[Amps] small signal diodes

Gary Schafer garyschafer at comcast.net
Wed Apr 5 11:21:20 EDT 2006

1N5711 if I remember right, are the ones some have used in the 8405 probes.

Gary  K4FMX

> -----Original Message-----
> From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On
> Behalf Of Dan Sawyer
> Sent: Wednesday, April 05, 2006 10:04 AM
> To: amps
> Subject: [Amps] small signal diodes
> All,
> I have been repairing an 8405a and have noticed something about the
> probe sampling diodes. The HP sampling diodes have a peculiar curve that
> other diodes do not seem to have. They have a very sharp 'knee' and a
> very steep rise. Other diodes do not have that sharp knee or near
> vertical rise. In looking for a replacement, what type of diodes would
> have this characteristic?
> Thanks,
> Dan
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