I just received from Ebay an original manual (mod 25 to 724) with schematics which are completely readable, in the fine print parts too, which is not the case for the one I found on the web. If anybody needs them i'll be more than happy to make copies, in fact I think I'll post a new high res copy on this group. I still have the problem to find out which modifications have occurred in my model which is N 2482, if anybody knows I would be happy to find out, thanks, Bepi
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5342A: sometimes counts, sometimes not
Hello there!
My microwave counter is faulty. Time ago, it stops counting sometimes. Nowadays, it counts sometimes. I'm talking about 500 MHz to 18 GHz input. Always shows zeros in the display.
Anybody knows about this fault? The front end sensor wears? It is a pity, I heard about this model that the N connector input is sensitive above 5 dBm (I always have an attenuator attached) and I don't remember put more power than that, but...
Thanks to everybody who answer me :)
|
Re: still possible to buy manuals from Artek media
I ordered a manual set for an 8018A a few days ago and got the
download link about 3 hours later
On 20/04/2024 04:08, Radu Bogdan Dicher
wrote:
toggle quoted message
Show quoted text
I thought I'd append my recent order to this
conversation - I ordered a manual on their website a few days
ago, so not so much reason for concern yet.
What's the reaction time seen these days to orders?placed
on their?website? I wonder if it'd help if I send an
email?...?
Radu.?
On Mon, Mar 25, 2024 at
2:49?PM Peter Gottlieb < hpnpilot@...>
wrote:
I just bought the CLIPs for my 8562E from
them.?
On Mar 25, 2024, at 4:13?PM, Peter
Hansen <oz1lpr@...>
wrote:
?
Hello Are the business still running so it is possible
to buy manuals there ?
best regards Peter
|
Re: Can anyone recognize this HP Computer? Workstation?
Would you have any use for a pair of Intel Multibuss rackmount cages? There may be some boards in them, I haven't looked at thenm for 20 years.
? It's pretty easy to put modern mass storage on these machines. Keeping them running isn't anywhere near as difficult as people commonly say.
? ? ? ? ? ? ? ? ? ? ? ?-Dave
On April 19, 2024 5:59:38 PM "si_emi_01 via " <wellington=[email protected]> wrote:
> Yes, that was a rack mountable HPIB/RS232/HP-IL System Controller often used in the 1990s for EMI Testing. It was often configured for HPIB Interface with HP-8566 Spectrum Analyzer/RF Preselector/Quasipeak Detector/Plotter hardware.
>
> It doesn't have a lot of memory (8MB Max), and has a 68030 processor.
>
> It runs HP Basic/Rocky Mountain Basic, HP Pascal and an old HPUX Unix.
>
> It came with the HPIB Interface, if you need that, make sure it is there.
>
> The one I have in storage was used for EMI testing with an HP-8566B system. It has the 5.25" 40MB Hard Disk Drive and 4MB of RAM.
>
> The Hard Drive in these uses the old MFM Drive Technology. I would think it is quite old by now needing replacement - like the one in your picture. I don't know if anyone ever tried to use a larger drive in it.
>
> Haven't powered it up for decades.
>
> Ross
>
>
> -----Original Message-----
> From: [email protected] <[email protected]> On Behalf Of Razvan Popescu via
> Sent: Friday, April 19, 2024 2:33 PM
> To: [email protected]
> Subject: [HP-Agilent-Keysight-equipment] Can anyone recognize this HP Computer? Workstation?
>
> Hello,
>
> I was looking for an HP 9000 series 300 to run the HP BASIC software and I found this one in the photo attached.
>
> Does anyone recognize the model number? Looks interesting to have the display integrated to put it in the rack.
>
> I only found logic analyzers from early 90's that have a similar case style.
>
> Thanks,
> Razvan
>
>
>
>
>
>
>
>
>
--
Dave McGuire, AK4HZ
New Kensington, PA
|
Field test 11970 harmonic mixers
Vewr occasionaly at rallies I've come across 11970 series harmaonic mixers at very good prices - assuming that they are working.....
If they are dead they are a very expensive reminder of caveat emptor :)
Is it safe to field test them with a DVM on the diode test setting measuring the IF output port (and being very careful about static discharge)?
