Question : In the 74HCT9046BCN - does a high on the inhibit line Knobble the P/F detectors as well as the VCO?
On Mon, May 7, 2018 at 10:34 PM, donald collie <[email protected]> wrote: > Thankyou to all who responded to my querie - I`ve got 5 74HCT9046BCN on a > slow boat from China. They will retrofit the projects where I used a 4046 > without much pcb surgery. PLL`s are fun, especially when yo can watch them > lock on a Tek 7834 :-) I interloaned the weighty tome again, and am > having another read - it is "Phase Locked Loops : Design, Simulation, and > Applications" sixth edition - a good bedtime read! > Cheers!.....................................................................Don > C. ZL4GX > > > <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> > Virus-free. > www.avg.com > <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> > <#m_8054078827359710951_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> > > On Mon, May 7, 2018 at 6:11 AM, Magnus Danielson < > [email protected]> wrote: > >> Hi Charles, >> >> On 05/06/2018 06:08 PM, Charles Steinmetz wrote: >> > Magnus wrote: >> > >> >> If you use it without care and knowledge, beware. That goes for any >> >> tool we apply >> > >> > Indeed! The Cardinal Rule of design! (So often unfollowed....) >> > >> > "An engineer is someone who can figure out what questions need to be >> > asked, figure out how to answer them, and tell when they are correctly >> > answered." >> >> Indeed. I don't claim to be expert on the 4046 family of PLL chips, but >> at least I can share my experience and let you know about the things I >> learned from being bitten. >> >> Then, reading Gardners book, and advancing to full PI loop, I feel more >> comfortable about mixer or S/R-gate loops. The "magic" of some detectors >> have become less of a benefit for many designs. In general, most of my >> designs have become much simpler and robust. However, it's always good >> to have alternatives. >> >> Cheers, >> Magnus >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/m >> ailman/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.
