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Old 23rd April 2008, 09:06 PM   #1
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Default Charles Hansen's Semiconductor Tester

Hi,

I finally tracked down a copy of Charles Hansen's "Semiconductor Tester" article from Popular Electronics May 1999. The device is a curve tracer which hooks up to a 'scope and looks an easy build given all the parts are still available.

I was curious if anyone had built this and could offer an opinion? Were there any suggested updates or errata for the design?

cheers
Paul
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Old 24th April 2008, 11:28 AM   #2
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Hello,
I found two kind of curve tracer in the market one with own display and other use osciloscope as display. the problem are they are expensive to my wallet I dreaming one day some one can take care to write a program to made a pc control with cheap budget curve tracer
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Old 24th April 2008, 12:13 PM   #3
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Don't know if you've seen this device:

http://www.arrl.org/qex/2006/07/qx7steber.pdf
software is pretty basic but a free download.

If Charlie has no objection's i'll post the schematic and part list for his curve tracer.
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Old 24th April 2008, 09:49 PM   #4
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hello,
already tried it honestly its just a basic unit not enough voltage and facility ?
I think I ask so much for something free
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Old 29th May 2009, 08:51 PM   #5
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I looked to find the original publication of Hansen's Semiconductor curve tracer, but could'n find it anywhere.

I am currently involved in collecting informations to built a curve tracer adaptor for X-Y Oscilloscope.

Please, can someone direct me to Hansen's construction project?

Thanks!
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Old 29th May 2009, 11:15 PM   #6
mjf is offline mjf  Austria
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hello.
if i remember correctly elektor had a transistor curve tracer for oscopes in the nineties..............
greetings..................
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Old 29th May 2009, 11:33 PM   #7
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Erno Borbely published a sophisticated design, iirc.

Fwiw.

Also you can look up the schematic for a B&K (the test equipment company, not the mic) transistor curve tracer that used an external scope. It was useful and fairly simple.

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Old 30th May 2009, 01:35 AM   #8
mlloyd1 is offline mlloyd1  United States
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bear:

thanks, that was a good suggestion!


i'll save some of you some work.
one link is here

mlloyd1
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Old 30th May 2009, 03:58 PM   #9
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bear,

I imagine you are referring to the B&K Precision 501A model. I had the informations about this one.

mlloyd1,

When I click to your link, I am redirected to this thread. I don't know if the link is bad, or if I am not yet out of the "initiation purgatory" period... There is things, like sending PM, that I am not allowed to do at this moment.

Thanks for your inputs, I really appreciate it.
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Old 30th May 2009, 04:06 PM   #10
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Very usefull info.

mmloyd 1,

Link indeed refers to this thread
Can you check again and repost?

Thanks so far.
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