PEF80912HV14XT Lantiq, PEF80912HV14XT Datasheet - Page 63
PEF80912HV14XT
Manufacturer Part Number
PEF80912HV14XT
Description
Manufacturer
Lantiq
Datasheet
1.PEF80912HV14XT.pdf
(85 pages)
Specifications of PEF80912HV14XT
Lead Free Status / Rohs Status
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Receiver
The receiver of the S-transceiver is symmetrical. 10 k
recommended in each receive path. It is preferable to split the resistance into two
resistors for each line. This allows to place a high resistance between the transformer
and the diode protection circuit (required to pass 96 kHz input impedance test of
ITU I.430 [8] and ETS 300012-1). The remaining resistance (1.8 k ) protects the S-
transceiver itself from input current peaks.
•
Figure 28
3.3.4
Figure 29
•
Figure 29
Data Sheet
SR1
SR2
illustrates the recommended oscillator circuit.
Oscillator Circuitry
External Circuitry S-Interface Receiver
Crystal Oscillator
1k8
1k8
C
C
15.36 MHz
LD
LD
V
DD
55
GND
XOUT
XIN
8k2
8k2
Operational Description
overall resistance are
PEF 80912/80913
extcirc_S.vsd
DC Point
2 : 1
2001-03-29
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