PSB2186N-V11TR Infineon Technologies, PSB2186N-V11TR Datasheet - Page 50
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PSB2186N-V11TR
Manufacturer Part Number
PSB2186N-V11TR
Description
IC ISDN SUBSCRIB ACCESS 44-PLCC
Manufacturer
Infineon Technologies
Datasheet
1.PSB2186N-V11TR.pdf
(240 pages)
Specifications of PSB2186N-V11TR
Controller Type
Subscriber Access Controller (ISDN)
Interface
4-Wire SPI Serial
Voltage - Supply
4.75 V ~ 5.25 V
Current - Supply
17mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Request inventory verification / Request inventory verification
Other names
PSB2186N-V11INTR
PSB2186N-V11TR
PSB2186N-V11TR
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2.4.5
2.4.5.1
In order to additionally reduce the bit error rate in severe conditions, the ISAC-S TE performs
oversampling of the received signal and uses majority decision logic.
As illustrated in figure 27, each received bit is sampled 29 times at 7.68-MHz clock intervals
inside the estimated bit window. The samples obtained are compared against a threshold
VTR1 or VTR2 (see section: Adaptive Receiver Characteristics).
If at least 16 samples have an amplitude exceeding the selected threshold, a logical "0" is
considered to be detected, otherwise a logical "1" (no signal) is considered detected.
Figure 27
S/T-Receive Signal Oversampling
Semiconductor Group
V
V
TR1
SR2
or
-
V
V
SR1
0 V
TR2
Receiver Functions
Receive Signal Oversampling
1
2
3
4
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8
9
10
11
12
13
14
Derived 192-kHz Receive Bit Period
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Functional Description
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ITD02361
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