TDA5250D2_07 INFINEON [Infineon Technologies AG], TDA5250D2_07 Datasheet - Page 66

• Manufacturer Part Number: TDA5250D2_07
• Description: ASK/FSK 868MHz Wireless Transceiver
• Manufacturer: INFINEON [Infineon Technologies AG]

Figure 3-26
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.
Figure 3-27
Data Sheet
Signal
Slicer Level using Peak Detector
Peak Detector timing
Signal
τ
τ
τ
negPkD
negPkD
posPkD
= 100
= 100
66
k
k
Ω
Ω
⋅
C
⋅
τ
C
p
posPkD
n
Pos. Peak Detector (pin13)
Neg. Peak Detector (pin12)
Threshold SLC(pin14)
t
TDA5250 D2
Version 1.7
Application
2007-02-26
PkD_timing.wmf
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SLC_PkD.wmf