FM signal generating circuit diagram: ASK 315 MHz transmitter circuit diagram
TDA510lA is efficient transmitter power amplifier chip, can be used in keyless entry systems, remote control systems, communications and security systems.
The main technical features are as follows:
• Operating frequency is 315 MHz;
• ASK modulation;
• Power supply voltage of 2.1 ~ 4 V;
• Low voltage detection output;
• The maximum operating current of 9 mA (transmit enabled), Standby mode current of l00 mA;
• have efficient power amplifier. Can drive a loop antenna and the current consumption, extending battery life.
TDA5101A Application Circuit
TDA5101A application circuit component parameters device parameters