[Amps] Tl-922 plate meter protection

[Kees - pa7two]

Better is to use two diodes, crossed,  between the two meter connection points on the back of the meter. Diodes can pick up rf and start generating themselfs...

3Amp/1000 volt is OK.

Vy 73, de Kees - pa7two





> To: as1935 at 012.net.il; Amps at contesting.com
> Date: Wed, 23 Apr 2008 14:27:11 +0000
> From: n0tt1 at juno.com
> Subject: Re: [Amps] Tl-922 plate meter protection
> 
> Aron,
> 
> A diode across the meter will usually work on sensitive
> meters.   Connect the diode's cathode to the negative terminal
> so it will conduct if the voltage across the meter (and
> diode) exceeds about 0.6v.   Experiment to see which diode
> works best with your particular meter and/or meter circuit.
> 
> 73,
> Charlie, N0TT
> 
> 
> On Wed, 23 Apr 2008 15:33:15 +0300 slonim aron <as1935 at 012.net.il>
> writes:
> > Hi
> > Wonder whats the best way to protect the plate meter against
> > damage during "vhf parasitic".
> > Thanks.
> > Aron 4x1fq.
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> > 
> > 
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