On Apr 5, 2007, at 9:17 AM, Fred Jensen wrote:
Chris Kantarjiev wrote:
[warning thread drift]
The Linear Amp kits seem to need a fair amount of drive. I've been
idly thinking about a linear that would allow me to drive it with
my barefoot K2 and get 600-800 watts out for CW.
Didn't there used to be a Part 97 gain limit of 10dB for RF amps?
Is it still there? I'd go check myself but I've been reading the
regs trying to sort out RM11306 for comments, and my eyes are now
legally crossed from all the Fed-Speak.
The limit is 15 dB and is still in the requirements despite the
recent loosening of Part 97. That should give something over 400
watts when driven by a K2. I don't recall whether the "easily-
modifiable" rule is still there, so it may be possible to have an amp
with an attenuator on the front-end (I heard that one of the Tokyo
High Power amps does this, but haven't verified that).
73, Bob N7XY
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