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[AMPS] HA-10 Warrior Parasitic Supressor Inductor Values

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Subject: [AMPS] HA-10 Warrior Parasitic Supressor Inductor Values
From: (2)
Date: Mon, 3 Sep 2001 11:10:51 -0700
>2 wrote:
>> One factor that apparently 
>>increased the Warrior's VHF instability was so-called "neutralization". 
>"So-called" is correct. According to the schematics, it consisted of a
>feedback capacitor from the output end of the pi-tank, back to the
>cathode. This will produce feedback of variable amplitude and phase,
>depending on the settings of the bandswitch and the tuning and loading
>controls. It's hardly surprising that the amp was more liable to
>oscillate at some frequency.
>>Heath did not use neutralization in its subsequent models of GG 
>A wise decision, since it never could possibly do what it was intended
>>Gonset also used neutralization in their 4, 811 amplifier.  
>I'm not familiar with that schematic: would that be real neutralization,
>or more of the bogus kind?
//  The latter,  Ian


-  R. L. Measures, 805.386.3734,AG6K,  

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