Michael A. Terrell wrote:

GS wrote:

On May 14, 8:49 pm, "Michael A. Terrell"
wrote:
mm wrote:

On Sat, 14 May 2011 19:19:28 -0400, "Michael A. Terrell"
wrote:

Magnetrons don't work that way. They run at full power over their
useful life. That's why they have to use PWM to control the average
power level.

Makes sense. Okay. I'll give up the plan. That's one more thiing I
don't have to do.

Thanks again.

You're welcome. That's why I have two microwave ovens.

--
You can't fix stupid. You can't even put a Band-Aid? on it, because it's
Teflon coated.

I use two. A big sears 800 watts, and little Panasonic inverter 1200
watts. Weird but true. Always use the inverter for frozen dinners.

I think you have to wide pulse the magnetron, like many seconds.
A little weird, the inverter takes about 3 seconds to fire up after
pushing start.


The Magnatron filament is turned on and off to pulse the output. It
takes a fraction of a second to warm up.

Some of the older US made units from Litton or Tappan had a giant reed
relay, and the HV was actually switched on and off for the defrost mode.
They made a nice sound switching on and off.