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PT4305 Datasheet Preview

PT4305 Datasheet

315 MHz / 433.92 MHz PLL Tuned Low Power FSK Receiver

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Preliminary
PT4305
315 MHz / 433.92 MHz
PLL Tuned Low Power FSK Receiver
DESCRIPTION
The PT4305 is a PLL-tuned FSK receiver for
short-range wireless data applications in the 315 MHz
and 434 MHz frequency bands. The PT4305 offers a
high level of integration and only requires few external
components.
The PT4305’s receive section includes a low-noise
amplifier, image-reject mixer, IF band-pass filter,
limiting amplifier, and frequency-shift keying (FSK)
demodulator and also includes automatic gain control
(AGC). A switched-capacitor data filter further filters
the signal after the demodulator before a slicing
comparator restores the data to full-swing CMOS logic
levels.
The local oscillator sub-system consists of a
phase-locked loop (PLL) based on a crystal oscillator
reference. The receiver channel frequency is
determined by the choice of the crystal frequency.
A built-in voltage regulator provides improved power
supply rejection (PSR) and extends the supply voltage
range from 2.4 V to 5.5 V.
The PT4305 is available in a 16-pin SSOP package
and its operation is specified over the temperature
range from 40 to +85 °C.
BLOCK DIAGRAM
FEATURES
Supply voltage range: 2.4 V to 5.5 V
Low current consumption: 5.2 mA (typical) at 433.92
MHz
Supported data rate range: 1 Kb/s to 10 Kb/s
Few external components
Image-reject mixer
On-chip auto-tuned channel-select band-pass filter
Received signal strength indicator (RSSI)
Leader-code detection
16-pin SSOP package
APPLICATIONS
Remote keyless entry (RKE) systems
Remote control
Home security and alarm
Wireless toy control
Personal/patient data logging
Remote automatic meter reading




PTC

PT4305 Datasheet Preview

PT4305 Datasheet

315 MHz / 433.92 MHz PLL Tuned Low Power FSK Receiver

No Preview Available !

433.92 MHz APPLICATION EXAMPLE
PT4305
PRE1.1
2
May 2014


Part Number PT4305
Description 315 MHz / 433.92 MHz PLL Tuned Low Power FSK Receiver
Maker PTC
PDF Download

PT4305 Datasheet PDF






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9 PT4305 315 MHz / 433.92 MHz PLL Tuned Low Power FSK Receiver
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