🚀 go-pugleaf

In article <BuE4p8.5Bq@acsu.buffalo.edu>, v064mb9k@ubvmsb.cc.buffalo.edu (NEIL GANDLER) writes:

> So most manufactuers use mosfet power supplies
> that step up the 12vdc to higher levels by first providing a 60hz
> oscillating signal and using power mosefets to switch the 12v power
> to a step up power transformer which results in a larger square wave ac
> voltage output.

- it will probably be at a much higher frequency than 60Hz e.g. 50kHz

> ... But the mosfets although
> amazing devices have internal resistances that cause them to heat up a lot
> under heavy current loads.

But you can just put more in parallel if you need a lower resistance, that
will be more reliable than relays.

Kev.
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