Kevin Custer wrote:
>
>
> Bryan Fields wrote:
>
>> On Monday 19 December 2005 09:55 pm, Kevin Custer wrote:
>>
>>
>>> Yes it can... FM that is...
>>>
>>
>> Well the distortion I am seeing due to the final looks like AM, but
>> then the vco has FM distortion when you tap the board so it's hard to
>> tell. It's a combo of both.
>>
>> How can the Final in this produce FM of it's own, I would think cuz
>> it's a variable cap on the output it would be AM?
>>
>
> That transmitter is extremely microphonic. You are modulating the VCO
> coil no matter where you are tapping in (on) the exciter/cabinet.
>
I bet if you talk loud enough into the side of the board, you can get
fairly clean audio!
Maybe that 's the answer for those things-mount a good speaker next to
the VCO and feed it with rx audio...
--
Jim Barbour
WD8CHL
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