基于Si4313设计的单端通用ISM频段接收技术

本文介绍了Si4313主要特性，功能方框图，应用案例图和参考测试板电路图。

Silabs 公司的Si4313是单端通用ISM频段接收器，工作频率240–960 MHz，灵敏度–118 dBm，数据速率0.2 - 128 kbps，采用FSK, GFSK和OOK调制方案，电源电压1.8 到3.6 V，主要用在遥控，健康监视器，气象站和个人数据资料记录。

Si4313主要特性:

Frequency range = 240–960 MHz

SensiTIvity = –118 dBm

Low power consumpTIon

Data rate = 0.2 to 128 kbps

FSK, GFSK, and OOK modulaTIon schemes

Power supply = 1.8 to 3.6 V

Ultra low power shutdown mode

Digital RSSI

Wake-up TImer

Auto Frequency Calibration (AFC)

Clear channel assessment

Programmable RX BW 2.6–620 kHz

Preamble detector

RX 64 byte FIFO

–40 to +85℃ temperature range

Integrated voltage regulators

Frequency hopping capability

On-chip crystal tuning

20-pin QFN package

Low BOM

Single capacitor matching network

Power-On-Reset (POR)

Single-ended antenna Configuration

Si4313应用:

Remote control

Weather station

Personal data logging

Health monitors

图1。Si4313功能方框图

图2。Si4313应用案例图

图3。Si4313参考测试板电路图