> Call ComSpec tech support. They will tell you how to
> do it the right way.
Unless there is some place better that I don't see in
the ts-32 circuit... the encode mute method I mentioned
(as shown below) is a "right way".
> They told me but, I forgot or lost the paper that
> I wrote it down on.
> "Coy Hilton" <[EMAIL PROTECTED]> wrote:
> ACOY
Bad Coy..! No soup for you..!
:-)
cheers,
skipp
>
> > "skipp025" <skipp025 at yahoo.com> wrote:
> >
> > Hi Joe,
> >
> > > Joe <k1ike_mail@> wrote:
> > > I decided to try the method someone suggested for
> > > keying the repeater transmitter encode PL on and
> > > off with active COS.
> >
> > A very popular function to have working when using
> > remote IRLP or Echolink link radios.
> >
> > > I switched the ground connection on and off to key
> > > the TS-32 PL deck.
> >
> > Not a good practice...
> >
> > > This works, except that when the tone turns off
> > > I get a sound that is best described as "squeege"
> > > as it shuts off. I assume this is the oscillator
> > > loosing voltage and the tone changing frequency.
> > > Anybody else have this problem?
> >
> > There actually are/were tone burst circuits, which
> > depended on the above mentioned operation. I've got
> > some data sheets and circuit diagrams for them in
> > my files.
> >
> > > I'm about to just go back to switching the PL
> > > audio line and leaving the TS-32 on all the
> > > time..
> > > 73, Joe, K1ike
> >
> > Better to just leave power applied and mute the
> > encoder output using a portion of low pass filter
> > U3 circuit. Use a small fet like the 2N7000 or
> > the same VN10KM (also VN10LP) (same fet, different
> > number) with a low on-resistance to mute the audio
> > output line to ground at some place like the junction
> > of U3A parts R35-C21 - or the input to the U3A filter
> > atthe junction of parts R26-R27 & C20.
> >
> > Ground one of the mentioned locations when cos changes
> > and the encoder output should halt.
> >
> > cheers,
> > skipp
> >
>
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