PEB3086HV1.4XT Infineon Technologies, PEB3086HV1.4XT Datasheet - Page 61
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PEB3086HV1.4XT
Manufacturer Part Number
PEB3086HV1.4XT
Description
Manufacturer
Infineon Technologies
Datasheet
1.PEB3086HV1.4XT.pdf
(262 pages)
Specifications of PEB3086HV1.4XT
Control Interface
HDLC
Lead Free Status / Rohs Status
Compliant
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- Download datasheet (4Mb)
Protection Circuit for Transmitter
Figure 29
Figure 29
The external resistors (5 ... 10 W ) are required in order to adjust the output voltage to the
pulse mask on the one hand and in order to meet the output impedance of minimum 20 W
(transmission of a binary zero according to ITU-T I.430) on the other hand.
Two mutually reversed diode paths protect the device against positive or negative
overvoltages on both lines.
An ideal protection circuit should limit the voltage at the SX pins from – 0.4 V to V
+ 0.4 V. With the circuit In
V
becoming active if the 96 kHz test signal is applied while no supply voltage is present.
Data Sheet
DD
+ 0.7 V. The resulting forward voltage of 1.4 V will prevent the protection circuit from
illustrates the secondary protection circuit recommended for the transmitter.
SX1
SX2
External Circuitry for Transmitter
Figure 29
5 ... 10
5 ...10
Ohm
Ohm
the pin voltage range is increased from – 1.4 V to
61
Vdd
Description of Functional Blocks
1:1
21150_23
S Bus
PEB 3086
2003-01-30
ISAC-SX
DD
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