Re: CBM 710: Replacing Power Supply - Help Needed

From: Michał Pleban <*lists_at_michau.name*> Date: Sat, 14 Apr 2018 21:47:04 +0200 Message-ID: <5AD25AB8.8090009@michau.name> · lists_at_michau.name

Hello!

Micah Bly wrote:

> The PSU seems like it should be fine for the power side of thing, but
> could someone help us with designing a circuit for the timing? 

That's what I used today for a quick and dirty 50Hz generator:

https://www.electronics-tutorials.ws/waveforms/tim47.gif

R1 = 820 Ohm
R2 = 1 kOhm
C1 = 10 uF

It's not a perfect 50 Hz but close enough.

Regards,
Michau.