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

[Bob Stewart]

Hi Al,

This is just something quick and dirty.  At least it works and doesn't seem to be able to hurt anything.

Bob





>________________________________
> From: Al Wolfe <alw.k9si at gmail.com>
>To: time-nuts at febo.com 
>Sent: Sunday, September 22, 2013 6:43 PM
>Subject: Re: [time-nuts] FE-5680A Loop Lock Indicator
> 
>
>   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
>
>
>_______________________________________________
>time-nuts mailing list -- time-nuts at febo.com
>To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>and follow the instructions there.
>
>
>