The TDA5101A ASK 315 MHz emitter circuit

Published:2011/6/16 20:26:00 Author:qqtang | Keyword: emitter circuit | From:SeekIC

TDA5101A is an emitter chip with high-power amplifiers, which can be used in the non-key input system, remote control system, communication system and secure system. Its technological features are as follows: the working frequency is 315 MHz; ASK modulation method; the voltage of the power supply is 2.1v~4v; it has low-voltage detection output; the maximum working current is 9mA(emitting function), the standby current is 100nA; it has a efficient power amplifier. The circuit can drive a loop aerial and the current is low, which prolongs the life span of the battery.



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