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[AMPS] AL 1200 operation question

To: <amps@contesting.com>
Subject: [AMPS] AL 1200 operation question
From: measures@vc.net (Rich Measures)
Date: Tue, 11 Nov 97 08:34:23 -0800
>> From:          Gary Myers <gmyers@cetlink.net>
>
>> I tried three different meters including a Bird! I did use the internal
>> meters for input power.
>
>OK, then the range of the estimate you made is probably as I 
>posted. So you are in line with what Carl and I measure.
>
>> The only thing that bothers me unless the mod
>> changed things, is the engineer from the factory agreed with the numbers
>> I gave him!
>
>I wonder who that was, and why he didn't make himself clear? Maybe he 
>didn't know the answer?
>
>> This was after several calls and lots of tries tuning. I
>> have asked several times since then (over 10 years ago) if they had
>> changed the design to improve the efficiency but have never gotten a
>> decent answer.
>
>Maybe that was me ten years ago, in a stupid moment. ;-) I 
>worked there back then.
>
>In about 1985 a mod was added to neutralize the PA, that moved max 
>output into the dip and improved things somewhat.
>
Mr. Rauch:  Was the G-G amplifier neutralized at the operating frequency 
or at the anode-resonance frequency?
thanks
Rich---

R. L. Measures, 805-386-3734, AG6K   


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