[Elecraft] K3 AFSK TX Filter

[Ed Muns]

The K3 AFSK TX filter is a very tight filter around the two RTTY tones,
which blocks all other frequencies in the passband.  Are you intending to
transmit something other than RTTY when the blocking occurs?

Ed W0YK 

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Ed G
Sent: 24 February, 2019 10:41
To: elecraft at mailman.qth.net
Subject: [Elecraft] K3 AFSK TX Filter

After switching on the AFSK TX filter in the CONFIG menu, I find that the
filter essentially blocks all the soundcard audio from being transmitted by
the K3, so that I have no output with the filter switched on. Line In gain
settings are correct per recent suggestions by Joe, W4TV, and all other K3
settings are proper. When I turn off the AFSK TX filter, the K3 returns to
operating normally in AFSK Data mode, with full power output.  I can leave
the filter out but am wondering why it is blocking the audio? I am using
MMTTY, so perhaps it is a setup issue within that program?
--Ed-


Sent from Mail for Windows 10




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