[Amps] Need for bias switch (CW/SSB)

Kim Elmore cw_de_n5op at sbcglobal.net
Wed Jan 13 15:41:52 EST 2016


I don't think this is true. Class C will generate terrible key clicks because it won't preserve the keying envelope.

Kim N5OP

"People that make music together cannot be enemies, at least as long as the music lasts." -- Paul Hindemith

> On Jan 12, 2016, at 09:24, Mike Feher <n4fs at eozinc.com> wrote:
> 
> In CW it can run Class C, but for SSB it has to be linear. 73 - Mike 
> 
> Mike B. Feher, N4FS
> 89 Arnold Blvd.
> Howell, NJ, 07731
> 732-886-5960 
> 
> 
> -----Original Message-----
> From: Amps [mailto:amps-bounces at contesting.com] On Behalf Of Charlie
> Sent: Monday, January 11, 2016 1:17 PM
> To: amps at contesting.com
> Subject: [Amps] Need for bias switch (CW/SSB)
> 
> Folks-
> 
> I am putting a 8877 amp together. I was wondering why  some amps have a
> "CW/SSB" switch.
> Assuming the power supply can handle cw key down, other than higher
> efficiency, what other reason could there be for this switch?
> 
> Thanks!
> 
> Charlie N6CFH
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