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.
• • • • • • 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 Hysteres...

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