參數(shù)資料
型號(hào)： TDA5251F1
廠商： INFINEON TECHNOLOGIES AG
英文描述： ASK/FSK 315MHz Wireless Transceiver
中文描述： 詢價(jià)/ FSK信號(hào)315MHz的無(wú)線收發(fā)器
文件頁(yè)數(shù)： 72/88頁(yè)
文件大?。?/td> 2086K
代理商： TDA5251F1
TDA5251 F1
Version 1.0
Application
Preliminary Specification
72
2003-02-18
Confidential
The best sensitivity performance can be achieved using a data filter bandwidth of 1.25 times the
maximum occuring data frequency.
The IQ filter setting is depending on the modulation type. ASK needs an IQ filter of 50kHz, 30kHz
deviation at FSK recommend a 50kHz IQ filter.
A very practicable configuration is to set the chip-internal adjustable IQ filter to the sum of FSK peak
deviation and maximum datafrequency. Concerning these aspects the bandwidth should be chosen
small enough. With respect to both, the crystal tolerances and the tolerances of the crystal oscillator
circuit of receiver and transmitter as well, a too small IQ filter bandwidth will reduce the sensitivity
again. So a compromise has to be made. For further details on chip tolerances see also
Section
3.2.7
3.10.2
BER performance depending on Supply Voltage
Due to the wide supply voltage range of this transeiver chip also the sensitivity behaviour over this
parameter is documented is the subsequent graph.
BER_VCC.wmf
Figure 3-35
BER supply voltage
Please notice the tiny sensitivity changes of less than 1dB, when variing the supply voltage.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA5251F1_07 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:ASK/FSK 315MHz Wireless Transceiver
TDA5251XUMA1 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:TXRX FSK/ASK SGL LP TSSOP-38
TDA5252 功能描述:射頻接收器 ASK/FSK WIRELESS 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
TDA5252G2 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:ASK/FSK 915MHz Wireless Transceiver
TDA5252XUMA1 制造商:Infineon Technologies AG 功能描述:RF Transceiver ASK/FSK 2.5V/3.3V/5V 38-Pin TSSOP 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:TXRX FSK/ASK SGL LP TSSOP-38
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