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CM5018
(Preliminary)
Low Power Narrowband FM IF
The CM5018 includes an Oscillator, Mixer, Limiting Amplifier, Quadrature Discriminator, Active Filter, Squelch, Scan Control and Mute Switch. This device is designed for use in FM dual conversion communications equipment.
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Operates from 2.0 to 8.0 V Supply Low Drain Current 2.8 mA Typical @ VCC = 4.0 Vdc Excellent Sensitivity: Input Limiting Voltage – – 3.0 dB = 2.6 µV Typical Low Number of External Parts Required Operating Frequency Up to 60 MHz Full ESD Protection
Representative Block Diagram
Mixer Input 16 Scan Control 13 Squelch In 12 Filter Output 11 Filter Recovered Input Audio 10 – Filter Amp Squelch Trigger with Hysteresis + AF Amp 9
Gnd 15
Mute 14
Demodulator Mixer 1.8 k Oscillator 1.
CM5018 Datasheet
