
GTS/DEC/006
4
TABLE 5
Bit synchronizer inputs
PARAMETER
MIN.
TYP.
MAX.
UNITS
CONDITION/DETAILS
Inputs
–
–
3
–
Input signal amplitude
PCM_IN_ANALOG[2:0]
0.3
–
20
V
pp
Peak-to-peak.
Input sources
–
–
–
–
Single ended or differential (selectable via jumpers).
Impedance
–
–
–
–
50Ω or 75Ω (selectable via jumpers).
Bit-rate
NRZ-L/M/S, RNRZ-L
11/13/15/17/23
0.0128
–
20,000
kbps
BIØ-L
0.064
–
10,000
kbps
Maximum DC offset
single ended
-5
–
5
V
differential ended
-10
–
10
V
TABLE 6
Bit synchronizer performance
PARAMETER
MIN.
TYP.
MAX.
UNITS
CONDITION/DETAILS
Loop bandwidth
0.01
–
2.0
%
Offset bandwidth
–
100
–
%
Gain bandwidth
–
100
–
%
Acquisition range
0.04
–
5
%
Tracking range
0.1
–
20
%
Bit Error Rate
0.2
–
1
dB
Deviation from theory.
Sync maintenance
–
–
–
–
Retains sync with NRZ codes at EbNo = 3dB with 248
transition gaps every 1,024 bits.
TABLE 7
Smart Source Selector performance
PARAMETER
MIN.
TYP.
MAX.
UNITS
CONDITION/DETAILS
Match window size
0
60
64
Bits
Worst case match time
–
–
1,200
Bits