PEB3086FV14XP Lantiq, PEB3086FV14XP Datasheet - Page 61
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PEB3086FV14XP
Manufacturer Part Number
PEB3086FV14XP
Description
Manufacturer
Lantiq
Datasheet
1.PEB3086FV14XP.pdf
(262 pages)
Specifications of PEB3086FV14XP
Control Interface
HDLC
Lead Free Status / Rohs Status
Compliant
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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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