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): 63/88頁
文件大?。?/td> 2086K
代理商: TDA5251F1
TDA5251 F1
Version 1.0
Application
Preliminary Specification
63
2003-02-18
Confidential
SLC_PkD.wmf
Figure 3-24
Slicer Level using Peak Detector
For applications requiring fast attack and slow release from the threshold value it is reasonable to
use the peak detectors. The threshold value is generated by an internal voltage divider. The release
time is defined by the internal resistance values and the external capacitors.
PkD_timing.wmf
Figure 3-25
Peak Detector timing
+ Peak
Detector
- Peak
Detector
12
14
SLC
PDN
100k
100k
Vcc
DataSlicer
+
-
13
PDP
28
DATA
Contr.
Logic
Data
Filter
100k
R
C
P
C
N
Slicer Threshold
R1
R2
Signal
Vcc
p
posPkD
C
k
100
n
negPkD
C
k
100
[3 – 33]
[3 – 32]
Signal
t
Threshold SLC(pin14)
Pos. Peak Detector (pin13)
Neg. Peak Detector (pin12)
posPkD
negPkD
Signal
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