对讲机收发电路

XN239是一款用于UHF频段收发机的多功能单片对讲机收发电路。该产品可由来自MPU的串行数据进行控制，能够减少大量的外围器件，适用于音频收发机等对讲机收发系统。\r\n\r\n XN239采用QFN56封装，工作温度范围－40℃～＋85℃。 • RF频率：400MHz~500MHz范围\r\n• 双变频系统\r\n• 电流功耗：TX =51mA，RX=20mA，BS=0uA（典型值）\r\n• 接收器灵敏度：-120dBm\r\n• 内置电源检测功能\r\n• 单片供电;

Amplifier Transistors

Amplifier Transistors NPN Silicon

Amplifier Transistors

Amplifier Transistors NPN Silicon

Quad Single Supply Comparators

These comparators are designed for use in level detection, low–level sensing and memory applications in consumer automotive and industrial electronic applications. 1. Single or Split Supply Operation 2. Low Input Bias Current: 25 nA (Typ) 3. Low Input Offset Current: ±5.0 nA (Typ) 4. Low Inp

Quad Single Supply Comparators

These comparators are designed for use in level detection, low–level sensing and memory applications in consumer automotive and industrial electronic applications. 1. Single or Split Supply Operation 2. Low Input Bias Current: 25 nA (Typ) 3. Low Input Offset Current: ±5.0 nA (Typ) 4. Low Inp

Quad Single Supply Comparators

These comparators are designed for use in level detection, low–level sensing and memory applications in consumer automotive and industrial electronic applications. 1. Single or Split Supply Operation 2. Low Input Bias Current: 25 nA (Typ) 3. Low Input Offset Current: ±5.0 nA (Typ) 4. Low Inp