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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[CQ\-Contest\]\s+LDMOS\s+claims\s+re\:\s+KPA1500\s+vs\s+OM\s+2000A\s*$/: 2 ]

Total 2 documents matching your query.

1. [CQ-Contest] LDMOS claims re: KPA1500 vs OM 2000A (score: 1)
Author: Dick Frey <k4xu@bendcable.com>
Date: Wed, 11 Mar 2020 23:25:34 -0700
There have been some claims made in this thread about the VSWR capabilities of LDMOS vs older MOSFETs (VDMOS) vs vacuum tubes. It's basic physics. The silicon in an RF power transistor is less than a
/archives//html/CQ-Contest/2020-03/msg00067.html (9,818 bytes)

2. Re: [CQ-Contest] LDMOS claims re: KPA1500 vs OM 2000A (score: 1)
Author: Jim Brown <k9yc@audiosystemsgroup.com>
Date: Thu, 12 Mar 2020 10:33:44 -0700
For those who don't know, Dick designed power amps for Ten Tec and Alpha, including the Ten Tec Titan, Alpha 86 and the 87A (but not the control circuitry, he is careful to point out). 73, Jim K9YC _
/archives//html/CQ-Contest/2020-03/msg00080.html (7,673 bytes)

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