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[AMPS] Re: Surge voltage, HV connectors.

To: <amps@contesting.com>
Subject: [AMPS] Re: Surge voltage, HV connectors.
From: 2@vc.net (measures)
Date: Thu, 2 Mar 2000 21:47:12 -0700
>
>Thanks to Tom W8JI, Han SM5KI and Gerard VE5FF for the feedback.
>
>Gerard suggested Kings Electronics 1705-1 and 1707-1 plug/connector 
>pairs. I am in the process of getting some more info from Kings.
>
>After Tom's comments on the Millen I won't persue that any further.
>
>> >Microwave oven transformers have horrible ESR, and make very 
>> >poor linear amplifier power supplies.
>
>Measured:
>2093 VRMS (no load)
>2038 VRMS @ 400 mARMS (projected amplifier load)
>I can't see what's wrong with this.

  It should work ok for SSB.  .  
>
>....... I would prefer 
>not to increase bleeder current (a crude form of shunt regulation) but 
>will do so if I have to.
>
When the tubes draw idling current, you have a bigger bleeder.  

>What I wanted to know is: is this voltage surging really a problem? When I 
>put the key down, the supply will 'collapse' to its working voltage of 2.1 
>kV. If 
>I tune up the amplifier for steady-state clean output (no flat-topping) at 
>2.1 
>kV, will the initial reduction from 2.8 kV at the start of the transmission 
>cause non-linear distortion?

Probably not.  You might have a more linear tune if you tuned up with 
50wpm dits.  
>
........

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