[time-nuts] Handar INC WWV receiver

WB6BNQ wb6bnq at cox.net
Sun Feb 17 21:30:44 EST 2008


Stanley,

We will be looking forward to schematics and full firmware listing by next Friday.

73....Bill....WB6BNQ


Stanley Reynolds wrote:

> Update the receiver is working not sure if it is decoding time but powered it up and was able to hear WWV.
>
> (1) Brown R14 100K to B+
> (2) Red R15 100 to pin 9 of U9 data in
> (3) Orange R18 500 to B+
> (4) Yellow C47 pin 5 U16 from demod section receiver audio
> (5) Green R16 &17 - R17 100K to B+ - R16 100 to 8 of U12 data out
> (6) Blue 5 of U13 & 10 of U12 data in also enable (5) data out and start search
> (7) Purple Ground
> (8) Gray Ground
> (9) White 12 volt supply
>
> Pin numbers are the same on the board or case connector.
>
> You must touch or short pins 6 and 3 to cause the unit to cycle looking for signal takes a few minutes then it goes back to sleep no audio. keeping the short does not keep it on it is looking for a level change.
> Used amplified computer speakers on pin 4 and ground for audio.
>
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