[R-390] Solid State rectifiers vs Tubes

Norman Ryan [email protected]
Fri, 20 Sep 2002 20:25:54 -0400


Hello, Ken,

Interesting that solid state rectifiers are noisy-- never ocurred to me.

What capacitance disk ceramics would you use across, say, a pair of SS
rectifiers replacing the 26Z5W's?

73 de Norman KG4SWM


Kenneth G. Gordon wrote in part:

> SS rectifiers cut off so sharply that they
> generate a goodly amount of noise, kind of like a spark-gap. I
> ALWAYS bypass for RF any I install. Disk ceramic caps both
> "across" every diode, and sometimes, depending on the noise
> problems I have with them, from each end to ground.