DESCRIPTION

The TK10931V is an IF system IC designed for communications equipment. The TK10931V contains the following functions:

Oscillator Mixer

FM IF Limiter Quadrature Detector

AM AGC Amplifier Squelch Noise Amplifier

AM Detector Squelch Rectifier

RSSI Output RF AGC Output

Squelch Comparator

FEATURES

■ Simultaneous Operation (AM Section, FM Section)

■ AM Section with ON/OFF Control Input

■ AGC Amplifier Control Input

■ AGC Amplifier Output

■ High-speed FM Limiter Amplifier (Up to 11 MHz)

■ RF AGC Output (for External RF Amplifier)

■ Built-in Noise Squelch Circuit (Noise Amplifier, Rectifier, Comparator)

■ Wide Range Voltage Operation (2.5 V to 8.5 V)

■ Very Small Package (TSSOP-24)

APPLICATIONS

■ Amateur Radios

■ CB Radios

■ Utility Radios

■ Scanner Receivers