[Amps] HV stabilisation in a triode amp

[Robert B. Bonner]

Ripple on either amplifier will appear in the output.

It's the PY5ASN syndrome, rest and Bless his soul.

The tetrode screen needs to be highly regulated to stabilize the gain of the
amplifer.

BOB DD


-----Original Message-----
From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On
Behalf Of Angel Vilaseca
Sent: Friday, September 22, 2006 5:22 AM
To: amps at contesting.com
Subject: [Amps] HV stabilisation in a triode amp

Hi,

In a tetrode amp, the screen voltage must be well regulated. A lot of 
ripple on the plate voltage does not matter, providing the plate voltage 
is well regulated.

On the other hand, how about a triode amp?  Is there a limit on the 
maximum ripple allowed on the plate voltage?

Since there is no screen to stabilize the average plate current in a 
triode, any ripple on the plate voltage should show on the RF output?


Vy 73

Angel Vilaseca HB9SLV

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