and here is where bias and standby current (class A A/B C) comes
into play :-)
dg9bfc sigi
Am 03.08.2022 um 15:07 schrieb Max via
groups.io:
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Please forgive my ignorance
but I've never understood statements like this.?
"That is because at lower power, the
output impedance of the PA will be different."
Since SSB is all about
audio (no audio, no power) and the average power is about
40% of peak, what happens to the output impedance every time
you speak into the microphone? Power is going to follow the
audio and would be all over the place, from zero to peak
power. How is this any different?
Max KG4PID
On Wednesday, August 3, 2022, 02:45:06 AM CDT, Ashhar
Farhan
<farhanbox@...> wrote:
Many recommend tuning at a lower power. This risky as
well. That is because at lower power, the output
impedance of the PA will be different. Once you are
tuned at QRP level, increasing the power will result in
a mismatch again!?
- f
