"Paul Burridge" a écrit dans le
message de news
Hi chaps,

Is there a way of determining what basically amounts to
S-parameters
for BJTs without resorting to a hard-to-get VNA? Some way of
doing the
job just with the more usual test equipment you have around?
(scope/sig-gen etc.)

p.
--

"What is now proved was once only imagin'd." - William Blake,
1793.
You can use a Vector Voltmeter like the HP8405A (up to 1300 MHz),
and a signal generator. The test will be done on a single
frequency but the 8405 support some low manually sweep of the
frequency to cover the bandwith you test.
A 8405 can be found at cheap prices and is cheapest than a VNA.