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╒Ж╒╕╓А ╘▒╒║╓А╒б╒╢╓Д╒╢╒е╓А

WF4466TD 200~450MHz Tx Transmitter Wireless RF Chip IC

  • Highly integrated OOK/ASK transmitter
  • High output power, 3 ╒О╒л╒│╒б╒п /+11 ╒д╒д╒┤ / 17 ╒┤╒б
  • Low supply voltage, 1.8 V to 5.5 V operation range
  • ╘│╒╕╓А╒о╒╕╒▓ ╒╗╒е╓А╒┤╒б╒╜╒┐╒л╒│╒б╒╢╒и:-40 to +85тДГ
  • Low external component cost.
  • PLL-based transmitter with frequency range from 200MHz to 450MHz
  • On-chip one-shot circuit
  • 60 dB RF on-off ratio for OOK/ASK modulation
  • SOP8 Package(Built-in coding)

╒Ж╒е╓А╒б╒о╒╕╓В╒й╒╡╒╕╓В╒╢

WF4455 is a high performance OOK/ASK transmitter for the Remote Keyless Entry (╘┐╒╕╒║╒л╒┐) 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.

╘┤╒л╒┤╒╕╓В╒┤╒╢╒е╓А

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

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6 Pins, SOT23-6

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