thank you, jack
----- Original Message -----
From: "Ken Brown" <ken.d.brown@verizon.net>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Sunday, March 12, 2006 1:17 PM
Subject: Re: [TenTec] a question:
> If you peruse the schematics of solid state RF PAs versus tube RF PAs,
> you will find the the bias control circuitry is the most complex part of
> the SS amp, often requiring more square inches of circuit diagram paper
> than the rest of the amplifier. Tube amps capable of QSK can have some
> complexity in their bias 'switching' circuitry, but their bias
> regulation is usually trivial often consisting of just a Zener diode.
> The solid state amp needs temperature compensation in it's bias
> regulation. This is one area where things can go wrong much easier in a
> SS amp than a tube amp.
>> As long as they are operated in their linear bias range, yes. Otherwise,
>> they get real nasty and real fast. Tube amps have a much softer bias
>> knee.
>>
>>
>>
>>> a friend, ham radio op and commercial radio tech, suggested that solid
>>> state amps are "cleaner" than tube amps. is that "generally" true?
>>>
>>
>
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
|