DS3172 Maxim Integrated, DS3172 Datasheet - Page 229

• Manufacturer Part Number: DS3172
• Description: Network Controller & Processor ICs Dual DS3/E3 Single Chip Transceiver
• Manufacturer: Maxim Integrated

Specifications of DS3172

• Part # Aliases: 90-31720-000

18.6 CLAD Jitter Characteristics
18.7 LIU Interface AC Characteristics
18.7.1 Waveform Templates
Table 18-6. DS3 Waveform Template
Governing Specifications: ANSI T1.102 and Bellcore GR-499.
Table 18-7. DS3 Waveform Test Parameters and Limits
Intrinsic Jitter (UI
Intrinsic Jitter (UI
Peak Jitter Transfer
Rate
Line Code
Transmission Medium
Test Measurement Point
Test Termination
Pulse Amplitude
Pulse Shape
Unframed All-Ones Power Level
at 22.368MHz
Unframed All-Ones Power Level
at 44.736MHz
Pulse Imbalance of Isolated Pulses
PARAMETER
TIME (IN UNIT INTERVALS)
PARAMETER
-0.68 ≤ T ≤ +0.36
-0.36 ≤ T ≤ +0.36
-0.85 ≤ T ≤ -0.68
-0.85 ≤ T ≤ -0.36
0.36 ≤ T ≤ 1.4
0.36 ≤ T ≤ 1.4
P-P
RMS
)
)
MIN
LOWER CURVE
UPPER CURVE
44.736Mbps (±20ppm)
B3ZS
Coaxial cable (AT&T 734A or equivalent)
At the end of 0 to 450ft of coaxial cable
75Ω (±1%) resistive
Between 0.36V and 0.85V
An isolated pulse (preceded by two zeros and
followed by one or more zeros) falls within the
curves listed in
Between -1.8dBm and +5.7dBm
At least 20dB less than the power measured at
22.368MHz
Ratio of positive and negative pulses must be
between 0.90 and 1.10.
TYP
NORMALIZED AMPLITUDE EQUATION
0.5 {1 + sin[(π / 2)(1 + T / 0.34)]} + 0.03
0.5 {1 + sin[(π / 2)(1 + T / 0.18)]} - 0.03
Figure
SPECIFICATION
0.0045
0.08 + 0.407e
229
0.025
MAX
1.75
18-9.
-0.03
-0.03
0.03
UNITS
UI
UI
-1.84(T - 0.36)
dB
RMS
P-P