[ICOM] Icom PW-1 Failures - How To

[we1x at comcast.net]

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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