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OK I NEED HELP - REALLY I DO ...
I AM PLAYING WITH A MICROWAVE OVEN - WOULD LIKE TO REDUCE THE POWER OUTPUT OF THE MAGENTRON - AS IT IS - IT IS SETUP FOR 600 WATTS PULSED ERP - THAT IS SHE PEAKS AT 600 WATTS 60 TIMES A SECOND - ANODE VOLTAGE IS 4500 VAC THROUGH A 125 VAC STEP UP TRANSFORMER. I WANT TO KEEP THIS VOLTAGE BUT WANT TO REDUCE THE CURRENT TO REDUCE POWER. BEST WAY I THINK IS TO REDUCE CURRENT ON THE PRIMARY 120 VAC SIDE OF THE TRANSFORMER. CAN'T REDUCE VOLTAGE OF 4500 VAC BECAUSE MAGNETRON FAILS TO OSCILLATE AND DRAWS A LARGE PLATE CURRENT. ANY IDEAS ? ALREADY TRIED A VARIAC ON THE PRIMARY - IT REDUCED VOLTAGE BUT DID NOT REDUCE POWER UNTIL THE MAGNETRON STOP OSCILLATING COMPLETELY. ANY HELP WOULD BE APPRECIATED - BIZ WDØHCO |