Productos

WF4455TD 250~450MHz PLL-basado OOK/ASK Tx Transmisor Inalámbrico RF Chip IC

  • Highly integrated OOK/ASK transmitter
  • High output power, 3 V /+11 dBm / 17 mamá
  • Low supply voltage, 2.2 V to 3.6 V operation range
  • Low external component cost.
  • PLL-based transmitter with frequency range from 250MHz to 450MHz
  • On-chip one-shot circuit
  • 60 dB RF on-off ratio for OOK/ASK modulation
  • SOT23-6 package

Introducción

WF4455 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 have fast start-up time in operation.

Aplicaciones

◼ Keyless entry systems
◼Remote control systems
◼Garage door openers
◼Alarm systems
◼Security systems
◼Wireless sensors

INFORMACIÓN DEL PAQUETE

6 Pins, SOT23-6

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