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Re: Diode Array

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On 7/18/2017 8:29 AM, xmacleod@gmail.com wrote:
> I'm looking for a replacement for the  CA3039 diode array, which has
> been successfully used in a precision demodulator circuit operating
> up to 1 MHz. The part has been obsoleted by Intersil.  The important
> characteristics are low leakage current (less than 0.1 nA at 25C with
> 1 V reverse bias) and close matching of forward voltage drops. Also,
> the forward voltage drop with 1 nA or less current needs to be 200 mV
> or greater.  Most common diodes turn on much earlier. The operating
> range is from 20C to 60C. Thank you for your help.
> 

You must have measured the above parameters yourself. The datasheet does 
not even get close to your requirements. How do you expect people to 
help you? I don't think anyone will purchase a bunch of diodes and 
parametertize them for you.

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Diode Array xmacleod@gmail.com - 2017-07-18 06:29 -0700
  Re: Diode Array John S <Sophi.2@invalid.org> - 2017-07-18 11:24 -0500
  Re: Diode Array George Herold <gherold@teachspin.com> - 2017-07-18 09:45 -0700
  Re: Diode Array Jeff Liebermann <jeffl@cruzio.com> - 2017-07-18 10:01 -0700
  Diode Array pcdhobbs@gmail.com - 2017-07-18 11:17 -0700
  Re: Diode Array whit3rd <whit3rd@gmail.com> - 2017-07-18 22:20 -0700
    Re: Diode Array xmacleod@gmail.com - 2017-07-19 06:05 -0700
      Re: Diode Array George Herold <gherold@teachspin.com> - 2017-07-19 06:22 -0700
      Re: Diode Array Winfield Hill <hill@rowland.harvard.edu> - 2017-07-19 09:07 -0700
        Re: Diode Array Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2017-07-19 21:12 +0300

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