[Amps] filament instant heating query / simple remedy

[Gary Smith]

Want to recall that Collins with the 30S-1 used to beat the drum about fliament voltage.  The user could monitor the voltage on the multi-use meter on the left side of the front panel.

And, the instructions always warned the user to be sure the voltage was right where it was supposed to be.

Gary...wa6fgi




>________________________________
> From: "Gudguyham at aol.com" <Gudguyham at aol.com>
>To: jerry at tr2.com; amps at contesting.com 
>Sent: Sunday, June 17, 2012 8:58 AM
>Subject: Re: [Amps] filament instant heating query / simple remedy
> 
>
>Our 6 meter contest amp which was built around a Perkin Elmer plasma  
>generator has a front panel adjustment for filament voltage.  The meter  reads 
>center scale of 5V with a hash mark about an 1/8" if the needle falls out  of 
>the center hash mark you simply adjust the little knob and center the  
>needle.  Now here is a very expensive piece of commercial equipment and  this is 
>how they handle filament control voltage.  It's not done  automatically.  
>The operator makes the adjustment when necessary.  
>
>
>
>
>In a message dated 6/17/2012 11:15:38 A.M. Eastern Daylight Time,  
>jerry at tr2.com writes:
>
>
>>
>> Just put a resistor in line switched with a  relay!  This is not rocket
>> science!
>>
>*** Nowadays, a  PIC and associated circuitry might be cheaper than a
>resistor and a  relay.  Amazing times we live in.  And yeah, it does get to
>the  point where you're just playing with technology.  But isn't fun  the
>name of the game?
>
>- Jerry  Kaidor
>
>
>
>
>_______________________________________________
>Amps  mailing  list
>Amps at contesting.com
>http://lists.contesting.com/mailman/listinfo/amps
>
>_______________________________________________
>Amps mailing list
>Amps at contesting.com
>http://lists.contesting.com/mailman/listinfo/amps
>
>
>