DS3170 Maxim Integrated Products, DS3170 Datasheet - Page 222

• Manufacturer Part Number: DS3170
• Description: Network Controller & Processor ICs DS3-E3 Single-Chip T ransceiver T3-E3 Fra
• Manufacturer: Maxim Integrated Products

16.4 CLAD Jitter Characteristics
16.5 LIU Interface AC Characteristics
16.5.1 Waveform Templates
Table 16-7. DS3 Waveform Template
Governing Specifications: ANSI T1.102 and Bellcore GR-499
Table 16-8. 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
TYP
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.
LOWER CURVE
UPPER CURVE
MAX
0.04
0.01
1.75
222 of 230
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
UNITS
UI
UI
dB
RMS
P-P
16-11.
0.08 + 0.407e
-0.03
-0.03
0.03
DS3170 DS3/E3 Single-Chip Transceiver
-1.84(T - 0.36)