I think the 1N4007 would work fine. They are actually, a HF type diode
die, as well as being used as power rectifiers. Try to get a Motorola
NOS set. (rather than unknown import or unmarked types). The 1N4007
would be the lowest cost as they are quite common. Normally for RF, you
would use a purposely designed PIN type diode, but these die made a
suitable substitute, as they had the PIN structure.
Stuart
K5KVH
David Feldman wrote:
I'm investingating a problem in my Omni VI type 563, possible diode failure
in the antenna T/R path. The low-pass filter board (81592) shows three
diodes in the main receive path from antenna to front end (D6, D7, D8) as
1N4007 rectifier diodes (but they appear to be used for RF switching.)
Is the 1N4007 still the normally used part for service, or should I look for
another device type.
Thanks,
73 Dave WB0GAZ
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