[jg]Thanks. That means I already have some diodes that will
be good enough to make
a 2 diode detector as Ed Lawrence WA5SWD mentioned or as in
for up
to 2.4GHz low power measurements.
Beware the fragility of these devices. The "burnout energy" of the 1N21 is
2 ergs in old money - a mere 200nJ in SI. They are very strictly square law
small signal detectors or mixers.
Craig
