John,
For instance?? Sure I could look up diode data sheets &
spend considerable time reviewing specs.? It sure would be
easier if you (someone) provided some examples.? Then the time
could be spent searching the random parts drawer-bin, or
shopping for one of the examples.
THANKS Eric & everyone else for the info [EDUCATION]!?
Remain WELL & be SAFE!
Mrs. R A
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On 2/9/2024 9:20 AM, John Cunliffe W7ZQ
wrote:
Martin, I agree, the 1N4148 is the diode that is probably in every
junk box and will work. I just thought about trouble shooting I
have done in the past especially on tube receivers and TV audio IF
in the late 60s and 70s (yes I am dating myself here lol) It is
just too easy to touch the wrong pin and suddenly have the full
local oscillator signal going into the probe.For sure strong
enough to generate a 10dbm or more signal at the input of the
TinySA if using the 4148s.I have used the BAT45 many a times in
similar applications,it's low capacity makes it a good candidate
for higher frequencies. However, they are hard to get these days
unless one buys some questionable ones from E-bay. But there are
ample of similar low capacity small signal schottky diodes
available for people to chose from.
John
