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Old 20th December 2012, 06:43 PM   #51
RNMarsh is offline RNMarsh  United States
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One of the main reasons for me to Not use a PC when testing is because I need the PC for other things. Often I need a scope, generator, ac/dc voltmeter, and sim to run at the same time.... Switching back and forth to use my PC for a specific piece of test equipment isnt practical for me. But, for a Curve Tracer, maybe I could use the PC version because that is often used before going to prototype stage.
One of the things I use my bench curve tracer for is to test two devices at the same time for comparison and for matching them. The unit I use can overlay, on the screen display, both devices simultaneously. A very useful feature. [model CA4810A -- China] Thx-RNMarsh

Last edited by RNMarsh; 20th December 2012 at 06:47 PM.
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Old 20th December 2012, 07:00 PM   #52
RNMarsh is offline RNMarsh  United States
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Quote:
Originally Posted by richiem View Post
I use an old Leader LTC-905 and, connected to my Tek 7603 scope, it works fine for most of the things I want it to do; there are several other good old units that show up from time to time as well, including some from Heathkit and B+K.

Yes the PC is very convenient, but the old analog stuff still works well. I paid $90 I think for the Leader....
Another is the TEK 7CT1N plug-in for any 7000 series TEK scope. Converts the scope into a curve tracer. Usually more than $90. -RNMarsh
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Old 23rd December 2012, 02:04 AM   #53
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PCs are almost free these days... go for it!
buy another dedicated to testing or one test hardware adapter!

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Old 23rd December 2012, 11:51 AM   #54
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Quote:
Originally Posted by bear View Post
PCs are almost free these days...
I bought a very nice refurb'd pc with Win7 Professional and Windows Office Pro for $200, or less than the cost of the software. It came from a guy who repairs them for schools and had the Microsoft boxes. I've taught it to talk to the HP3577a via the HP-IB.

Only problem with a PC near or on your workstation is the RFI from the monitor.
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Old 25th December 2012, 03:58 PM   #55
RNMarsh is offline RNMarsh  United States
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One could have a PC set up to generate signals for a source. Another PC running scope software to monitor waveform; another to measure the THD with FFT etc etc. Dont have enought room/space on my work space for all those PC- instruments! OTOH, same issue with hardware instruments. But, they are shielded for RFI. Pick and choose. -Thx RNMarsh
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Old 25th December 2012, 05:45 PM   #56
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RN, don't get carried away...
Keep it simple.
ONE will do a lot of work.

If you have a local "electronics recycler" around, P4 machines are virtually free... they have literally piles of them. There are some small format machines too...

But a fellow like you I would expect to have ample workspace!
I hope yours does not look like mine, all piled up with "goodies"!!



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Old 27th December 2012, 12:40 AM   #57
RNMarsh is offline RNMarsh  United States
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Quote:
Originally Posted by bear View Post
RN, don't get carried away...
Keep it simple.
ONE will do a lot of work.

If you have a local "electronics recycler" around, P4 machines are virtually free... they have literally piles of them. There are some small format machines too...

But a fellow like you I would expect to have ample workspace!
I hope yours does not look like mine, all piled up with "goodies"!!



_-_-bear
I havent run out of work space, yet. Though I do have to Purge every so often :-)
-RNMarsh
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Old 29th December 2012, 12:00 AM   #58
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Why not DIY? Google it and find a design you like. I have built several types from lissajous (huntrons) to actual curve tracers like the teks. I also bought a sprague jud williams curve tracer that hooks up to a o-scope. It works great. Got mine off ebay for less than 50US. Good luck!
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Old 6th November 2013, 05:53 PM   #59
Sk8Ter is offline Sk8Ter  United States
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Default Tek OS-245

Hey Guys I have not used the XY feature on this ol OS-245 mainframe and cannot figure out how to use it ...the manual that i have is for the non military version but is the same unit..

can anyone help and explain how to use the XY on this unit..

Thank you

Lawrence
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Old 6th November 2013, 06:11 PM   #60
richiem is offline richiem  United States
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@Sk8Ter -- don't know the OS-245 -- what is the non-military version? Is this a Tek or HP or Lavoie or Hickock or ????
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