PT4455 Datasheet (Princeton Technology) - PLL-based OOK/ASK Transmitter

PT4455, PLL-based OOK/ASK Transmitter

PT4455 is a high performance OOK/ASK transmitter for the Remote Keyless Entry (RKE) systems.

It consists of a power amplifier, one-shot circuit and phase-locked loop with internal voltage controlled oscillator and loop filter.

The one-shot circuit control the phase-locked loop and power amplifier to

PT4455 Features

* Highly integrated OOK/ASK transmitter

* High output power, 3V /+11dBm /17mA

* Low supply voltage, 2.2V to 3.6V operation range

* Low external component cost.

* PLL-based transmitter with frequency range from 300MHz to 450MHz

* On-chip one-shot circuit

* 60dB RF on-off r