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參數(shù)資料
| 型號： | TDA5220 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | ASK/FSK Single Conversion Receiver |
| 中文描述： | 詢價/ FSK信號單一轉(zhuǎn)換接收器 |
| 文件頁數(shù)： | 27/44頁 |
| 文件大小： | 719K |
| 代理商： | TDA5220 |
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Applications
4 - 7
TDA 5220
preliminary
Wireless Components
confidential
Target Specification, October 2001
4.5 Data Slicer Threshold Generation
The threshold of the data slicer can be generated using an external R-C inte-
grator as shown in Figure 4-5. The cut-off frequency of the R-C integrator has
to be lower than the lowest frequency appearing in the data signal. In order to
keep distortion low, the minimum value for R is 20k
.
Data_slice1.wmf
Figure 4-5
Data Slicer Threshold Generation with External R-C Integrator
In case of ASK operation another possibility for threshold generation is to use
the peak detector in connection with an internal resistive divider and one capac-
itor as shown in the following figure. The component values are depending on
the coding scheme and the protocol used.
Data_slice2.wmf
Figure 4-6
Data Slicer Threshold Generation Utilising the Peak Detector
Pins:
20
19
R
C
25
data out
U
threshold
data slicer
data
filter
CM
Pins:
25
data out
U
threshold
data slicer
data
filter
26
peak detector
C
56k
CP
390k
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| TDA5220T | 制造商:Infineon Technologies AG 功能描述:RKE RX RECIEVER, TSSOP-28, 3K |
| TDA5220XUMA1 | 制造商:Infineon Technologies AG 功能描述:RF Receiver ASK/FSK 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:RECEIVER SHR FSK/ASK SGL TSSOP28 |
| TDA5221 | 功能描述:射頻接收器 ASK/FSK SNGL Convrsn Receiver 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 |
| TDA5221INCT-ND | 制造商:Infineon Technologies AG 功能描述: |
| TDA5221XUMA1 | 制造商:Infineon Technologies AG 功能描述:RF Receiver ASK/FSK 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:RECEIVER SHR FSK/ASK SGL TSSOP28 |
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