 3458A, you get 'As
Received' and
'As Completed' data. Very helpful to me in that the only two
points
my
'House CAL' of the one 3458A failed were the two 'midrange' AC
Voltage
values. All else 'PASSED'.
I agree with Dave. If it's HP/Agilent, I prefer Agilent to
do the
CAL.
If
it's Solartron, I prefer AMETEK (Solartron), etc.
I believe that having some 'basic' professionally calibrated
instruments
(DMM's, Noise Sources, Power Sensors, Frequency Standards
(unless
you
have a
GPSDO, CS Standard, etc.) etc.), that you can then use as
'transfer
standards' to do your own 'in house' calibration of other
instruments,
is
very important if you want to set up a reliable workshop.
Of course, you will also need a 'stable' source of the various
signals
that
you will use to be 'measured' by the various 'DUT's', such as
resistance,
voltage, current, frequency, etc. The 3458A is relatively
easy to
calibrate, requiring only 10.000000 VDC, 10000.000 ohms, and
some AC
voltage
at various frequencies, IIRC. I have never CAL'd a 3457A but the
3478A
is a
multi-step process.
This whole thing can become very 'addictive'. Be careful.
Joe
-----Original Message-----
From: hp_agilent_equipment@...
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
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<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>] On Behalf Of
David
Kirkby
Sent: Saturday, December 29, 2012 5:53 PM
To: hp_agilent_equipment@...
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
<mailto:hp_agilent_equipment%40yahoogroups.com>
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Subject: Re: [hp_agilent_equipment] 3457a on the way
On 29 December 2012 20:01, Jeff Machesky <jeff@...
<mailto:jeff%40codebest.com>
<mailto:jeff%40codebest.com>
<mailto:jeff%40codebest.com>
<mailto:jeff%40codebest.com>
<mailto:jeff%40codebest.com>
<mailto:jeff%40codebest.com>
<mailto:jeff%40codebest.com>
<mailto:jeff%40codebest.com> > wrote:
Thanks Dave, I actually have watched those videos. Bit drawn
out
like
most of his videos..but still good. Too much detail is not
always
a
bad
thing. I thought the bit showing the noise on the DVM was a bit silly
when
it
was connected to a DC power supply.
As for the 3457A, if it works I plan on getting it
calibrated by
Agilent
within the year. From what I understand it's about a $200 US
investment.
The meter was last calibrated in '98, so I'll be curious
to see
how
accurate it is when I get it. I think the calibration service you chose might dictate
whether you
get data about the condition when sent.
When I send mine in for cal, I'd like to know what was out
and by
how
much. But I'm not going to pay extra for a calibration service
that
provides that. As far as I'm concerned, if Agilent calibrate it,
then
it is OK. For me personally, it makes no difference whatsoever
if it
has ISO, NIST or whatever calibration. But I'd prefer Agilent to
someone else.
I have calibration certificate here for an Agilent VNA
calibration
kit. It was done by a calibration house in the USA. But from
what I
can gather from reading the documentation, the equipment to
calibrate
them is not available commerically. So it makes me wonder how
a lab
can calibrate a cal kit, when the equipment to do it can't be
bought.
I suspect there is a fairly cosy realationship between some test
equipment dealers and calibration facilities.
I plan on purchasing some
voltage references from the well known site as a basic test
of the
3457A. I may even calibrate it based on those references
if it's
way
out
and later getting it NIST traceable calibrated. I don't know if there are pots in there you can adjust with a
trimmer,
or if it is all done electronically. You might find it is
impossible
to calibrate yourself.
I never had any reason to look inside mine.
Dave
------------------------------------
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Re: Fluke Equipment Group??
I have. NOS manual plus NOS 2170A
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--- In hp_agilent_equipment@..., "David" wrote:
--- In hp_agilent_equipment@..., Dave Hills wrote:
Is there a Fluke Yahoo Group? I am looking for a manual for a 2170A
Digital Thermometer. I have a unit with an inop CPU chip and could use
a schematic.
Thanks,
Dave
ManualsPlus lists the manual in their online catalog at . Be sure to ask whether the manual contains the schematic before ordering.
Cheers,
Dave M
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