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Old 2nd Jul 2022, 3:27 pm   #8
Philips210
Nonode
 
Join Date: May 2007
Location: Redruth, Cornwall, UK.
Posts: 2,573
Default Re: Roberts R800 switch.

Frank's suggestion looks a good solution to the problem. I am also all for doubling up on the switch contacts if possible to spread the current flow for best contact life.

On a similar note maybe a power MOSFET to carry the radios's supply current is another idea. I built a bedside timer for my late father's Roberts R701 radio which used a MOSFET to control the radio's supply. From memory the circuit was in September 2000 EPE magazine. I think it was a circuit provided by a reader.

Regards,
Symon
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