====== AC Power Supply Model 262M ====== {{262m.jpg?150|}} ===== Description ===== For use with Models [[540]] and [[544]]. Fully voltage regulated to provide highly stable, pure DC (225 watts) from 117 VAC. Panel DC ammeter. Instantaneous overload protection circuit prevents damage caused by excessive current drain; reset by momentary turn-off. Includes a complete VOX system. VOX controls are located on front panel. Low frequency components invoice below cut-off frequency of speaker actuate T/R function. ===== Specifications ===== ***Input Voltage:** 117 VAC, 50-60 Hz ***Output Voltage:** 13 VDC +/- 0.5 V ***Regulation:** Better than 1% no load to full load @ 117 VAC ***Output Current:** Zero to 18 A, built-in ammeter ***Ripple:** Less than 60 mV p-p @ 18 A and 117 VAC ***Circuit Breaker:** Trips at 20 A (manual reset) ***Output Connections:** One 4-pin AMP MATE-N-LOK type. Two Phono Jacks for low current. ***Finish:** Satin aluminum front panel, black pebble-grain sides and top. ***Semiconductors:** 4 transistors, 1 SCR, 7 diodes ***Size:** HWD 4.5" x 8.25" x 13" ***Weight:** 15 lbs ===== VOX Specifications ===== ***Mic Input Impedance:** Greater than 3 megohms for crystal, ceramic, or hi-Z dynamic microphones ***Transmitter Microphone Channel Gain:** Unity ***Maximum Microphone Input Level:** 250 mV, rms ***VOX Sensitivity:** Less than 1 mV @ 200 Hz trips T/R ***Delay:** Adjustable from 0.1 to 1 sec. ***Semiconductors:** 1 IC, 10 transistors, 3 diodes