PT4455 transmitter equivalent, pll-based ook/ask transmitter.
* Highly integrated OOK/ASK transmitter
* High output power, 3 V /+11 dBm / 17 mA
* Low supply voltage, 2.2 V to 3.6 V operation range
* Low external comp.
* Keyless entry systems
* Remote control systems
* Garage door openers
* Alarm systems
* Security sy.
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 co.
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