John, sounds like a great commercial project with quite an end result
most Hams will never see. I am very curious about your testing.
Be very interested if you had any fault history for the MRFE6VP61K25H.
Have you pushed it to extremes.
73,
George, K4GVT
On 3/7/2013 10:19 PM, John Lyles wrote:
We've been testing a commercial amplifier using 8 of the 1250 watt CW rated
MRFE6VP61K25H parts at 200 MHz, and have a solid 5.5 kW output. Its pulsed at
about 10% on time so runs pretty cool to the touch. Water cooling of the heat
spreader is nice. This is the driver for a tetrode that is driving the new
final power amplifer for 2.5 MW peak. It works!
73
John
K5PRO
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