[Amps] GS-35B tuned input
KD7QAE
KD7QAE at ARRL.NET
Mon Nov 21 22:45:08 EST 2005
This is the design I'm going with:
I am driving 2 x GS35b for max legal limit with plenty of tube life.
Planning on input power in the range of 100W. Here are my values
obtained with ELSIE v2.01:
Cin 0.01uF
Zin 50
Zout 25
160m 1600p 2.7u 1200p
80m 1000p 1.5u 1000p
40m 470p 0.72u 270p
20m 270p 0.42u 270p
17/15m 180p 0.27u 100p
10m 150p 0.19u 130p
1600p = 2x500p SM fixed + ARCO 4611
1200p = 500p SM fixed + ARCO 4611
1000p = 500p SM fixed + ARCO 4611
470p = ARCO 4611
270 & 180p = ARCO 465
150, 130 & 100p = ARCO 463
I believe, from all the advice I got, these will handle the input power
just fine.
Not tested yet!
jeff millar wrote:
>Al...
>
>You didn't mention what band the Amp has to run.
>But in any case, do you know about the Russian Tube QRO site?
>
>http://www.nd2x.net/base-1.html
>
>jeff, wa1hco
>
>al wrote:
>
>
>
>>Hi, I'm having problems in finding a tuned input circuit for the GS-345B
>>Wonder if someone can assist? thanks Arthur
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