PT4450
is a high performance ASK/OOK transmitter for the RKE (Remote Keyless
Entry) systems. Which consists of a SAW oscillator, power amplifier,
and one-shot circuit to control SAW oscillator and power amplifier.
Features
High integrate ASK/OOK transmitter
High output power, 3V /10dBm /14mA
Low supply voltage (2.2 V to 3.6 V voltage operation range)
Low external component cost.
SAW-based oscillator, frequency range from 250MHz to 500MHz