Measuring my DVM it produces 2.3V open circuit and has a short circuit current of 0.8 mA. As the mixer maximum imput level is +20 dBm, and I believe a 4:1 impedance transfor in the waveguide input, that would equate to 100 mW into 200 Ohms giving 4.4 V rms and 22 mA rms. Just looking at the numbers it seems to me that it should be OK - BUT I'd really appreciate the input of those with more knowledge about these mixers that I have.
Dave G8KHU
|
Hi I have bought from this seller¡ªthey have all options
Hardy ? ? If you had a name of a serious seller, it would be a lot easier. Indeed, when you search, there are so many... And most of them only show one photo with no description. So it's impossible to know what options are installed.
On the other hand, I once had the experience of buying a tel N5020A (which I didn't buy), even though it was sold from Korea and had ALL the options installed. Worse still: it went up to 26.5 GHz, whereas according to the serial number (according to my friend at Keysight) it was only a 13.5 GHz model. I was ready to buy it... except that when I asked the seller to provide me with a Keysight verification report with the unit, he told me he couldn't send it to Keysight because all the options and modifications were unofficial.
However, the serial number label on the back of the unit did indeed show 526 and all the other options.
So you need to know: if this type of device breaks down, it won't be possible to get it repaired by Keysight.
|
Re: still possible to buy manuals from Artek media
I thought I'd append my recent order to this conversation - I ordered a manual on their website a few days ago, so not so much reason for concern yet. What's the reaction time seen these days to orders?placed on their?website? I wonder if it'd help if I send an email?...? Radu.?
On Mon, Mar 25, 2024 at 2:49?PM Peter Gottlieb < hpnpilot@...> wrote: I just bought the CLIPs for my 8562E from them.? On Mar 25, 2024, at 4:13?PM, Peter Hansen <oz1lpr@...> wrote:
?
Hello Are the business still running so it is possible to buy manuals there ?
best regards Peter
|
HP 3585B Spectrum Analyzer How to start diagnosing "No Horizontal sweep" problem
I just acquired an?HP 3585B Spectrum Analyzer with what the previous owner describes as a "no horizontal sweep" problem. I have downloaded the operating and service manuals for the unit and I am starting to make my way through them to get familiar with the unit.?
If anyone has experience with these units and can give me an idea on how to start troubleshooting this problem it would be a great help. I would like to have some idea on where to start and what to look for before I start tearing it apart. I do a lot of RF and computer repair, but this seems to be a whole different level that what I am used to. So i am reaching out to the members of this forum to acquire some of their expertise.
Any help would be greatly appreciated.
?
|
Re: Can anyone recognize this HP Computer? Workstation?
It's pretty easy to put modern mass storage on these machines. Keeping them running isn't anywhere near as difficult as people commonly say. -Dave On April 19, 2024 5:59:38 PM "si_emi_01 via groups.io" <wellington@...> wrote: Yes, that was a rack mountable HPIB/RS232/HP-IL System Controller often used in the 1990s for EMI Testing. It was often configured for HPIB Interface with HP-8566 Spectrum Analyzer/RF Preselector/Quasipeak Detector/Plotter hardware.
It doesn't have a lot of memory (8MB Max), and has a 68030 processor.
It runs HP Basic/Rocky Mountain Basic, HP Pascal and an old HPUX Unix.
It came with the HPIB Interface, if you need that, make sure it is there.
The one I have in storage was used for EMI testing with an HP-8566B system. It has the 5.25" 40MB Hard Disk Drive and 4MB of RAM.
The Hard Drive in these uses the old MFM Drive Technology. I would think it is quite old by now needing replacement - like the one in your picture. I don't know if anyone ever tried to use a larger drive in it.
Haven't powered it up for decades.
Ross
-----Original Message-----
From: [email protected] <[email protected]> On Behalf Of Razvan Popescu via groups.io
Sent: Friday, April 19, 2024 2:33 PM
To: [email protected]
Subject: [HP-Agilent-Keysight-equipment] Can anyone recognize this HP Computer? Workstation?
Hello,
I was looking for an HP 9000 series 300 to run the HP BASIC software and I found this one in the photo attached.
