High-output crystal-referenced signal generator combined with a selective coherent detector, for RF bridge measurements of AM antenna impedance. Tunes 100 kHz to 1999.5 kHz in 500 Hz steps, drives up to 20 V RMS, and rejects signals the antenna picks up from other stations.
Battery powered. Works with bridges such as the General Radio 1606 and 916 and the Delta OIB-1; pair it with the RX-31 receiver.