On 04/14/2016 12:32 AM, David wrote:
On Wed, 13 Apr 2016 00:03:03 -0500, you wrote:
...
If you are building up something, you probably want a SRD (step
recovery diode) or tunnel diode. But both may be hard to find and
expensive these days.
Step recovery diodes are very similar in construction to varactor
diodes so the later can be used in step recovery applications with
qualification.
I have also seen the 1N4148 used as a step recovery diode when driven
by an avalanche pulser but I do not know if it was qualified.
Check Fig.7 in the datasheet:
http://www.nxp.com/documents/data_sheet/1N4148_1N4448.pdf
A SRD source I just found is:
http://www.adsemi.com/diodes/step_recovery.shtml
Cheers,
Magnus
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