Re: QDX - protection of BS17O PA
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Motorola used to use a neon lamp in their VHF base station receivers at the RF input to ground.? Neon lamps usually start to conduct and light up at about 60 volts.? I wonder if that would accomplish the same thing?
-Jerry AC5JM
On Friday, September 1, 2023 at 04:20:22 PM CDT, <wb2cba@...> wrote:
QCX mini has a class E pa different than QDX which has class D PA with two sets of bs170s. In qcx mini one 1N4756 zener diode will do the job. In qdx we need two of them.
73
Barb WB2CBA
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