參數(shù)資料
型號： TDA5251F1
廠商： INFINEON TECHNOLOGIES AG
英文描述： ASK/FSK 315MHz Wireless Transceiver
中文描述： 詢價/ FSK信號315MHz的無線收發(fā)器
文件頁數(shù)： 39/88頁
文件大?。?/td> 2086K
代理商： TDA5251F1
TDA5251 F1
Version 1.0
Application
Preliminary Specification
39
2003-02-18
Confidential
Measured Magnitude of S11 of evalboard:
S11_measured_315.pcx.
Figure 3-3
S11 measured
Above you can see the measured S11 of the evalboard. The –3dB-points are at 288MHz and
344MHz. So the 3dB-bandwidth is:
The loaded Q of the resonant circuit is:
center
f
L
Q
The unloaded Q of the resonant circuit is equal to the Q of the inductor due to its losses.
An approximation of the losses of the input matching network can be made with the formula:
MHz
MHz
MHz
L
f
U
f
B
56
288
344
[3 – 1]
[3 – 2]
6
56
315
MHz
MHz
B
MHz
INDUCTOR
Q
U
Q
315
@
27
[3 – 3]
[3 – 4]
dB
U
Q
L
Q
LOSS
2
27
6
1
log
*
20
1
log
*
20
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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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