LM3361A Datasheet - National Semiconductor

LM3361A LM3361A Low Voltage/Power Narrow Band FM IF System

The LM3361A contains a complete narrow band FM demodulation system operable to less than 2V supply voltage Blocks within the device include an oscillator mixer FM IF limiting amplifier FM demodulator op amp scan control and mute switch The LM3361A is similar to the MC3361 with the following improvem.

LM3361A Features

* Y Y Y Y Y Y Functions at low supply voltage (less than 2V) Highly sensitive (b3 dB limiting at 2 0 mV input typical) High audio output (increased 6 dB over MC3361) Low drain current (2 8 mA typ VCC e 3 6V) Minimal drain current increase when squelched Low external parts count Block Diagram and Tes

LM3361A_NationalSemiconductor.pdf