Good catch. Man that copy and paste really nailed me. I grabbed the original wwvb rcvr. Appears another piece is missing. Thats pin 1 is the 3.3V in. Updated schematic
On Tue, Jul 8, 2014 at 3:29 PM, Tom Miller <[email protected]> wrote: > How does the 3.3 volts get into the Rx chip? > > Tom > > ----- Original Message ----- From: "paul swed" <[email protected]> > To: "paul swed" <[email protected]>; "Time-nuts" <[email protected]> > Sent: Tuesday, July 08, 2014 2:50 PM > Subject: [time-nuts] WWVB updated remodulator schematic 2 mistakes and > aquestion > > > > I have received 2 different emails that what I published seems to have >> gone >> out. >> A 243KB PDF sent through time-nuts. >> Also sent out dropbox links and indirectly it appears that works. >> Would appreciate some more feedback please on how you may have obtained >> the >> documentation to see what works best. >> >> Also found 2 errors on the schematic and those are corrected here. >> Both are around the 2n3904 transistor. >> 100K increased to 270K better behavior >> 47 ohm typo its 1.8K not really picky. >> Regards >> Paul >> WB8TSL >> >> > > ------------------------------------------------------------ > -------------------- > > > > _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/ >> mailman/listinfo/time-nuts >> and follow the instructions there. >> >> > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. >
Remodulator op_ver1 07082014.sch
Description: Binary data
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