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P-JFET pass transistor
P-JFET pass transistor
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Old 13th December 2003, 05:00 PM   #1
borges is offline borges  Norway
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Default P-JFET pass transistor

Anyone familiar with the 2SJ74 P-JFET?

To my great annoyance, I found that Elfa (Scandinavian supplier) doesn't have a single P-JFET anymore. I did however find a few transistors in a drawer that I believe are 2SJ74s. They are marked "J74 GR5G" in an ordinary "D" 3-pin hole mount package.

I planned to use it in a common-gate configuration to cascode the output of a PMOS current generator (PCM1794), which I guess should see a DC voltage at its output.

As you probably guessed by now, I'll build a DAC with passive current-to-voltage conversions. Experiences, anyone?

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Old 13th December 2003, 06:46 PM   #2
johnferrier is offline johnferrier  United States
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Old 14th December 2003, 07:01 AM   #3
peranders is offline peranders  Sweden
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P-JFET pass transistor
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