Joe Subich, W4TV wrote:
Still, the FM filer response SHOULD be down some 70 or 80 dB
+/- 30 KHz from the center. That would be more than enough for
Although probably still well down the skirts, you have to subtract the
maximum modulating frequency from this.
most purposes - nobody is
(E.L)
Sent: Monday, June 30, 2008 3:15 AM
To: elecraft@mailman.qth.net
Subject: Re: [K3] [Elecraft] Transmit AM through FM Filter?
Joe Subich, W4TV wrote:
Still, the FM filer response SHOULD be down some 70 or 80 dB
+/- 30 KHz from the center. That would be more than enough
Dan Atchison wrote:
Yeah, I know, it's only $125, but I'm a cheapskate.
73,
Dan -- N3ND
It is not only $125. It is $125. This is a lot of money for something
essentially unnecessary to you. That $125 could be much more usefully spent
on a better CW filter or if you do not need a
AM through FM Filter?
Dan Atchison wrote:
Yeah, I know, it's only $125, but I'm a cheapskate.
73,
Dan -- N3ND
It is not only $125. It is $125. This is a lot of money for
something essentially unnecessary to you. That $125 could be
much more usefully spent
Of course, the FM filter can be used for AM transmit. All you need to do is
tell the radio it is an AM filter. It will not know otherwise.
There is really no reason not to transmit wide band AM, just like there is
no reason not to transmit wideband SSB. The modes are perfectly legal in
most of
We on this reflector have often beat to death the American FCC Amateur
service rules about bandwidth since they give no numbers about what is
acceptable as long as the emission stays within the Amateur band. Unlike
commercial frequencies, where specific technical standards avoid co-channel
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