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參數(shù)資料
| 型號： | TDA5250D2 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | ASK/FSK 868MHz Wireless Transceiver |
| 中文描述： | 詢價/ FSK信號868MHz無線收發(fā)器 |
| 文件頁數(shù)： | 8/97頁 |
| 文件大?。?/td> | 2328K |
| 代理商： | TDA5250D2 |
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Product Description
2 -
2
TDA 5250 D2
preliminary
Wireless Components
confidential
Specification, July 2002
2.1
Overview
The IC is a low power consumption single chip FSK/ASK Transceiver for the fre-
quency band 868-870 MHz. The IC combines a very high level of integration
and minimum external part count. The device contains a low noise amplifier
(LNA), a double balanced mixer, a fully integrated VCO, a PLL synthesizer, a
crystal oscillator with FSK modulator, a limiter with RSSI generator, an FSK
demodulator, a data filter, a data comparator (slicer), a positive and a negative
data peak detector, a highly efficient power amplifier and a complex digital tim-
ing and control unit with I
2
C/3-wire microcontroller interface. Additionally there
is a power down feature to save battery power.
The transmit section uses direct ASK modulation by switching the power ampli-
fier, and crystal oscillator detuning for FSK modulation. The necessary detuning
load capacitors are external. The capacitors for fine tuning are integrated. The
receive section is using a novel single-conversion/direct-conversion scheme
that is combining the advantages of both receive topologies. The IF is contained
on the chip, no RF channel filters are necessary as the channel filter is also on
the chip.
The self-polling logic can be used to let the device operate autonomously as a
master for a decoding microcontroller.
2.2
Applications
I
Low Bitrate Communication Systems
I
Keyless Entry Systems
I
Remote Control Systems
I
Alarm Systems
I
Telemetry Systems
I
Electronic Metering
I
Home Automation Systems
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TDA5250D2_07 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:ASK/FSK 868MHz Wireless Transceiver |
| TDA5250T | 制造商:Infineon Technologies AG 功能描述:RKE TX/RX TRANCEIVER TSSOP-38 |
| TDA5250XUMA1 | 制造商:Infineon Technologies AG 功能描述:RF Transceiver ASK/FSK 2.5V/3.3V/5V T/R 制造商:Infineon Technologies AG 功能描述:CONTROL - Tape and Reel 制造商:Infineon Technologies AG 功能描述:TX/RX ASK/FSK 868-870MHZ 38TSSOP |
| TDA5251 | 功能描述:射頻接收器 2.1 - 5.5V FSK/ASK Transceiver RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| TDA5251F1 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:ASK/FSK 315MHz Wireless Transceiver |
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