Re: hp 83522a 2.4 ghz rf plug for 8350b
Couple
of ways:
?
1) See
how well it acts as a mixer in the frequency range in question.? (This is
what I usually test, since the DUT is usually part of a?mixer
assembly.)
2) Use
a curve tracer with appropriate current limits.
3)
Look up the diode's maximum forward current limit and make sure that your VOM
doesn't exceed it.? Possibly need to disable autoranging on the meter to
make sure.?
?
--
jm
?
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Gleamfollower
?
Any suggestions on how to test a schotsky
diode.
?
Thanks
?
Richard
|
Hi all,
I've got an HP 3469B multimeter that's not behaving as it should - the
display is behaving sensibly, but the values bear little relationship
to the electrical signals applied. Nothing looks brown/smoked inside,
and it has the largest multi-gang rotary switch which could have some
dirty contacts.
Anybody know anything about the insides of these? Do
calibration/service manuals exist? I'll start tracing the circuit and
checking levels but I'd prefer some intelligence before going in blind.
Thanks,
Michael
|
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Need knobs for 3580A spectrum analyzer
I have a good-condition HP 3580A spectrum analyzer with many broken
knobs. All four of the span/resolution/sweep knobs to the right of
the CRT are busted, as well as the input attenuator knob. Since the
scales are part of the knob, not the instrument panel, working with
it is rather annoying.
HP no longer supports this instrument and the knobs are not available
from them. I have tried without success on the net to find surplus
knobs. Can anyone help?
thanks
Charles
|
Good idea for a group, possibly even overdue!
Sometimes useful service manuals are available here.
Richard
|
Re: Difference between 54111D and 54112D
Dave,
Sometimes when I fire up all my equipment, I wish I had a pair of
those hearing protectors that construction workers use.
The whiniest (if such a word) of my equipment is definitely the HP
5370A counter
and it's brother the 5370B. But the loudest is the 8660C.
Once I had to repair the 8660C, and I went deaf before I was through.
Now, add to that the AC unit that keeps the room cool, and
you can imagine what it sounds like in here.
One weird thing happened lately was I purchased a Systron Donner
Time code reader/generator (IRIG-B) and it had a faulty PS.
Well, It was nothing more that a blown cap, but when I fixed it
I realized that is was using a switched PS for the +12V. The
design of the PS made it whine like crazy around 12KHz (or so).
It is sooo annoying!
Anyway, Paypal just informed me that it will be sending you
the amount for the CD.
Many thanks for your comments,
-George
nr1dx@... wrote:
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George
You definitely know the fan is on .....
It is definitely noiser than a tek 7904 , 496 or a 2200
series...
not what I would call objectional per se but far from
silent. I think HP in general likes to move more air than
Tek. Of my two 54111D's one is slightly more noisy than
the other. I also have a big rack mount HP 6.5 digit
precision DVM ( I forget the number) which makes more
noise than the 54111D by 2x sounds like a jet engine
winding up.
Will get that 54111D CD out to you right away...
Dave
On Thu, 04 Sep 2003 13:45:21 -0400
? xaos wrote:
>Hello Dave,
>
>How about this for a coincidence:
>
>I just purchased the 54111D manual on CD from you at
>eBay.
>I figured I'd look the manuals over before I made a
>decision.
>
>Thanks for your input. I was looking into the Tek 11403
>which also has a color display but is is much slower.
>
>The Tek suffers from the same problem as the 54111D,
>namely
>that it cannot be serviced since the schematics were
>never published.
>
>Question: I have a 8660C Signal generator which sounds
>like
>a steam train when I power it up. How is the noise level
>of the 54111D? I see that it has two big fans in the
>back.
>
>73, George H, N2FGX
>
>
>nr1dx@... wrote:
>
>>Other things to consider in owning either of theses
>>scopes
>>I have a love-hate relationship with my (2) 54111D's
>>
>>On the love side...
>>1)They are very easy to use, the menus are well thought
>>out and largely intuitive. a very felxible scope
>>2) The large color screen is a joy to use
>>3) They do lots of cool stuff
>>4) for what you get they are very cheap on Ebay even at
>>$500+
>>
>>On the hate side....
>>1) THEY ARE HEAVY...About 50lbs
>>2) THEY ARE BIG .. 19" wide...24" deep
>>3) They are? for the most part not repairable at the
>>componenet level even if the service manual covered that
>>which it doesn't. Spare boards and input amps are next to
>>impossible to come by.
>>
>>Dave H
>>
>>On Thu, 04 Sep 2003 14:21:20 -0000
>>? "tbfowler100" wrote:
>>>54111D: 500MHz, 2 Ch, 2GS/s max, 8K record length, Color
>>>CRT, Auto
>>>measurments, IEEE-488 interface.? Out of production '94,
>>>out of
>>>support '99.
>>>
>>>54112D: 100MHz, 4 ch., 400MS/s digitizing rate, 9" color
>>>CRT Auto
>>>measurment, GPIB interface.? Out of production '93, out
>>>of
>>>support '99.
