[Amps] Rm resistor

R.Measures r at somis.org
Tue Dec 14 07:11:16 EST 2004


This applies to grid-driven Class AB1 amplifiers when they are being 
neutralized, but not to g-g Class AB2 amplifiers.

On Dec 14, 2004, at 1:16 AM, Steve Thompson wrote:

> On Monday 13 December 2004 20:26, Luca wrote:
>> Hi All
>>
>> For the Pi or PiL  adjustaiment whit the swr analyzer ,it's necessary 
>> to
>> place  a non-inductive resistor egual to the plate impedance,from the 
>> anode
>> tube and the chassis ground. I would like to know if in the PiL case 
>> ,for
>> the best result, it's necessary to place also the non-inductive 
>> resistor
>> egual to RM value ,for example 300 ohm, from the load variable 
>> capacitor to
>> the chassis ground.
> No. The resistor from the anode to ground is the only one you need.
>
> Steve
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>

Richard L. Measures, AG6K, 805.386.3734.  www.somis.org



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