Datasheet > PT4303

PT4303

更新时间： 2024-11-07 01:19:19

品牌	Logo	应用领域
普诚科技 - PTC		/
页数	文件大小	规格书
4页	229K
描述
Low Power Super-heterodyne OOK/ASK Receiver

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PT4303 数据手册

PT4303

Low Power Super-heterodyne

OOK/ASK Receiver

DESCRIPTION

FEATURES

The PT4303 is a low power superheterodyne

OOK/ASK receiver for the 315/433.92 MHz frequency

bands. It offers a high level of integration and requires

only few external components. The PT4303 consists of

a low-noise amplifier (LNA), a down-conversion mixer,

an on-chip phase-locked loop (PLL) with integrated

voltage-controlled oscillator (VCO) and loop filter, an

OOK/ASK demodulator, a data filter, a data slicing

comparator and an on-chip regulator. The PT4303

also implements a discrete one-step automatic gain

control (AGC) to extend the dynamic range of the

received RF signal.



Ultra-low power consumption: 2.7 mA for full

operation (315 MHz)



Few external components

Excellent sensitivity on the order of –110 dBm

(peak ASK signal level at 315 MHz)

2.4 V to 5.5 V supply voltage range

250 MHz to 500 MHz frequency range

Data rate up to 10 Kb/s



APPLICATIONS



Automotive remote keyless entry (RKE)

Remote control

Garage door and gate openers

Suitable for applications that meet either the

European ETSI-300-220 or the North American

FCC (Part 15) regulatory standards

The PT4303 is available in a 14-pin SOP package and

is specified over the extended temperature range (–40

to +85°C).

BLOCK DIAGRAM

VDD5

REFOSC

VLO

CTH

VSSBB

On-Chip

Regulator

Reference

Oscillator

Comparator

R_TH

Data Filter

(LPF)

PLL

OOK/ASK

Demodulator

AGC

Buffer

LNA

Mixer

Amplifier

VSSLO

VSSRF

ANT

VRF

MIXOUT

VBB

IFIN

Tel: 886-2-66296288‧Fax: 886-2-29174598‧ http://www.princeton.com.tw‧2F, No. 233-1, Baociao Rd., Sindian Dist., New Taipei City 23145, Taiwan

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