>>>
>>>For more detailed info on these and many test
>>>instruments, go to
>>> and search on the model number (e.g. hp
>>>54111D).
>>>
>>>
>>>
>>>
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>>>
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Re: Difference between 54111D and 54112D
George You definitely know the fan is on ..... It is definitely noiser than a tek 7904 , 496 or a 2200 series... not what I would call objectional per se but far from silent. I think HP in general likes to move more air than Tek. Of my two 54111D's one is slightly more noisy than the other. I also have a big rack mount HP 6.5 digit precision DVM ( I forget the number) which makes more noise than the 54111D by 2x sounds like a jet engine winding up. Will get that 54111D CD out to you right away... Dave On Thu, 04 Sep 2003 13:45:21 -0400 xaos <xaos@...> wrote: Hello Dave,
How about this for a coincidence:
I just purchased the 54111D manual on CD from you at eBay.
I figured I'd look the manuals over before I made a decision.
Thanks for your input. I was looking into the Tek 11403
which also has a color display but is is much slower.
The Tek suffers from the same problem as the 54111D, namely
that it cannot be serviced since the schematics were never published.
Question: I have a 8660C Signal generator which sounds like
a steam train when I power it up. How is the noise level
of the 54111D? I see that it has two big fans in the back.
73, George H, N2FGX
nr1dx@... wrote:
Other things to consider in owning either of theses scopes
I have a love-hate relationship with my (2) 54111D's
On the love side...
1)They are very easy to use, the menus are well thought
out and largely intuitive. a very felxible scope
2) The large color screen is a joy to use
3) They do lots of cool stuff
4) for what you get they are very cheap on Ebay even at
$500+
On the hate side....
1) THEY ARE HEAVY...About 50lbs
2) THEY ARE BIG .. 19" wide...24" deep
3) They are for the most part not repairable at the
componenet level even if the service manual covered that
which it doesn't. Spare boards and input amps are next to
impossible to come by.
Dave H
On Thu, 04 Sep 2003 14:21:20 -0000
"tbfowler100" <tfowler@...> wrote:
54111D: 500MHz, 2 Ch, 2GS/s max, 8K record length, Color
CRT, Auto
measurments, IEEE-488 interface. Out of production '94,
out of
support '99.
54112D: 100MHz, 4 ch., 400MS/s digitizing rate, 9" color
CRT Auto
measurment, GPIB interface. Out of production '93, out
of
support '99.
For more detailed info on these and many test
instruments, go to
www.testmart.com and search on the model number (e.g. hp
54111D).
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Re: Difference between 54111D and 54112D
Hello Dave,
How about this for a coincidence:
I just purchased the 54111D manual on CD from you at eBay.
I figured I'd look the manuals over before I made a decision.
Thanks for your input. I was looking into the Tek 11403
which also has a color display but is is much slower.
The Tek suffers from the same problem as the 54111D, namely
that it cannot be serviced since the schematics were never published.
Question: I have a 8660C Signal generator which sounds like
a steam train when I power it up. How is the noise level
of the 54111D? I see that it has two big fans in the back.
73, George H, N2FGX
nr1dx@... wrote:
toggle quoted message
Show quoted text
Other things to consider in owning either of theses scopes
I have a love-hate relationship with my (2) 54111D's
On the love side...
1)They are very easy to use, the menus are well thought
out and largely intuitive. a very felxible scope
2) The large color screen is a joy to use
3) They do lots of cool stuff
4) for what you get they are very cheap on Ebay even at
$500+
On the hate side....
1) THEY ARE HEAVY...About 50lbs
2) THEY ARE BIG .. 19" wide...24" deep
3) They are? for the most part not repairable at the
componenet level even if the service manual covered that
which it doesn't. Spare boards and input amps are next to
impossible to come by.
Dave H
On Thu, 04 Sep 2003 14:21:20 -0000
? "tbfowler100" wrote:
>54111D: 500MHz, 2 Ch, 2GS/s max, 8K record length, Color
>CRT, Auto
>measurments, IEEE-488 interface.? Out of production '94,
>out of
>support '99.
>
>54112D: 100MHz, 4 ch., 400MS/s digitizing rate, 9" color
>CRT Auto
>measurment, GPIB interface.? Out of production '93, out
>of
>support '99.
>
>For more detailed info on these and many test
>instruments, go to
> and search on the model number (e.g. hp
>54111D).
>
>
>
>
>------------------------ Yahoo! Groups Sponsor
>
>To unsubscribe from this group, send an email to:
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Re: Difference between 54111D and 54112D
Other things to consider in owning either of theses scopes I have a love-hate relationship with my (2) 54111D's On the love side... 1)They are very easy to use, the menus are well thought out and largely intuitive. a very felxible scope 2) The large color screen is a joy to use 3) They do lots of cool stuff 4) for what you get they are very cheap on Ebay even at $500+ On the hate side.... 1) THEY ARE HEAVY...About 50lbs 2) THEY ARE BIG .. 19" wide...24" deep 3) They are for the most part not repairable at the componenet level even if the service manual covered that which it doesn't. Spare boards and input amps are next to impossible to come by. Dave H On Thu, 04 Sep 2003 14:21:20 -0000 "tbfowler100" <tfowler@...> wrote: 54111D: 500MHz, 2 Ch, 2GS/s max, 8K record length, Color CRT, Auto measurments, IEEE-488 interface. Out of production '94, out of support '99.
