If you go to the Amps home page you can search the archives back into the
90's for all those answers.
A modest collection of ARRL and W6SAI era E&E Handbooks are always a good
investment.
And then there are several individual web pages to go thru. Some are
excellent and a few good for laughs.
Carl
KM1H
----- Original Message -----
From: "Richard Schmuke" <rdj@wildblue.net>
To: <amps@contesting.com>
Sent: Friday, March 26, 2010 11:08 AM
Subject: Re: [Amps] Why people don't build amps.
>
> A week ago I posted a request for help and/or suggestions on my first amp.
> I
> got very few replies but I am thankful for the replies I received.. This
> is
> a very interesting thread so I thought I would try again. I have a
> mechanical background but lacking in electrical knowledge. What I have
> won't
> be pretty, It seems this "old" amp was built with parts as light duty as
> possible. I have found out with all my "new" parts ( filament transformer,
> bigger relays, and tuned input) I will have to move the power supply out
> of
> the amp. My original email follows----------
>
> Good Day Gentlemen. I have been reading the mail for quite a while. I will
> admit I know nothing. I am putting a different tube in a old amp. I have a
> workable tank circuit and power supply. My first question is on the input
> circuit.
> How do you do the initial set up?
> SWR meter between radio and amp under low power?
> Antenna analyzer with no power at the amp ? Do you need a meter on the
> grid?
> If you have time I would appreciate any words of wisdom. The schematic I
> am
> using for the tube is the Zl1axb 600w amp.
> http://www.raibeam.com/zl1axb/813_amp.html
> It will be used on 20/17/15m . I will consider it a 20m mono band until I
> get the bugs worked out The amp was given to me with a bad tube for work
> done, a SB-230. I have the 813,socket and spare and a new filament
> transformer. I have moved the tank circuit forward 2.5" and have plenty of
> room for the 813. I am retired and trying to use parts on hand. Is there
> somewhere I can read the basic steps of fist light of an amp. I am now
> replacing the basic P/S diodes & caps and relays, installing a new plate
> and
> filament choke in the 30 year old amp.
> Rich, Kd0zz
>
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