Overview
The LA7950 is an IC designed to discriminate the field frequency based on the relation between TV vertical signal and horizontal signal. It is suited for use in automatically setting various types of video equipment, such as color TV, to PAL/NTSC mode.

FEATUREs
• Small-sized package (SIP10).
• Stable to external disturbance such as noise.
• Many output pins for mode select (4 outputs).
• Wide operating voltage range (6 to 13V).

Functions
• Sync separation.
• Field frequency counter.
• Vertical sync separation.
• Forced (manual) output select.