Hello Everyone,
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Let me first say this is an experimental improvement to see it will work.? ? I have a hamtronics reciver board that is running in the 220MHZ space.? ? ?It's one the last board produced before the owner had a fatal bicycle accident.? ??
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I wanted to see if I could improvement the selectivity of the receiver by narrowing filters or am I look at more of a total redo of the circuit.? Like I said, I'm doing this as a experiment.?
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I wanted to narrow it to the current 222-225 Mhz from the old 220 to 225 Mhz.? ?
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Any suggestions would be helpful.?
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Thanks
Steven H.
N8RLW?
