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[Amps] Output Safety Choke Value

To: <amps@contesting.com>
Subject: [Amps] Output Safety Choke Value
From: 2@vc.net (Rich)
Date: Fri, 15 Nov 2002 08:50:21 -0800
>Hi Rich,
>
>You told me once in the past, but I can't find the reply
>Email.  What is the resistor value you use or the 
>series string total...? 
>
3, 100k, 3W for 300k-ohms total.  They will handle 500v each, which is 
1500v which =s 22 out @ 50-ohms.

>thanks
>skipp
>
>On Fri, 15 Nov 2002 00:42:18 -0800 Rich <2@vc.net> writes:
>> 50uH has the advantage of no resonances below c. 40MHz.  2.5mH has a 
>> plethora of resonances from 1,8 - 30 MHz.  For the tetrode amplifier 
>> 
>> shown on my Website, I used three 500V resistors in series to bleed 
>> the 
>> charge off of the loading C.  The wonderful thing about resistors is 
>> 
>> that, unlike chokes, they don't have pesky resonances.  
>> 
>> >
>> >Whats the current thinking on the output safety choke value. I have 
>> seen 
>> >everything from 50uh to 2.5mh. What is the criteria for selecting 
>> the 
>> >correct value.
>> >
>> >Thanks
>> >Greg


-  Rich..., 805.386.3734, www.vcnet.com/measures.  


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