PTC PT4450
PT4450 is a high performance ASK/OOK transmitter for the Remote Keyless Entry (RKE) systems. It consists of a SAW oscillator, power amplifier, and one-shot circuit which control the SAW oscillator and power amplifier.DESCRIPTION
FEATURES
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● Highly integrated ASK/OOK transmitter High output power, 3V/+10dBm/18mA Low supply voltage (2.2V to 3.6V operation range) Low external component cost. SAW-based oscillator, frequency range from 250MHz to 500MHz On-chip one-shot circuit 50dB RF on/off ratio Available in 6 pins, SOT-23 package
APPLICATIONS
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● Keyless entry systems Remote control systems Garage door openers Alarm systems Security systems Wireless sensors PT4450 PRE1.0 -1- August, 2007 datasheet pdf - Tel: 886-2-66296288 Fax: 886-2-29174598 URL: SAW-based ASK/OOK Transmitter IC Preliminary PT4450 BLOCK DIAGRAM OSCIN VDD DIN Regulator One Shot PA Output matching network OSCOUT VSS PAOUT PT4450 PRE1.0 -2- August, 2007 datasheet pdf - Tel: 886-2-66296288 Fax: 886-2-29174598 URL: SAW-based ASK/OOK Transmitter IC Preliminary PT4450 PIN CONFIGURATION PIN
DESCRIPTION
Pin Name OSCOUT VSS PAOUT DIN VDD OSCIN I/O O G O I P IDESCRIPTION
Oscillator output Ground connection Power amplifier output Data input, it will also be used to enable the chip Power supply Oscillator input Pin No.