
IDT82P2281
SINGLE T1/E1/J1 LONG HAUL / SHORT HAUL TRANSCEIVER
Physical And Electrical Specifications
353
October 7, 2003
7.9
E1 LINE TRANSMITTER ELECTRICAL CHARACTERISTICS
Parameter
Min.
Typ.
Max
Unit
Output pulse amplitudes
E1, 75
load:
E1, 120
load:
Zero (space) level
E1, 75
load:
E1, 120
load:
Transmit amplitude variation with supply
Difference between pulse sequences for 17 consecutive pulses (T1.102)
Output pulse width at 50% of nominal amplitude
Ratio of the amplitudes of Positive and Negative pulses at the center of the pulse interval (G.703)
Ratio of the width of Positive and Negative pulses at the center of the pulse interval (G.703)
Transmit Return Loss (G.703)
E1, 75
/ 120
51 KHz - 102 KHz:
102 KHz - 2.048 MHz:
2.048 MHz - 3.072 MHz:
Intrinsic Transmit Jitter (TSCK is jitter free)
20 Hz - 100 KHz
Line short circuit current
2.14
2.7
2.37
3.0
2.60
3.3
V
V
-0.237
-0.3
-1
0.237
0.3
+1
200
256
1.05
1.05
V
V
%
mV
ns
232
0.95
0.95
244
20
15
12
dB
dB
dB
0.050
U.I.
mA
Ip-p
110