[Amps] HV relay

[MIKE DURKIN]

Isnt there current drawn even in standby? Around 1 ma or less.......

If i don't need a relay for HV control and just for Tx inhibit ... then this - becomes much (much) more easy.

Mike
KC7NOA

> From: jim at snip.com
> To: amps at contesting.com
> Date: Fri, 5 Feb 2010 09:46:06 -0800
> Subject: Re: [Amps] HV relay
> 
> On Fri, 5 Feb 2010 06:26:23 -0800, MIKE DURKIN wrote:
> 
> >Im changing my 2 at 3-500Z amp to a single GS-35B and in the spec's 
> >for the tube it states that the warm-up time is Aprox~ 2 minute. 
> >So instead of using  a power SCR in the mains to switch on the HV 
> >bank
> 
> It's OK to put HV on the tube during the warmup time. What you don't 
> want to do is ask it to draw plate current or generate power. A 
> simple delay circuit that locks out TX is all you need. 
> 
> 73,
> 
> Jim K9YC
> 
> 
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