IG-37 FM Stereo Generator for RF, IF and FM Stereo Alignment.

Produces virtually all signals for trouble-shooting and aligning multiplex adapters, FM tuners
and receivers. Generates mono FM or composite stereo FM signals.

Crystal-controlled 19 kHz (plus or minus 2 Hz)pilot signal, adjustable from 0 to 10% for checking
tuner lock-in range.

Switch selection of 400, 1000, 5000 Hz, 19 kHz, and 65 or 67 kHz SCA signals.

100 mHz sweep generator, adjustable plus or minus 2 mHz, for overall RF and IF alignment.

Built-in crystal marker oscillator for IF and dual-tracking checks.

Phase test capability.

No balance adjustment needed for equal Right and Left channel modulation levels.

Weight not given.  
1968 price:  $79.95.