On Aug 23, 2006, at 4:24 PM, John T. M. Lyles wrote:
> VK3HZ posted some very interesting info in his report on the
> 'teardown' of a Panasonic inverter power supply. Cooking magnetrons
> don't like constant voltage power supplies, or regulated voltage, and
> some industrial systems use Current regulation. 100 or 120 Hz ripple
> doesn't mind, as a matter of fact, it is somewhat desirable as it
> causes some frequency and mode variation, so i was told.
>
> Beside the fact that testing anything on the primary side of the
> output transformer means working with a hot chassis, it looks to be a
> really inexpensive way to make HV for the ovens. That translates to
> lower cost and less weight, lower cost shipping, etc.
Indeed, John. The weight of the inverter-powered Panasonic microwave
oven is surprisingly little.
>
> 73
> John
> K5PRO
>
>> For some time now, I've been investigating the use of a high voltage
>> inverter power supply from a Panasonic microwave oven for powering a
>> compact, light-weight linear amplifier.
>>
>> The results so far can be found here:
>> www.users.bigpond.net.au/dwsmith/hv_inverter.pdf
>>
>> I welcome any advice on further progress with this.
>>
>> Regards,
>> Dave
>> VK3HZ
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R L MEASURES, AG6K. 805-386-3734
r@somis.org
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