Note
QST, Aug 1946, p. 139.
Lafayette catalog number 88 (1947), p. 103.
Some info: Allied catalog 1948 page 162.
Lafayette catalog number 89, p 170.
Converts any transmitter on 6, 10, or 11 meters for use on NBFM. Operation is possible on 40 meters by using at 80 meter crystal, but NBFM is not permitted on 40.
Uses phase modulation.
Connects to transmitter crystal socket or the grid circuit of a VFO.
Provides deviation of 2 to 3 kHz.
Circuit includes microphone amplifier, crystal oscillator, buffer modulator, and built-in power supply. Modulation and tuning controls, transmit-receive switch, crystal socket and mic jack are located on the front panel. Metering jack and antenna connector are on the rear panel.