Re: operating a 50hz clock radio on a 60hz power supply

On Sep 16, 8:14 am, SMS <scharf.ste...@xxxxxxxxxxx> wrote:
wilson wrote:
Can i use a 220volts- 50hz clock radio on a 220volts- 60hz power
supply??? If i can what will be the problems will i encounter???
Please help!!!

It'll run 20% fast, so you'll have to take this into account, keep track
of the time and day when you first set it, and adjust the time it shows
accordingly. Maybe reset it every month and make up a chart that shows
the day of the month and the time of day that the clock shows, versus
the actual time and day. Just do it for five minute intervals. Use Excel.

It will only run fast if it uses the line freq for time keeping.
Certainly true with mechanical clocks. But most, maybe all digital
clocks use a crystal freq. source.

.

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