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)： 47/88頁
文件大?。?/td> 2086K
代理商： TDA5251F1
TDA5251 F1
Version 1.0
Application
Preliminary Specification
47
2003-02-18
Confidential
3.2
Crystal Oscillator
The equivalent schematic of the crystal with its parameters specified by the crystal manufacturer
can be taken from the subsequent figure.
Here also the load capacitance of the crystal CL, which the crystal wants to see in order to oscillate
at the desired frequency, can be seen.
Crystal.wmf
Figure 3-12
Crystal
L
1
:
C
1
:
C
0
:
motional inductance of the crystal
motional capacitance of the crystal
shunt capacitance of the crystal
Therefore the
Resonant Frequency f
s of the crystal is defined as:
The
Series Load Resonant Frequency f
S‘ of the crystal is defined as:
regarding
Figure 3-12
f
s
’ is the nominal frequency of the crystal with a specified load when tested by the crystal
manufacturer.
Pulling Sensitivity
of the crystal is defined as the magnitude of the relative change in frequency
relating to the variation of the load capacitor.
L
1
C
1
R
1
C
0
C
L
-R
[3 – 14]
1
1
*
L
2
1
C
f
S
L
S
C
C
C
C
L
f
0
1
1
1
1
*
*
2
1
`
[3 – 13]
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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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