Ian White GM3SEK wrote:
> Andy GD0TEP wrote:
>
>> Hi to the group,
>>
>> I plan on further modification to my GS35b amplifier, namely, to build a
>> remote PSU.
>>
>> My question is this:
>>
>> What is the safest way to do this?
>>
>> With just the high volts transformer remote, Is it best to run a supply from
>> the RF deck to control it?
>>
>> Do I need to think of some sort of electrical interlock??
>>
>> How should I go about connecting the HV supply?
>>
>>
>
> Well, you could always try Radcom! The March issue (arriving any day
> now) winds up a three-part series on exactly this topic.
>
> Unfortunately the articles are only accessible to RSGB members, but
> there are further links at the 'In Practice' URL below, including a link
> to Mark K5AM.
>
> I strongly agree with Rick K2XT about using the same multi-way connector
> for ground, B-minus and the control line that energizes the HV mains
> relay. This ensures that HV cannot appear unless the supply also has its
> B-minus and safety ground returns.
>
> For remote HV supplies I am *strongly* recommending coaxial HV
> connectors which again guarantee a safety ground.
>
>
>
I believe one of the necessities, it if the HV line becomes disconnected
the PS shuts down. Actually I'd want the HV to be "crowbarred" to
ground as soon as the connection is broken.
73
Roger (K8RI)
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