RC2211
Features
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- Wide frequency range Ð 0.01 Hz to 300 k Hz Wide supply voltage range Ð 4.5V to 20V DTL/TTL/ECL logic patibility FSK demodulation with carrier-detector Wide dynamic range Ð 2 m V to 3 VRMS Adjustable tracking range Ð ±1% to ±80% Excellent temperature stability Ð 20 ppm/°C typical
Applications
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- FSK demodulation Data synchronization Tone decoding FM detection Carrier detection
Description
The RC2211 is a monolithic phase-locked loop (PLL) system especially designed for data munications. It is particularly well-suited for FSK modem applications, and operates over a wide frequency range of 0.01 Hz to 300 k Hz. It can acmodate analog signals between 2 m V and 3V, and can interface with conventional DTL, TTL and ECL logic families. The circuit consists of a basic PLL for tracking an input signal frequency within the passband, a quadrature phase detector which provides carrier detection, and an FSK voltage parator which provides FSK demodulation. External ponents...