Does anyone recognize the model number? Looks interesting to have the display integrated to put it in the rack.
I only found logic analyzers from early 90's that have a similar case style.
Thanks,
Razvan
-- Dave McGuire, AK4HZ New Kensington, PA
|
Re: Can anyone recognize this HP Computer? Workstation?
There wasn't enough resolution in the image to know for sure.?? It could be a R/332 (Motorola 68030 processor) or R/382 (Motorola 68040 processor) rack-able workstation.
Both are useful when running HPBASIC/300 or HP_Pascal/300.
They both have an old school touch-screen that use a matrix of LEDs/Optical Sensors to determine user input.? They were designed to be used in more industrial or clean-room environments, in which workers may have gloved hands, so capacitance style touch-screen technology wouldn't work.
I have a R/332 and it works great.
Let me know if you want/need an example of using the touch-screen in HPBASIC programs...
Francis
|
Re: Can anyone recognize this HP Computer? Workstation?
Yes, that was a rack mountable HPIB/RS232/HP-IL System Controller often used in the 1990s for EMI Testing. It was often configured for HPIB Interface with HP-8566 Spectrum Analyzer/RF Preselector/Quasipeak Detector/Plotter hardware.
It doesn't have a lot of memory (8MB Max), and has a 68030 processor.
It runs HP Basic/Rocky Mountain Basic, HP Pascal and an old HPUX Unix.
It came with the HPIB Interface, if you need that, make sure it is there.
The one I have in storage was used for EMI testing with an HP-8566B system. It has the 5.25" 40MB Hard Disk Drive and 4MB of RAM.
The Hard Drive in these uses the old MFM Drive Technology. I would think it is quite old by now needing replacement - like the one in your picture. I don't know if anyone ever tried to use a larger drive in it.
Haven't powered it up for decades.
Ross
toggle quoted message
Show quoted text
-----Original Message----- From: [email protected] < [email protected]> On Behalf Of Razvan Popescu via groups.io Sent: Friday, April 19, 2024 2:33 PM To: [email protected]Subject: [HP-Agilent-Keysight-equipment] Can anyone recognize this HP Computer? Workstation? Hello, I was looking for an HP 9000 series 300 to run the HP BASIC software and I found this one in the photo attached. Does anyone recognize the model number? Looks interesting to have the display integrated to put it in the rack. I only found logic analyzers from early 90's that have a similar case style. Thanks, Razvan
|
Re: HP54501a oscilloscope repair. Bad display
Did you select the correct vendor & partnumber? EPROMs can be identified by a programmer using their electronic ID. The programmer can make use of that info to optimise (= speed up) programming for example. An ID check error in my experience smells like the wrong part/vendor has been selected in the programmer software.
Wilko
|
Re: Agilent E4421B RF generator modulation problem
toggle quoted message
Show quoted text
Hey guys!
I'm having problems with my 4421B, it simply doesn't activate the modulation, I hear the sound from the relay, but it doesn't work. It's like trying to activate modulation, but it doesn't, I've already done some tests:
1) I used the external modulation input and it worked well;
2) The OCXO is in order, 10mhz perfect and signal without imperfections.
One detail, about a year ago, my time base stopped working and I replaced it with the same one (ebay) and everything went back to normal, I don't have the service manual, if someone could make it available it would be of great help.
Note: The signal in blue and the attempt to modulate in FM (dev=100khz)
Hug!
|
Re: Can anyone recognize this HP Computer? Workstation?
They turn up from time to time. They're worth a couple hundred dollars. I scored one on eBay last year, around $200 I think, but with broken keyboard hinges. :-(
-Dave
toggle quoted message
Show quoted text
On 4/19/24 17:06, Razvan Popescu via groups.io wrote: Thanks, Dave!
I found it on HP museum site now. I wonder how rare is this model to get
it today? And how much it would cost?
On 19/04/2024 23:04, Dave McGuire via groups.io wrote:
On 4/19/24 16:33, Razvan Popescu via groups.io wrote:
I was looking for an HP 9000 series 300 to run the HP BASIC software and
I found this one in the photo attached.
