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ASK 315 MHz transmitter circuit

2016-04-11 14:50  
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ASK 315 MHz transmitter circuit
TDA510lA is a transmitter chip of high efficiency power amplifier. It can be used in keyless entry systems, remote control systems, communications and security systems. The main technical features are as follows: Work frequency band is 315 MHz; ASK modulation;Power supply voltage is 2.1 ~ 4 V;Low voltage detection output is available;Maximum operating current is 9 mA (emission enabled), and standby mode current is l00 nA;It has high efficient power amplifier. And the amplifier can drive the loop antenna with low current consumption and extend service life of the battery.