Tokyo High Power used a pair of ARF1500 in their HL2.5KFX.
http://www.ab4oj.com/dl/thp/hl2_5kfx/manual_hl2_5kfx_complete_schematics.pdf
Two amps with those transistors were built in Germany:
https://www.yumpu.com/de/document/view/21269897/kw-pa-arf1500-mods-hamcom
73
Peter
-----Original Message-----
From: Amps [mailto:amps-bounces@contesting.com] On Behalf Of Bill Turner
Sent: Mittwoch, 3. Mai 2017 21:24
To: Amps group
Subject: [Amps] High voltage MOSFETs
For those interested, MIcrosemi has a line of relatively high voltage
RF MOSFETs:
https://www.microsemi.com/existing-parts/parts/81771
One intriguing possibility with these is direct coupling (through an
LP filter and DC isolation of course) to 50 ohm coax. No transformer
needed.
Something to think about.
73, Bill W6WRT
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