[ICOM] Icom PW-1 Failures - How To

[Jerry K3BZ]

No, the PW-1's ATU functions even when the PW-1 is off.  Manual, Pg. 14.
73,  Jerry K3BZ
----- Original Message -----
From: <we1x at comcast.net>
To: "ICOM Reflector" <icom at mailman.qth.net>
Sent: Wednesday, June 08, 2005 3:02 PM
Subject: RE: [ICOM] Icom PW-1 Failures - How To


> Yes. But if I recall correctly (which is not all that often) the PW-1's
ATU is not engaged unless the PA stage is on-line.
>
> Harry WE1X
>
> -------------- Original message --------------
>
> > Hi Mike,
> >
> > Agreed. In general terms, the exciter's internal autotuner is not needed
> > when driving a solid-state amplifier. To my knowledge, all solid-state
HF
> > and HF/6m amplifiers have a broadband input circuit which presents a
flat
> > 50-ohm resistive load to the exciter.
> >
> > If matching is required, the amplifier's internal ATU (if fitted) can be
> > left in the signal path when the PA stage is off-line. It will match the
> > load, and provide some additional preselection on receive.
> >
> > http://www.qsl.net/ab4oj/quadra/sshfamp.html
> >
> > Cheers for now, 73,
> > Adam VA7OJ/AB4OJ
> >
> >
> > -----Original Message-----
> > From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net]
On
> > Behalf Of Mike McCarthy, W1NR
> > Sent: 08 June 2005 10:49
> > To: 'ICOM Reflector'
> > Subject: RE: [ICOM] Icom PW-1 Failures - How To
> >
> > Better read the manual. It states NOT to use the rig's internal tuner
when
> > using the PW-1!
> >
> > Mike, W1NR
> >
> >
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> > http://www.Ositis.com/
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