On 3/1/2020 5:58 PM, Alex Pummer wrote:
don't forget the oscillator is one amplifier with infinite gain on his
own frequency
73
KJ6UHN
Alex
Actually, the closed loop gain is not infinite, rather it is whatever is
needed to boost thermal noise enough to account for the
RF output level. I will give you that the gain is very high though.
The "oscillator" is a Q multiplier of noise.
The poles are NOT quite on the j omega axis.
This was first explained (AFAIK) by Edson in "Vacumm Tube
Oscillators".
Rick N6RK
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