Overview

The LA7161V is an RF modulator which generates, from a baseband video and audio signal, PLL frequency synthesized RF TV channel signal in VHF band.

Features

• 5V operation.

• PLL synthesized RF VCO (US : 3ch, 4ch, JPN : 1ch, 2ch, TWN : 13ch only), channel selection accomplished using two pins.

• PLL synthesized (4.5MHz frequency) and tankless audio FM.

• The 4 or 3.58MHz (color subcarrier) reference frequency for PLL can either be generated internally or input from an external source.

Functions

• RF VCO

• RF mixer

• RF buffer

• Video clamp

• White clip

• Audio FM

• 4V regulator

• Reference OSC