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參數(shù)資料
| 型號： | SSTAR-01 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通信及網(wǎng)絡 |
| 英文描述： | SPECIALTY TELECOM CIRCUIT |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 40K |
| 代理商： | SSTAR-01 |
Feature Sheet
1
Advanced
868MHz Direct Sequence Spread
Spectrum Single Chip Transceiver
SSTAR-01
WavePlex Wireless Products
Typical Application
SCADA, EPOS
Telemetry
Remote Alarm Systems
Data Logging Systems
Date Collection Systems
RFID Tags
Product Description
The SSTAR-01 is a Direct Sequence Spread Spectrum Integrated Transceiver Circuit in CMOS
technology. The design incorporates fast data acquisition, in a wide frequency range, allowing the use
of low-cost crystals. The innovative use of an adaptive notch filter ensures data reception even when a
strong in-band interferer is present. The RF circuitry in the DSSS Transceiver has been designed for
optimal performance in the 868MHz ISM (Industrial-, Scientific-, Medical-) band for Short Range
Devices.
The baseband circuitry has been optimized for fast acquisition and low power consumption and can be
used in most data collection system applications. The use of discrete components is largely eliminated
by completely integrating the radio, together with the digital signal processing functions in a single
chip, thus allowing for a very cost effective system solution. Simplified application software design is
made possible by integrating data processing functions in the design, including CRC checks, data
buffering and stuffing. The additional processing tasks require only a simple 8 bit microcontroller.
Use of the direct sequence transmit signaling method with appropriate DSP processing in the receiver
allows the suppression of typical interfering signals better than any other modulation type.
The receiver is also extremely robust against multi-path and ISI (Inter Symbol Interference) due to the
usage of Spread Spectrum.
PLL
Parallel Interface
Serial
Com
TX
transmitter
RX Data
Interface
TX Data
Interface
ADC
RX
Digital
Signal
Processor
Timer
power
manager
control
8 bit micro
controller
SSTAR-01
Functional Block Diagram
Key Features
ETSI EN300-220 compliant
DSSS single chip 868MHz Transceiver
15 dB Processing Gain
features 3 DSP functions
-105 dBm RX sensitivity
duty cycle based low power consumption
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