Overview

The LA7217 and 7217M are synchronizing signal separator ICs with AFC and AFC Lock detector designed to be used in video equipments such as VCR and TV sets.

VCO with ceramic oscillator and PLL horizontal sync detector provide an adjust-free, percision sync detection system.

Features

• Use of a ceramic oscillator requiers no adjustment.

• Negative polarity output.

• High impedance video signal input pin.

• 5V supply voltage.

Functions

• Horizontal sync separation.

• Vertical sync separation.

• VCO (32fH).

• AFC.

• Sync signal detection.