IDT82P2288(2009) 查看數據表（PDF） - Integrated Device Technology
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IDT82P2288 Datasheet PDF : 362 Pages
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IDT82P2288
OCTAL T1/E1/J1 LONG HAUL / SHORT HAUL TRANSCEIVER
Parameter
Transmit Return Loss
39 KHz - 77 KHz:
77 KHz - 1.544 MHz:
1.544 MHz - 2.316 MHz:
Intrinsic Transmit Jitter (TSCK is jitter free)
10 Hz - 8 KHz:
8 KHz - 40 KHz:
10 Hz - 40 KHz:
wide band:
Line short circuit current
Min.
Typ.
20
15
12
110
7.9 E1 LINE TRANSMITTER ELECTRICAL CHARACTERISTICS
Parameter
Min.
Typ.
Output pulse amplitudes
E1, 75Ω load:
E1, 120Ω load:
2.14
2.37
2.7
3.0
Zero (space) level
E1, 75Ω load:
E1, 120Ω load:
-0.237
-0.3
Transmit amplitude variation with supply
-1
Difference between pulse sequences for 17 consecutive pulses (T1.102)
Output pulse width at 50% of nominal amplitude
232
244
Ratio of the amplitudes of Positive and Negative pulses at the center of the pulse interval
0.95
(G.703)
Ratio of the width of Positive and Negative pulses at the center of the pulse interval (G.703)
0.95
Transmit Return Loss (G.703)
E1, 75 Ω / 120 Ω
51 KHz - 102 KHz:
20
102 KHz - 2.048 MHz:
15
2.048 MHz - 3.072 MHz:
12
Intrinsic Transmit Jitter (TSCK is jitter free)
20 Hz - 100 KHz
Line short circuit current
110
7.10 JITTER TOLERANCE
7.10.1 T1/J1 MODE
Jitter Tolerance
Min.
Typ.
Max
Unit
1 Hz
138.0
U.I.
4.9 Hz - 300 Hz
28.0
U.I.
10 KHz - 100 KHz
0.4
U.I.
Max
0.020
0.025
0.025
0.050
Unit
dB
dB
dB
U.I.p-p
U.I.p-p
U.I.p-p
U.I.p-p
mA
Ip-p
Max
Unit
2.60
V
3.3
V
0.237
V
0.3
V
+1
%
200
mV
256
ns
1.05
1.05
dB
dB
dB
0.050
U.I.
mA
Ip-p
Standard
AT&T 62411
Physical And Electrical Specifications
351
March 04, 2009
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