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T5743

ATMEL Corporation
Part Number T5743
Manufacturer ATMEL Corporation
Description UHF ASK/FSK Receiver
Published May 1, 2007
Detailed Description Features • • • • • • • • • • • • • • • • • • Two Different IF Receiving Bandwidth Versions Are Available (BIF = 300 kHz ...
Datasheet PDF File T5743 PDF File

T5743
T5743

Overview
Features • • • • • • • • • • • • • • • • • • Two Different IF Receiving Bandwidth Versions Are Available (BIF = 300 kHz or 600 kHz) 5 V to 20 V Automotive Compatible Data Interface IC Condition Indicator, Sleep or Active Mode Low Power Consumption Due to Configurable Self Polling with a Programmable Timeframe Check High Sensitivity, Especially at Low Data Rates Data Clock Available for Manchester- and Bi-phase-coded Signals Minimal External Circuitry Requirements, no RF Components on the PC Board Except Matching to the Receiver Antenna Sensitivity Reduction Possible Even While Receiving Fully Integrated VCO SO20 Package Supply Voltage 4.
5 V to 5.
5 V, Operating Temperature Range -40°C to +105°C Single-ended RF Input for Easy Adaptation to λ/4 Antenna or Printed Antenna on PCB Low-cost Solution Due to High Integration Level ESD Protection According to MIL-STD.
883 (4KV HBM) High Image Frequency Suppression Due to 1 MHz IF in Conjunction with a SAW Frontend Filter.
Up to 40 dB is Thereby Achievable With State-of-the-art SAWs.
Communication to Microcontroller Possible Via a Single, Bi-directional Data Line Power Management (Polling) Is Also Possible by Means of a Separate Pin Via the Microcontroller Programmable Digital Noise Suppression UHF ASK/FSK Receiver T5743 Preliminary Description The T5743 is a multi-chip PLL receiver device supplied in an SO20 package.
It has www.
DataSheet4U.
com been especially developed for the demands of RF low-cost data transmission systems with data rates from 1 kBaud to 10 kBaud in Manchester or Bi-phase code.
The receiver is well suited to operate with Atmel's PLL RF transmitter U2741B.
Its main applications are in the areas of telemetering, security technology and keyless-entry systems.
It can be used in the frequency receiving range of f0 = 300 MHz to 450 MHz for ASK or FSK data transmission.
All the statements made below refer to 433.
92 MHz and 315 MHz applications.
System Block Diagram Figure 1.
System Block Diagram UHF ASK/FSK Rem...


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