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ESW5210 데이터시트 PDF




ELAN Microelectronics에서 제조한 전자 부품 ESW5210은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 ESW5210 기능
기능 27MHz FSK Receiver
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ESW5210 데이터시트, 핀배열, 회로
ESW5210/5211
27MHz FSK Receiver
Product
Specification
DOC. VERSION 1.0
ELAN MICROELECTRONICS CORP.
June 2008




ESW5210 pdf, 반도체, 판매, 대치품
Contents
Specification Revision History
Version
1.0 Initial Release Edition
Revision Description
Date
2000/06/05
iv Product Specification (V1.0) 06.05.2008

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ESW5210 전자부품, 판매, 대치품
ESW5210/5211
27MHz FSK Receiver
6 Function Description
The ESW5210/5211 single-chip solution is a CMOS technology integrated circuit
intended for low cost FSK receiver application and to establish a frequency-agile RF
link. The device is capable of providing 10-channel receiver.
6.1 Mixer and Limiter
The mixer-oscillator (VCO) combination converts the input frequency (e.g., 27MHz)
down to 455KHz, where, after external bandpass filtering, most of the amplification is
done. The audio is recovered using a conventional quadrature FM detector. After
suitable bandpass filtering (ceramic or LC), the signal goes to the input of limiter
amplifier at Pin 8. The output of the limiter at Pin 11 drives a multiplier to detect the
FM. This is accomplished both internally (direct access), and externally through a
quadrature coil or discriminator. The other side of the limiter stages is decoupled at
Pins 9 and 10. The limiter IF amplifier typically has about 75dB of gain. Decoupling
capacitors should be placed close to the decoupling Pins 9 and 10 to ensure low noise
and stable operation.
A simple inverter OP amp is provided with an output at Pin 15 providing DC bias to be
input at Pin 14, and positive input at Pin 17 for reference voltage set. The filter can
be made with external impedance elements to discriminate between frequencies.
6.2 VCO
The circuit employed an LC-tank structure to achieve low-phase noise characteristic
where “L” is an off-chip high-Q inductor, and “C” is provided by a varactor with different
tuning ranges.
6.3 PLL
The PLL includes 64/65 prescaler, charge pump, PFD, N-A swallow counters, and
R-counter for the multi-channel applications. The channels are selected for
ESW5211 via mechanical switches of parallel BCD input. For ESW5210, the
channels can be easily set by an input pin CHCLK which directly selects the ROM
table addresses.
Product Specification (V1.0) 06.05.2008
(This specification is subject to change without further notice)
3

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구매 문의
일반 IC 문의 : 샘플 및 소량 구매
-----------------------------------------------------------------------

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관련 데이터시트

부품번호상세설명 및 기능제조사
ESW5210

27MHz FSK Receiver

ELAN Microelectronics
ELAN Microelectronics
ESW5211

27MHz FSK Receiver

ELAN Microelectronics
ELAN Microelectronics

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