[Amps] Clean -vs- Unclean

Gary Schafer garyschafer at comcast.net
Mon Jan 9 11:18:05 EST 2006


Seems kind of curious that the difference he talks about is 6db. Maybe 
he is using PEP as a reference and the others are using one tone of a 
two tone test?

73
Gary  K4FMX

HAROLD B MANDEL wrote:
> This question concerns signal cleanliness.
> 
> A recent thread talks about unclean signals
> from poor amplifier construction.
> 
> As an aside, talking with one of the commercial
> manufacturers earlier, I was told that his products
> are -49dB down, as opposed to others that were
> -43dB down.
> 
> What specific components lead to a betterment
> of this parameter?
> 
> In a simple triode, running GG, does the choice
> of value of the plate blocker, padder caps and
> tune/load capacitors matter?
> 
> Thanks,
> 
> Hal
> W4HBM
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