Author Topic: EG&G (princeton applied reasearch) 5202 Lock-in amplifier repair  (Read 6481 times)

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Offline _Wim_

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Re: EG&G (princeton applied reasearch) 5202 Lock-in amplifier repair
« Reply #25 on: December 14, 2016, 08:15:10 pm »

Thanks! I will for sure try to put them to good use.

Do you have by any chance the service manual for the 5202 unit?

Unfortunately, I only have the 5204 operating and service manual.

Frank
No problem. I will keep on looking. Thanks also for your usefull information. It seems I really underestimated the benefits of some "old" analog gear...
 

Offline SoundTech-LG

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Re: EG&G (princeton applied reasearch) 5202 Lock-in amplifier repair
« Reply #26 on: December 15, 2016, 05:39:28 pm »
PAR, what an interesting company, and the founders as well...

Dicke was also responsible for developing the lock-in amplifier, which is an indispensable tool in the area of applied science and engineering. Some believe[who?] that Robert Dicke deserved a Nobel Prize just for the invention of such a powerful and ubiquitous device. Many of Dicke's experiments capitalize on lock-in in some way or another.[citation needed] However, in an interview with Martin Harwit he claims that even though he is often credited with the invention of the device; he believes he read about it in a review of scientific equipment written by Walter C. Michels, a professor at Bryn Mawr.[15][16]

https://en.wikipedia.org/wiki/Robert_H._Dicke

Now then, if you can find anything on the model 110 selective amplifier/distortion analyzer. GLIA good luck in advance!
 

Offline VintageNut

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Re: EG&G (princeton applied reasearch) 5202 Lock-in amplifier repair
« Reply #27 on: December 15, 2016, 06:03:39 pm »
Another feature of the Lock-In that an FFT often lacks is that a Lock-In has a continuous output. If you require uninterrupted analog output, an FFT solution may not work.
working instruments :Keithley 260,261,2750,7708, 2000 (calibrated), 2015, 236, 237, 238, 147, 220,  Rigol DG1032  PAR Model 128 Lock-In amplifier, Fluke 332A, Gen Res 4107 KVD, 4107D KVD, Fluke 731B X2 (calibrated), Fluke 5450A (calibrated)
 

Offline TerraHertz

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Re: EG&G (princeton applied reasearch) 5202 Lock-in amplifier repair
« Reply #28 on: December 16, 2016, 11:57:07 pm »
Now I'm starting to feel embarrassed about leaving mine sitting on a shelf since I got it. Can anyone point to a text on the use  of lock-in amplifiers in general? And the 128A in particular, if there's anything.
(Yes, I'll google too, Just thought I'd ask, as I prefer old printed text books, and they tend to not show up in electronic searches.)
Collecting old scopes, logic analyzers, and unfinished projects. http://everist.org
 

Offline VintageNut

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Re: EG&G (princeton applied reasearch) 5202 Lock-in amplifier repair
« Reply #29 on: December 17, 2016, 08:29:07 pm »
I just uploaded 128A combined operator and service manual to K04BB. The file is too large for this site.
working instruments :Keithley 260,261,2750,7708, 2000 (calibrated), 2015, 236, 237, 238, 147, 220,  Rigol DG1032  PAR Model 128 Lock-In amplifier, Fluke 332A, Gen Res 4107 KVD, 4107D KVD, Fluke 731B X2 (calibrated), Fluke 5450A (calibrated)
 

Offline TerraHertz

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Re: EG&G (princeton applied reasearch) 5202 Lock-in amplifier repair
« Reply #30 on: December 18, 2016, 10:04:01 am »
I just uploaded 128A combined operator and service manual to K04BB. The file is too large for this site.


http://www.ko4bb.com/getsimple/index.php?id=manuals&dir=07_Recent_Uploads

Oh there it is. Not available for download yet.
I notice they say that manual is 7.3MB.
The one I already have is 7,397KB. I wonder if it's the same? Probably is. Does the first PDF page look like the attached image?
That's from the one I have, which is a really bad quality scan. All the usual faults, including stuffed up foldout schematics, pages so skew there's text missing, rooted images, etc. Yet another example of why I laugh when people say "all the old paper manuals are scanned and online now."
No, they are f-ing not.
Collecting old scopes, logic analyzers, and unfinished projects. http://everist.org
 

Offline VintageNut

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Re: EG&G (princeton applied reasearch) 5202 Lock-in amplifier repair
« Reply #31 on: December 18, 2016, 04:11:47 pm »
Yes exactly the same front page.


I just uploaded 128A combined operator and service manual to K04BB. The file is too large for this site.


http://www.ko4bb.com/getsimple/index.php?id=manuals&dir=07_Recent_Uploads

Oh there it is. Not available for download yet.
I notice they say that manual is 7.3MB.
The one I already have is 7,397KB. I wonder if it's the same? Probably is. Does the first PDF page look like the attached image?
That's from the one I have, which is a really bad quality scan. All the usual faults, including stuffed up foldout schematics, pages so skew there's text missing, rooted images, etc. Yet another example of why I laugh when people say "all the old paper manuals are scanned and online now."
No, they are f-ing not.
working instruments :Keithley 260,261,2750,7708, 2000 (calibrated), 2015, 236, 237, 238, 147, 220,  Rigol DG1032  PAR Model 128 Lock-In amplifier, Fluke 332A, Gen Res 4107 KVD, 4107D KVD, Fluke 731B X2 (calibrated), Fluke 5450A (calibrated)
 

Offline CMPhysicist

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Re: EG&G (princeton applied reasearch) 5202 Lock-in amplifier repair
« Reply #32 on: November 30, 2018, 05:26:11 pm »
I found this topic while looking for the 5202 Manual. I received the manual after contacting the company (they were very helpful). I wanted to let anyone looking for it know that if you call the company they'll be able to email you the manual.
 


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