Datasheet > RM2211D

RM2211D

更新时间： 2024-09-13 21:54:47

品牌	Logo	应用领域
其他 - ETC		解码器
页数	文件大小	规格书
16页	137K
描述
FSK Demodulator/Tone Decoder

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中文翻译

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数据手册

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RM2211D 数据手册

Electronics

Semiconductor Division

RC2 2 1 1

FS K De m o d u la t o r/To n e De c o d e r

Features

Applications

¥ Wide frequency range Ð 0.01 Hz to 300 kHz

¥ Wide supply voltage range Ð 4.5V to 20V

¥ DTL/TTL/ECL logic compatibility

¥ FSK demodulation

¥ Data synchronization

¥ Tone decoding

¥ FSK demodulation with carrier-detector

¥ FM detection

¥ Wide dynamic range Ð 2 mV to 3 V

¥ Carrier detection

RMS

¥ Adjustable tracking range Ð ±1% to ±80%

¥ Excellent temperature stability Ð 20 ppm/°C typical

Description

The RC2211 is a monolithic phase-locked loop (PLL)

system especially designed for data communications. It is

particularly well-suited for FSK modem applications, and

operates over a wide frequency range of 0.01 Hz to 300 kHz.

It can accommodate analog signals between 2 mV 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 comparator which provides FSK

demodulation. External components are used to indepen-

dently set carrier frequency, bandwidth and output delay.

Block Diagram

Data Filter

Loop Filter

FSK

Data

f-Detector

Output

FSK

Comparator

FSK

VCO

Input

Preamp

Lock

Detector

Outputs

f-Detector

Lock

Detector

Filter

Lock

Detector

Comparator

65-2211-01

Rev. 1.0.1

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