[time-nuts] Re: Home Brew GSPDO

2022-06-08 Thread Chris Caudle via time-nuts
On Wed, June 8, 2022 12:59 pm, paul swed via time-nuts wrote: > Well the easiest thing is to use two level comparators on the filtered DC. > One for high and the other for the low trip point. That only tells you if the PLL is locked to the PPS output, it does not tell you if the PPS output is val

[time-nuts] Re: Home Brew GSPDO

2022-06-08 Thread W Private via time-nuts
That particular approach about monitoring the control voltage may have to wait until I get the thing all buttoned up and insulated because the control voltage changes even with the temp in the room. The oven is insulated, but apparently not perfectly. I did put the heatsink for voltage control

[time-nuts] Re: Home Brew GSPDO

2022-06-08 Thread paul swed via time-nuts
Congratulations on the fun project. Well the easiest thing is to use two level comparators on the filtered DC. One for high and the other for the low trip point. Then feed a LED or a set reset flip flop so you have a memory. Unlocks are a challenge in that everything may work just fine but then a s