> here's a question: when looking at the five jack > boards, there's brownish components on them (4 each). > At first I thought these are just jumpers but then I > noticed they actually look like ceramic caps with very > fat legs - and three of them too (legs that is).... > sooo: what are those? Murata 3-terminal notch filters. These are to filter the CPU clock noise off the ribbon cable, in order to pass CE and FCC regulations. And I use them as jumpers :) There are also 2ea TDK SMT notch filters on the main CPU board: one for the 8052 +5V, another one for the LEDs. Paul S.
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Re: [motm] motm650 question
2006-06-08 by Paul Schreiber