78P2352-IELR/F View Datasheet(PDF) - Unspecified
Part Name
Description
MFG CO.
'78P2352-IELR/F' PDF : 42 Pages View PDF
78P2352
Dual Channel
OC-3/ STM1-E/ E4 LIU
ELECTRICAL SPECIFICATIONS (continued)
RECEIVER SPECIFICATIONS FOR CMI INTERFACE (Transformer-coupled)
Consult application note for reference schematic, layout guidelines, and recommended transformers.
PARAMETER
CONDITION
MIN TYP MAX
Peak Differential Input
Amplitude, RXxP and RXxN
Peak Differential Input
Amplitude, RXxP and RXxN
Flat-loss Tolerance
Receive Clock Jitter
Latency
PLL Lock Time
Return Loss
CMI mode; MON=0;
12.7dB of cable loss
CMI mode; MON=1;
20dB flat loss w/ 6dB of cable loss
CMI mode; MON=0;
All valid cable lengths.
STM-1 mode; CMI mode;
12.7 dB cable loss
a) Normal receive mode
b) Remote loopback mode
7MHz to 240MHz
70
550
25
80
-2
6
0.1
0.07
5
10
1
10
15
UNIT
mVpk
mVpk
dB
UIpp
UIpp
UI
µs
dB
The input signal is assumed compliant with ITU-T G.703 and can be attenuated by the dispersive loss of a
cable. The minimum cable loss is 0dB and the maximum is –12.7dB at 78MHz.
The “Worst Case” line corresponds to the ITU-T G.703 recommendation. The “Typical” line corresponds to a
typical installation referred to in ANSI T1.102-1993. The receiver is tested using the cable model. It is a lumped
element approximation of the “Worst Case” line.
30
25
20
15
10
5
0
1.00E+05
1.00E+06
1.00E+07
Frequency (Hz)
1.00E+08
Worst Case
Typical
1.00E+09
Figure 15: Typical and worst-case Cable attenuation
Page: 34 of 42
2006 Teridian Semiconductor Corporation
Rev. 2.4
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