lxt384 Intel Corporation, lxt384 Datasheet - Page 99

• Manufacturer Part Number: lxt384
• Description: Octal T1/e1/j1 Short Haul Transceiver
• Manufacturer: Intel Corporation

Document Number: 248994
Revision Number: 004
Revision Date: September 22, 2005
Table 61. Intel
Table 62. Intel
Table 61
Output pulse
amplitude
Peak voltage of a
space
Transmit amplitude variation with supply
Difference between pulse sequences
Pulse width ratio of the positive and negative
pulses
Transmit transformer turns ratio for
75/120Ω characteristic impedance
Transmit return
loss 75 Ω coaxial
cable
Transmit return
loss 120 Ω twisted
pair cable
Transmit intrinsic jitter: 20Hz to 100kHz
Transmit path
delay
Output pulse amplitude
Peak voltage of a space
Driver output impedance
Transmit amplitude variation with power
supply
Ratio of positive to negative pulse amplitude
Difference between pulse sequences
Pulse width variation at half amplitude
Jitter added by
Transmitter
1. Guaranteed by design and other correlation methods.
1. Guaranteed by design and other correlation methods.
2. Power measured in a 3 KHz bandwidth at the point the signal arrives at the distribution frame for an all 1’s
pattern.
®
®
1
LXT384 Transceiver E1 Transmit Transmission Characteristics
LXT384 Transceiver T1 Transmit Transmission Characteristics (Sheet 1 of 2)
(E1) and
1
1
Parameter
Parameter
Table 62
75Ω
120Ω
75Ω
120Ω
51kHz to 102 kHz
102 kHz to 2.048 MHz
2.048 MHz to 3.072 MHz
51kHz to 102 kHz
102 kHz to 2.048 MHz
2.048 MHz to 3.072 MHz
Bipolar mode
Unipolar mode
10Hz - 8KHz
8KHz - 40KHz
10Hz - 40KHz
Wide Band
1
(T1) list the AC characteristics for the LXT384 Transceiver transmitter.
Intel
®
LXT384 Octal T1/E1/J1 S/H PCM Transceiver with JA
Sym
Sym
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
-0.237
-0.15
Min.
0.95
Min.
2.14
0.95
2.4
-0.3
2.7
-1
15
15
15
15
15
15
–
–
–
–
-1
–
Typ
3.0
0.030
–
1
–
–
–
–
–
2.37
Typ
3.0
1:2
17
17
17
20
20
20
2
7
+0.15
0.020
0.025
0.025
0.050
Max
1.05
200
3.6
+1
20
–
0.237
0.050
Max
2.60
1.05
200
3.3
0.3
+1
–
–
UI
Unit
mV
ns
%
pk-pk
Ω
V
V
–
Unit
U.I.
U.I.
U.I.
mV
dB
dB
dB
dB
dB
dB
%
V
V
V
V
Measured at the DSX
@ 772 KHz
T1.102, isolated pulse
For 17 consecutive
pulses, GR-499-CORE
AT&T Pub 62411
TCLK is jitter free
Tested at the line side
For 17 consecutive
pulses
At the nominal half
amplitude
Rt = 11 Ω ± 1%
Using components in
the LXD384
evaluation board.
Using components in
the LXD384
evaluation board
Tx path TCLK is jitter
free
JA Disabled
Test Condition
Test Condition
99