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Title: AF 67 MOD RESTING CURRENT.. Post by: ve6pg on February 02, 2012, 09:22:41 AM ..a friend needs to know what the resting current for the AF67 modulator should be..any info is helpful..
..sk.. Title: Re: AF 67 MOD RESTING CURRENT.. Post by: WD8BIL on February 02, 2012, 01:09:03 PM I went thru the manual on BAMA, Tim. It doesn't give a specific mod current setting. Just the voltages around the tubes. AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
Plate (pin 3) 350 - 500 VDC - see chart for appropriate series resistor Screen (pin 4) 220VDC Bias (pin 5) -22.5VDC |