[Amps] 12 KW CCS ON 160-15M...USING THE 3CX-6000A7... PART 3

[Rob Atkinson]

I never knew this about the cast mica caps John, this is good to know!
 By dumb luck I've only used them on 75 and 160 m.

73
Rob
K5UJ

>Beware that the black epoxied Mica cylindrical capacitors are largely intended
>for broadcast band use, found in transmitters and antenna tuning units (ATU).
>They also can work in induction heating generators. But having swept them using
>vector impedance meters, at about 5-10 MHz i found many have their first
>internal resonance and become lossy inductors above that freq. Ceramic
>dielectric caps, NPO doorknobs for example, many in parallel, are better for
>HF.