54112D: 100MHz, 4 ch., 400MS/s digitizing rate, 9" color CRT Auto measurment, GPIB interface. Out of production '93, out of support '99.
For more detailed info on these and many test instruments, go to www.testmart.com and search on the model number (e.g. hp 54111D).
------------------------ Yahoo! Groups Sponsor
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Manual for HP 226A Time-Mark Generator
Hi,
First off this is an excellant idea for a group and I wish it much
success, but I guess that really depends on us and how we use it!
I have acquired a HP 226A generator and am looking for a manual
which will permit me to adjust the output. I am not sure how much
variability is available in the design (a schematic would help here)
but the output seems to be very low at the lower periods.
Hard copy, photocopy or best of all pdf would be greatly appreciated!
Thanks,
Mitch
|
Re: hp 83522a 2.4 ghz rf plug for 8350b
--- In hp_agilent_equipment@..., "inert12001" <inertial@j...> wrote: I'm having a problem with the sampler board. I have service manual
but the when I inject a signal in J1 on the board it disappers after the schotky diode which checks ok on my DVM. Anyone have any
experience with this unit.
Thanks
Richard Murray Not usually a good idea to check these diodes with ohmmeters or (especially) DVM diode-test functions. You may have blown the diode. :(
|
Difference between 54111D and 54112D
54111D: 500MHz, 2 Ch, 2GS/s max, 8K record length, Color CRT, Auto
measurments, IEEE-488 interface. Out of production '94, out of
support '99.
54112D: 100MHz, 4 ch., 400MS/s digitizing rate, 9" color CRT Auto
measurment, GPIB interface. Out of production '93, out of
support '99.
For more detailed info on these and many test instruments, go to
www.testmart.com and search on the model number (e.g. hp 54111D).
|
54111d and 54112D difference
Hello everyone,
I am thinking of buying a scope from eBay, and I was
looking at the 54111D and the 54112D.
Does anyone here know the difference between them?
Cheers,
George Hrysanthopoulos, N2FGX
|
hp 83522a 2.4 ghz rf plug for 8350b
I'm having a problem with the sampler board. I have service manual
but the when I inject a signal in J1 on the board it disappers after
the schotky diode which checks ok on my DVM. Anyone have any
experience with this unit.
Thanks
Richard Murray
|
I've posted a file in the Files section of this group containing
information about HP manuals. Please email me with any additional
info you have.
|
New file uploaded to hp_agilent_equipment
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This email message is a notification to let you know that
a file has been uploaded to the Files area of the hp_agilent_equipment
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File : /Manual List.xls
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Description : Information on HP manuals
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Trade-Borrow-Buy-Manuals for HP 54542C, HP 4952A, 53A or 54A
Hello new list!
I need ops , programing and service manuals for the title mentioned
items.
I will trade, buy, rent or paypostage to borrow..etc..what ever works
for you let me know
I have a fair number of HP manuals have access to more plus lots of
Tek stuff.
Dave
|
Schematic for HP 4328A Milliohmmeter
Ladies and Gentlemen:
Welcome to the new hp_agilent_equipment group. As one of our first
posts, I am asking if anyone has a schematic for a HP 4328A
milliohmeter. After serving me for many years, this instrument
went "full scale" and will not respond to inputs on any range.
Any .pdf file would be appreciated to get me back and running again.
Many thanks for your help -- Tom Leedy
|
Re: 3586A Error 3.1 repaired..thanks to Didier
Hi Hank
HP Journal below has 3586A/B/C introductory article
PL Thomas "A programmable selective level meter (wave analyzer)
with synthesized tuning, autoranging, and automatic
calibration",
HEWLETT PACKARD JOURNAL, May, 1980 Vol 31, Number 5
Pages 3 thro 8
Thats from my catalog index.
I cant find all my issues at present (shifted house 2 years ago and much of
my stuff packed to the roof in a garden shed, I cant even open the door
without stuff cascading out!).
If I come across it I will email the pages to you
Best regards
JBEE (John Byers)
toggle quoted message
Show quoted text
----- Original Message ----- From: Henry Kolesnik <kolesnik@...> To: <hp_agilent_equipment@...> Sent: Monday, August 08, 2005 10:34 PM Subject: Re: [hp_agilent_equipment] 3586A Error 3.1 repaired..thanks to Didier John
Thanks for the tip, I'll file it away just in case I ever need to do it on
my 3586C. I'm still trying to find out if HP published an article in their Journal about the 3586 series?
tnx
73
Hank WD5JFR
----- Original Message -----
From: "hpxref" <face1941@...>
To: <hp_agilent_equipment@...>
Sent: Monday, August 08, 2005 1:47 AM
Subject: [hp_agilent_equipment] 3586A Error 3.1 repaired..thanks to Didier
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