Highland Ham wrote:

If everything works out this weekend I should have about 10w or so to
drive into a linear. My friend here in town thinks I should buy used
Dentron Clipperton or Heathkit. I don't think 10watts would do either
justice. If 10w would give me a KW out with a commercial unit I would
consider buying a good used unit.

=================
That's a 20dB amplification ...a bit much for a single stage amp.
You need a 10 dB intermediate stage ,resulting in 100 W output.
The final 10 dB to 1 kW can then be achieved with a (standard) Poweramp.

Frank KN6WH / GM0CSZ

The usual 6146 final stage doesn't take in more than a couple of watts
for 100 watts out.

I don't play with heavy iron, but AFAIK most linear amps are limited to
10dB of amplification because most hams have 100W output rigs and the
FCC kinda frowns on non-home-built amps that can do more than that
(something about CB'ers).

I've seen tetrode amplifier designs that look like they could easily do
this. You'd have to actually _pay attention_ to isolating the input
from the output, and you'd have to do all the care-and-feeding stuff
that screen grids require, but it should be possible to do it in one stage.

--

Tim Wescott
Wescott Design Services
http://www.wescottdesign.com