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Semtech SX1230 ISM频段无钥匙进入(RKE)解决方案

Semtech 公司的SX1230 是窄带/宽带315 MHz, 434 MHz 868 MHz和915 MHz  ISM频段发送器,可编程输出功率从+17 dBm 到 -18 dBm,比特速率高达600kbps,FSK, GFSK, MSK, GMSK 和OOK调制,单独使用时不需要主MCU,在1.8V-3.7V时有恒定的RF性能,低相位噪音(50kHz时为-95 dBc/Hz),主要用在无钥匙进入(RKE)系统,遥控和安全系统,语音和数据通信链接,生产过程和建筑物/家庭控制,有源RFID,AMR/AMI平台。本文介绍了SX1230主要特性,简化方框图,单独应用电路图以及多种输出功率匹配电路图,无钥匙进入系统(RKS)交钥匙参考设计主要特性,详细电路图和材料清单。

SX1230 - Integrated Transmitter IC Narrow/wideband 315 MHz, 434 MHz 868 MHz and 915 MHz band Transmitter

The SX1230 is a fully integrated transmitter which can operate in the 315, 434, 868 and 915 MHz licence free ISM bands.

The transmitter has two modes of operation, a conventional MCU controlled mode and a ‘stand-alone’ mode which enables the SX1230 to download configuration and messages from an E2PROM in response to a user input.
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