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RE: RE: sidebands of CW signals




No.  Werner Haas was a careful and clever
designer.  There is adequate filtering following
the final amplifier.

Bob

-----Original Message-----
From: owner-AMSAT-BB@AMSAT.Org [mailto:owner-AMSAT-BB@AMSAT.Org]On
Behalf Of Russ Renaud
Sent: Wednesday, July 30, 2003 15:19
To: amsat-bb@AMSAT.Org
Subject: [amsat-bb] RE: sidebands of CW signals 


Bob;

Is the OOB out of band a problem?  Could HELAPS be
used on a satellite where the linear transponder is a
secondary payload, as would be the case in the launch
opportunity that WB4APR recently came up with?

Just curious.

73 de va3rr/aa8lu


>High Efficiency Linear Amplification by Parametric
>Synthesis or
>HELAPS as it is called by its inventor, Karl Meinzer,
>does not
>produce the world's most linear transmitter.  In our
>case the
>IMD is acceptable but definitely present

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