[ntp:questions] Re: WWVB 60kHz Receiver

Karel Sandler sandler at ujf.cas.cz
Fri Apr 14 11:46:52 UTC 2006

"bgjim225" <bgjim225 at yahoo.com> wrote
> I"m trying to build a clock that uses the WWVB signal to keep its own
> time.  I have everything built and working except the Antenna portion.
> I have a 1.1mH ferrite rod Antenna.
> I know tuning it would require a capacitor that I calculated to be
> 7700pF.  The problem I am having is tuning it.  I am not sure how to
> test it to make sure it is working correctly.  I have tried
> broadcasting a 60kHz signal from a function generator and viewing it on
> an O-scope and Spectrum Analyzer, but I"m seeing nothing.  I"m looking
> for any suggestions to prove I have this tuned correctly.

Look for the Temic U4221B datasheet. Also 
http://www.c-maxgroup.com/tech/antenna.php may be helpful.

Karel Sandler 

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