Special Features:

Freq data 8kc, 12 kc, 16 kc, 20 kc, 56 kc, 72 kc, 88 kc, 120 kc carrier freq supplied, 12 kc, 28 kc, 68 kc pilot freq supplied; o/a dim. 12-5/16 x 18-1/16 x 20-5/8 in.; jetds id data, freq supply telephone carrier, type no.Ta-228/tcc-7

Properties:

A component having the function of source supply of two or more carrier frequencies derived from a common master control circuit such as a crystal controlled oscillator or tuning fork. May include the supply of pilot frequencies, test tones, and the like. The carrier frequency supply is used with associated components. It need not include its own power supply.