[Elecraft] K2 Muting

[S55M]

Searched a bit on the net and found this:

Daiwa CS-201 two port switch has 50dB of isolation between ports on 300MHz
(HF should be better), and as stated, unused ports are grounded .


Ok, now i will stop :)

Adi



----- Original Message -----
From: "S55M" <s55m at siol.com>
To: "S55M" <s55m at siol.com>; "R March" <n7ua at ix.netcom.com>;
<elecraft at mailman.qth.net>
Sent: Tuesday, November 15, 2005 12:26 AM
Subject: Re: [Elecraft] K2 Muting


> And if u have a switch, wich shorts unused port to ground it should be
even
> better :)))
>
>
>
> > Switch the RX of unused radio to dummy load when transmitting with the
> other
> > one.
> > If you want to do it "perfect" , you can use low power coax relays
(cx120
> or
> > something smaller it depends on PWR u use) or better , transfer relays.
> > If u use high isolation switch between the two radios and one antenna it
> > should be enough :)
> > 100W is +50dBm and if u have a switch (manual or coaxial) with at least
> 60dB
> > of isolation it should not harm the other radio (-10dbm on ant port or
> > 0,1mW).
> > If u r using 5W QRP even better :)
> >
> >
> > 73's
> > Adi
> > S55M
> > 9A8WW
> >
> >
> > ----- Original Message -----
> > From: "R March" <n7ua at ix.netcom.com>
> > To: <elecraft at mailman.qth.net>
> > Sent: Tuesday, November 15, 2005 12:08 AM
> > Subject: [Elecraft] K2 Muting
> >
> >
> > > I want to switch between a K2 and another XCVR.  When I am
transmitting
> on
> > > the other XCVR, the K2 should be muted.  Can someone enlighten me as
to
> > how
> > > best to mute the K2 (other than keying the transmit line)?  Thanks,
Bob
> > > N7UA
> > >
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