DS3150 Maxim Integrated Products, DS3150 Datasheet - Page 13

• Manufacturer Part Number: DS3150
• Description: 3.3V T3 / E3 / STS-1 Line Interface Unit
• Manufacturer: Maxim Integrated Products

Figure 1-4. E3 Waveform Template
Table 1-G. E3 Waveform Test Parameters and Limits
Rate
Line Code
Transmission Medium
Test Measurement Point
Test Termination
Pulse Amplitude
Pulse Shape
Ratio of the Amplitudes of Positive and Negative
Pulses at the Center of the Pulse Interval
Ratio of the Widths of Positive and Negative Pulses
at the Nominal Half Amplitude
Output
Level (V)
-0.1
-0.2
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
PARAMETER
13 of 27
Time (ns)
34.368Mbps (± 20ppm)
HDB3
Coaxial cable (AT&T 734A or equivalent)
At the transmitter
75W (±1%) resistive
1.0V (nominal)
An isolated pulse (preceded by two zeros and
followed by one or more zeros) falls within the
template shown in
0.95 to 1.05
0.95 to 1.05
8.65ns
12.1ns
24.5ns
29.1ns
17ns
SPECIFICATION
Figure
1-4.
Template
G.703
E3