pef80902 Infineon Technologies Corporation, pef80902 Datasheet - Page 58

• Manufacturer Part Number: pef80902
• Description: T-sminto 4b3t Second Gen. Modular Isdn Nt
• Manufacturer: Infineon Technologies Corporation

3.3
3.3.1
The following blocking circuitry is suggested.
•
Figure 18
3.3.2
The T-SMINTO is connected to the twisted pair via a transformer.
recommended external circuitry with external hybrid. The recommended protection
circuitry is not displayed.
Data Sheet
VDDa_UR
VDDa_UX
VDDa_SR
VDDa_SX
VSSa_SR
VSSa_UX
VSSa_UR
VSSa_SX
VDDD
VDDD
VSSD
VSSD
External Circuitry
Power Supply Blocking Recommendation
U-Transceiver
Power Supply Blocking
1)
These capacitors should be located as near to the pins as possible
100nF
1)
100nF
1)
100nF
1)
50
100nF
1)
100nF
1)
Operational Description
100nF
Figure 19
1)
GND
3.3V
1µF
blocking_caps_Smint.vsd
PEF 80902
2001-11-12
shows the