[VHFcontesting] Harris amp on 222
ppattrsn at swbell.net
ppattrsn at swbell.net
Sat Apr 18 09:13:36 EDT 2020
Mike,
Ron, K5LLL, has converted a Harris Chan ll amp to 222. Here's a link to his Roadrunners Microwave Group presentation.
https://k5rmg.com/harris-222-amplifier-ron-marosko-k5lll/
73,
Pat, W5VY
-----Original Message-----
From: VHFcontesting <vhfcontesting-bounces+ppattrsn=swbell.net at contesting.com> On Behalf Of mike repinski via VHFcontesting
Sent: Saturday, April 18, 2020 6:13 AM
To: vhfcontesting at contesting.com
Subject: [VHFcontesting] Harris amp on 222
Has anyone tweaked a channel 11 amp for 222 mhz? I am using 2 modules in parallel. With 30 watts drive I am seeing 18 amps at 50 volts input. That would be 900 watts input. I am getting 400 out. Not very efficient. It makes a little more at 220 than 222. Thanks Mike _______________________________________________
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