Does anyone recognize the model number? Looks interesting to have the
display integrated to put it in the rack.
I only found logic analyzers from early 90's that have a similar case
style. ?? That looks like an R/332, 16MHz 68030.? It's a fairly standard Series
300 machine, but in a nice rackmount chassis with integrated display and
keyboard.? It will run HP RMB (BASIC) etc.
????????? -Dave
--
Dave McGuire, AK4HZ
New Kensington, PA
|
Re: Can anyone recognize this HP Computer? Workstation?
Thanks, Dave!
I found it on HP museum site now. I wonder how rare is this model to get
it today? And how much it would cost?
toggle quoted message
Show quoted text
On 19/04/2024 23:04, Dave McGuire via groups.io wrote: On 4/19/24 16:33, Razvan Popescu via groups.io wrote:
I was looking for an HP 9000 series 300 to run the HP BASIC software and
I found this one in the photo attached.
Does anyone recognize the model number? Looks interesting to have the
display integrated to put it in the rack.
I only found logic analyzers from early 90's that have a similar case
style. ? That looks like an R/332, 16MHz 68030.? It's a fairly standard Series
300 machine, but in a nice rackmount chassis with integrated display and
keyboard.? It will run HP RMB (BASIC) etc.
???????? -Dave
|
Re: HP 8568A YTO UNLOCK repair
On Fri, Apr 19, 2024 at 01:26 PM, <ThirtykayDEV@...> wrote:
Interesting,
So it was your LODA that was faulty in the end or something Elise ??
I know about the "SHIFT +FREE RUN" command to ignore any YTO UNLOCK, but i dont know about the other one, i'll give a look at that, thanks !
Yes there's a service manual available online for the 8568A , at around 10 dollars
===== Shift-Free Run is assigned to another function on 8566B but I see 8568A can disable unlock from keyboard.? On my 8566B LDO coupled output of LODA was not functional, it can be checked with a power meter. Replacing LODA fixed YTO unlock problem.? Ozan
|
Re: Can anyone recognize this HP Computer? Workstation?
On 4/19/24 16:33, Razvan Popescu via groups.io wrote: I was looking for an HP 9000 series 300 to run the HP BASIC software and
I found this one in the photo attached.
Does anyone recognize the model number? Looks interesting to have the
display integrated to put it in the rack.
I only found logic analyzers from early 90's that have a similar case style. That looks like an R/332, 16MHz 68030. It's a fairly standard Series 300 machine, but in a nice rackmount chassis with integrated display and keyboard. It will run HP RMB (BASIC) etc. -Dave -- Dave McGuire, AK4HZ New Kensington, PA
|
If you had a name of a serious seller, it would be a lot easier. Indeed, when you search, there are so many... And most of them only show one photo with no description. So it's impossible to know what options are installed.
On the other hand, I once had the experience of buying a tel N5020A (which I didn't buy), even though it was sold from Korea and had ALL the options installed. Worse still: it went up to 26.5 GHz, whereas according to the serial number (according to my friend at Keysight) it was only a 13.5 GHz model. I was ready to buy it... except that when I asked the seller to provide me with a Keysight verification report with the unit, he told me he couldn't send it to Keysight because all the options and modifications were unofficial.
However, the serial number label on the back of the unit did indeed show 526 and all the other options.
So you need to know: if this type of device breaks down, it won't be possible to get it repaired by Keysight.
|
Can anyone recognize this HP Computer? Workstation?
Hello,
I was looking for an HP 9000 series 300 to run the HP BASIC software and
I found this one in the photo attached.
Does anyone recognize the model number? Looks interesting to have the
display integrated to put it in the rack.
I only found logic analyzers from early 90's that have a similar case style.
Thanks,
Razvan
|
Re: HP 8568A YTO UNLOCK repair
Interesting,
So it was your LODA that was faulty in the end or something Elise ??
I know about the "SHIFT +FREE RUN" command to ignore any YTO UNLOCK, but i dont know about the other one, i'll give a look at that, thanks !
Yes there's a service manual available online for the 8568A , at around 10 dollars
|
RubenRubio
Michael A. Terrell
Dave McGuire
rmb_guru
