Amps
[Top] [All Lists]

Re: [Amps] Acceptable ripple on high voltage plate power supply intetrod

To: John Lyles <jtml@losalamos.com>
Subject: Re: [Amps] Acceptable ripple on high voltage plate power supply intetrode amplifiers
From: Lukasz <sp4it.mail@gmail.com>
Date: Sat, 21 Dec 2024 15:09:11 +0100
List-post: <mailto:amps@contesting.com>
On Sat, 21 Dec 2024, 01:52 John Lyles, <jtml@losalamos.com> wrote:

> According to Pappenfus, Bruene and Schoenike in their 1964 textbook "SSB
> Principles and Circuits" the ripple modulation on SSB is typically 15-20 dB
> lower than the % ripple on the plate DC power for a linear RF amplifier
> using tetrode.


Very interesting. I'll check this book out too.


Only during the peak power excursions where plate voltage gets close to
> screen voltage, and the tube deviates from constant current characteristics
> does ripple modulate the RF more directly. I am not sure how it translates
> to grounded grid triode operation.


This amplifier is grid driven.

73,
Łukasz - SP4IT




>
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
<Prev in Thread] Current Thread [Next in Thread>