SI5023 Datasheet, PDF (16/28 Pages) Silicon Laboratories – MULTI-RATE SONET/SDH CDR IC WITH LIMITING AMPLIFIER

Si5023
0.900
0.800
0.700
0.600
0.500
0.400
0.300
0.200
0.100
0.000
-0.100
1.E-09
1.E-08
Range of Operation
1.E-07
1.E-06
1.E-05
Bit Error Rate
Note: For Bit Error Rate < 1.E-09, BERMON (V) is < 0.3 V.
1.E-04
0.84 to 0.87 V max
Typical
Limit
1.E-03
1.E-02
1.E-01
Figure 10. Si5023 OC-12/OC-3 BERMON Voltage Characteristics
Si5023 CDR
BERMO
N
6.8 µF
13.7 kΩ
5 kΩ^∗
1%
13.7 kΩ
1Hz
LPF
6.8
µF
(Optional)
Voltage
Comparator
BER Set
Point
*Note: See Table 9 (Si5023 Pin Descriptions)
Figure 11. Si5023 BERMON Application Schematic
16
Rev. 1.25