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Old 12th Jul 2019, 9:34 am   #9
PJL
Dekatron
 
Join Date: Sep 2005
Location: Seaford, East Sussex, UK.
Posts: 5,997
Default Re: American 60Hz clock - Will it run on pulsed DC?

Quote:
Originally Posted by TrevorG3VLF View Post
I have seen circuits of a 300Hz oscillator, phase locked to the mains and then this is divided by 5 to get 60Hz or 6 to get 50Hz. This will then need to be amplified to get a suitable supply for the clock.
Pulsed DC could work if the DC was blocked and only the pulses passed but you will need an accurate frequency source. There are invertor circuits to give out AC.
This is a nice little project using CMOS or a microprocessor.
http://sound.whsites.net/clocks/freq-changer.html

Quite complicated though.
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