PT4455 Overview
Description
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.
Key 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
