抄表模块

A7139模块是基于笙科的A7139无线收发芯片设计，是一款完整的、体积小巧的、低 功耗的无线收发模块。A7139是一个 ISM 频段无线收发芯片，主要设定为 315 / 433 / 470/ 868 / 915 /MHz ISM/ SRD频段，最大输出功率可达20dBm，最高传输速率达 250Kbps。用户不需要对射频电路 设计深入了解，就可以使用本模块轻易地开发出性能稳定、可靠性高的无线产品。 测试条件：Ta=25°C，      VCC=3.3V\n \n\n   技术指标    参数备注\n  工作电压   直流2.2～3.6V   \n     中心频率      433MHz   工作范围410-480MHz\n调制方式  FSK,GFSK 可编程配置\n 输出功率   -40～+18dBm 可编程配置 \n接收灵敏度 -110dBm 100Kbps/FSK/433.92MHz\n接收电流  <4mA \n   发射电流    TBD \n        待机电流          <0.3uA请参考芯片工作方式\n 传输速率     0～250Kbps可编程配置\n 通讯距;

ZHRFC

喆华

Sub 1GHz 无线通信芯片

A7139 is a monolithic low-IF architecture CMOS FSK/GFSK TRX for wireless applications in the 315/433/470/868/ 915MHz ISM bands. This device is especially suitable for battery-powered application and the 470MHz ~ 510MHz wireless AMR (Auto Meter Reading) in China and 868.3MHz wireless M-bus in Europe. Small size (QFN 4X4, 24 pins).\nFrequency band: 315/433/470/510/868/915 MHz.\nFSK and GFSK modulation.\nProgrammable data rate from 2Kbps to 250Kbps.\nProgrammable TX power level from – 34 dBm to 20 dBm.\nOn chip regulator, supports input voltage 1.9 ~ 3.6 V.\nDeep sleep current (0.5uA).\nSleep curr;

Amiccom

笙科

2.54mm (.100) Pitch C-Grid짰 PCB Connector, Surface Mount, High Profile, Dual Row, Vertical, 10 Circuits

文件：371.64 Kbytes 页数：4 Pages

Molex

莫仕

2.54mm (.100) Pitch C-Grid짰 PCB Connector, Surface Mount, High Profile, Dual Row, Vertical, 20 Circuits

文件：371.64 Kbytes 页数：4 Pages

Molex

莫仕

2.54mm (.100) Pitch C-Grid짰 PCB Connector, Surface Mount, High Profile, Dual Row, Vertical, 24 Circuits

文件：371.66 Kbytes 页数：4 Pages

Molex

莫仕

2.54mm (.100) Pitch C-Grid짰 PCB Connector, Surface Mount, High Profile, Dual Row, Vertical, 10 Circuits

文件：371.64 Kbytes 页数：4 Pages

Molex

莫仕

2.54mm (.100) Pitch C-Grid짰 PCB Connector, Surface Mount, High Profile, Dual Row, Vertical, 14 Circuits

文件：371.65 Kbytes 页数：4 Pages

Molex

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2.54mm (.100) Pitch C-Grid짰 PCB Connector, Surface Mount, High Profile, Dual Row, Vertical, 40 Circuits

文件：371.65 Kbytes 页数：4 Pages

Molex

莫仕

2.54mm (.100) Pitch C-Grid짰 PCB Connector, Surface Mount, High Profile, Dual Row, Vertical, 64 Circuits

文件：371.65 Kbytes 页数：4 Pages

Molex

莫仕

2.54mm (.100) Pitch C-Grid짰 PCB Connector, Surface Mount, High Profile, Dual Row, Vertical, 10 Circuits

文件：371.65 Kbytes 页数：4 Pages

Molex

莫仕