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AM-1957 * Amplifier Oscillator, 601.5 to 999.5 MHz plug-in for T-893/GRC-50 transmitter. Utilizes three 7289 tubes as 651-1049.r MHz oscillator, -50 MHz mixer and 15 watt power amp. Directional coupler detects Reflected Power and provides monitor output for external meter circuit. RF passes through duplexer haveing identical receive/transmit sections each with two cavities. Receive signal routed to seperate AM-1955 receiver module.) Transmit RF then moves to second directional coupler which detects Reflected Power also with output for external meter. Wavemeter samples output RF for frequency measurement using calibration chart. Cathode current of each 7289 regulated by external 250VDC, 650 VDC, 800 VDC, 5.7VAC, 5.5 VAC. Schematic and info included. 8.9x11x16, 36 lbs sh. (G9P) Used,


 
Quantity   Price
1 or more   $79.50 each



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