>
>> Since this is a product specific product wirh a product that I have had no
>> experience with, I am lost! However, if it turns out to be complex, you
>> can do a simple thing with one transistor as an RF sensing switch.
>>
>> I will send you the circuit that I designed many years ago if you need me
>> to.
>>
>> Billy Dean Ward
>
Tom Rauch said:
>The last thing in the world anyone should do with an HF amplifier is
>use an RF sensing system to switch the thing!
>Timing problems are bad enough without waiting until RF appears
>to transfer the amplifier relay!
// Indeed, Mr Rauch, indeed. Another problem is that RF-sensing causes
the amplifier to switch into non-linear bias during soft-syllables of
speech. Nacherly, this makes rotten splatter. So why in the world do
MFJ/Ameritron amplifiers use RF- sensing?
cheers
- R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures.
end
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