I may have answered my own question. This is in a letter from Panasonic.
Moreover, because the bulky transformer is replaced by the compact Inverter
circuit,
it's possible to have a spacious oven interior while maintaining a compact
exterior.
The entire letter is posted at:http://www.panasonic.com.au/pdf_media/00006e.pdf
I may get one anyway to just take apart.
73
Bill wa4lav
Date: Wed, 07 Jul 2004 11:53:18 -0400
To: AMPS <amps@contesting.com>
From: Bill Fuqua <wlfuqu00@uky.edu>
Subject: High Voltage inverter?
Does anyone know anything about the Panasonic Inverter Microwave Ovens.
Could it be that they are using a high voltage inverter or just control
filament to limit
power output?
The advantage of these is that they don't switch on and off like the
ordinary ones
do while defrosting or when set for less than full power.
If it is the HV that they are producing via inverter then perhaps they are
good
candidates for switching HV power supplies.
For only about $75 spent at WalMart maybe someone can check it out.
I just bought a microwave oven and have too many just now.
73
Bill wa4lav
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