[Amps] Capacitors vs No Capacitors

Carl km1h at jeremy.mv.com
Wed Apr 18 16:34:01 PDT 2012


Wasnt "Rotten Radio" signals part of the 1927 rules changes (-;

Carl
KM1H


----- Original Message ----- 
From: <donroden at hiwaay.net>
To: <amps at contesting.com>
Sent: Wednesday, April 18, 2012 7:15 PM
Subject: [Amps] Capacitors vs No Capacitors


> Thinking out loud.....
>
> A 15KV @ 10 mf in a Broadcast FM transmitter many years ago 
> shorted...........
>
> Nothing to lose, so I disconnected the capacitor  ( no choke )    and
> made rated power with just the bridge rectifier feeding the final tube.
>
>
> No noticable hum on carrier  ( yes, I know .... FM )
> AM noise above FCC specs ??  Probably, but they were back on the air.
>
> But I wonder what would be the results with no capacitor in CW or SSB
> operation....   The voltage wouldn't be as high.... no capacitor to 
> charge.
>
> But what would be the on-air results ... Please no guessing or wives 
> tales.
>
> Add 1 MF ....... what would be the on-air results ?
>
> Would there be a "optimum-minimum" capacitance ?
>
> Without a carrier to " power supply modulate" , Would the lack of
> energy storage  ever be noticed ?
>
> Don W4DNR
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