Indeed negative resistance it be
A tetrode with grid and plate potentials so arranged that plate current
decreases when plate potential increases.
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CL -- I doubt, therefore I might be !
"Fred W4JLE" wrote in message
...
Negative resistance comes to mind...
"Caveat Lector" wrote in message
news:IsrGe.22435$HV1.3739@fed1read07...
Anyone remember the dynatron oscillator? Tetrodes me lads tetrodes.
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CL -- I doubt, therefore I ask
"Ham op" wrote in message
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Caveat Lector wrote:
Just out of curousity -- what modern Ham gear uses a Colpitts
oscillator
or a swinging choke ??
Then why ask these questions on a 2005 Ham test ??
Maybe ask about a VCO or a crowbar circuit ??
All of them!!! The reference oscillator in every phase locked loop is
generally a Colpitt's oscillator. I suspect that every oscillator in
the
VCO circuit is also Colpitt's.
By simply asking the question you make the point!!!
The required level of knowledge for a license today is significantly
poorer than 40 or 50 years ago.
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