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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[VHFcontesting\]\s+500\-watt\s+LDMOS\s+2M\s+Amp\?\s*$/: 3 ]

Total 3 documents matching your query.

1. [VHFcontesting] 500-watt LDMOS 2M Amp? (score: 1)
Author: <ve3rwj@winsystem.org>
Date: Wed, 7 Dec 2022 18:29:35 -0500
I don't recognize either of the manufacturers mentioned in this add, and the price seems high. Does this sound like somebody is making these in his garage to anyone else, or just me? https://swap.qth
/archives//html/VHFcontesting/2022-12/msg00007.html (6,864 bytes)

2. Re: [VHFcontesting] 500-watt LDMOS 2M Amp? (score: 1)
Author: Zack Widup <w9sz.zack@gmail.com>
Date: Wed, 7 Dec 2022 18:01:12 -0600
I would guess QHTenna is N4QH, who placed the ad. I can't see that he has a website himself. The price does seem high. Ed K9EK has designed 300 watt amps for 144 MHz using LDMOS FET's. He doesn't man
/archives//html/VHFcontesting/2022-12/msg00008.html (8,114 bytes)

3. Re: [VHFcontesting] 500-watt LDMOS 2M Amp? (score: 1)
Author: kb8u vhf <kb8u_vhf@hotmail.com>
Date: Fri, 9 Dec 2022 17:20:22 +0000
Look like an amplifier board from https://www.dxworld-e.com/shop and meanwell is a big power supply manufacturer https://www.meanwell.com/ The power supply look like they're literally two meanwell su
/archives//html/VHFcontesting/2022-12/msg00010.html (7,490 bytes)


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