D1379C integrated circuit application circuit

D1379C is an integrated circuit for black and white TV line and field scanning . Its main functions are: synchronous separation, AFC, line oscillation and line pre-excitation, frame oscillation and output, boost circuit, etc. Different from D1031 It integrates AFC, line oscillation, and line pre-excitation into the circuit, making the external components less. The application example is shown in the figure.

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The application principle of D1379C is: the full TV signal from the pre-view output is input from the 15-pin to the synchronous sharer in the circuit, in the synchronous separator, the frame sync pulse