I see generally how it should work but did not draw out a truth table. Why use the 74CB3T3253 instead of a low voltage 4052 variant?
It think you could buffer just the two references and save two operational amplifiers and 2 or 4 capacitors. On Mon, 2 Jan 2017 21:18:12 +0000 (UTC), you wrote: >I have come up with a ridiculously simple WWVB simulator that simulates both >the AM modulation and the BPSK modulation. > >A simple explanation and a link to the core schematic can be found here: >http://spacetimepro.blogspot.com/2017/01/wwvb-simulator.html >I'm working on fleshing out the design and producing a PCB. Any comments or >suggestions before I complete the design are welcome. I will try to >incorporate useful suggestions in the final design. > >Note: I have looked all over the 'net for a similar design or any thing >hinting at it. I found nothing. Once you see the design it becomes obvious. > >What clarified it for me is that I looked at the last diagram in this file >http://www.wparc.us/presentations/SDR-2-19-2013/Tayloe_mixer_x3a.pdf and then >plotted out the digital version of what the one cycle of the carrier would >look like given that the signal is just made up of ones and zeros. >The final design (as far as I have gone) incorporates a synchronizing latch so >the signals only change at the "zero" of the modulator. > >Simon _______________________________________________ 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.
