[ICOM] PW1 REVISION

[Massimo 'Max' MUCCI - I8NHJ]

Ciao Lawrence
will try to get the Message and Modification right today.

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73 de Max, I8NHJ/NH7CU
one of EL2PP, 1A0KM, JT1Y, E30GA, T77V, TT8MM, T32R, K5K, XR0X, S05X

on giovedì 31 marzo 2005 you wrote:


LY> Hi all: I think there may be some slight
LY> translation issues from what Max said. As I iterpret
LY> what was intended to be said, Icom Japan issued a
LY> statement saying that some failures of the PW-1 was
LY> determined to be caused by extraneous RF getting into
LY> the relay switching lines on the filters, thus relay
LY> selection errors could occur, causing the failures.
LY> Their solution is to add some additional RF bypass caps
LY> on the relay switching lines. Just my take from having
LY> this problem many years ago when I was on a design team
LY> for a military solid state HF amp.
LY> Larry K4LXV 
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