xrt5894 Exar Corporation, xrt5894 Datasheet - Page 13

• Manufacturer Part Number: xrt5894
• Description: Four-channel E1 Line Interface 3.3v Or 5.0v
• Manufacturer: Exar Corporation

Transmitter Output Pulse Measurement
Figure 5 shows a typical transmit pulse plotted on the template shown in ITU G.703 Figure 15/G.703. The following
conditions apply:
V
Transmitter output transformer secondary terminated with 120W
All ones signal
Receiver output looped backed into transmitter digital input
Operation without transmitter clock (RZ data)
Measurement made with a Tektronix TDS640 digital scope set to full bandwidth
CC
=3.30V
Rev. 1.10
-0.2
1.2
1.0
0.8
0.6
0.4
0.2
0
-244
-122
Figure 5. XRT5894 Output Pulse
13
Time (ns)
0
122
244