[time-nuts] FE-5680A Loop Lock Indicator

Al Wolfe alw.k9si at gmail.com
Sun Sep 22 19:43:08 EDT 2013


    I'm surprised no one suggested using two 2N2222's in Darlington. Then a 
22K or more from the base to the indicator pin would not load things down 
much. Collector load then 1.2K to 2k in series with the LED.

Al, K9SI




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