XRT5683A Exar Corporation, XRT5683A Datasheet - Page 5

• Manufacturer Part Number: XRT5683A
• Description: PCM Line Interface Chip
• Manufacturer: Exar Corporation

Table 1 shows typical expected jitter tolerance. The
following measurements have been done at a
transmission rate of T1 (1.544MHz). (See Figure 2 ).
Rev. 2.01
(transmitter
Generator
Generator
HP3785B
HP3781B
Pattern
Jitter
side)
Clock
6db Cable Attenuation
Table 1. Jitter Tolerance at 1.544Mbps with 6db Cable Loss
100Hz
500Hz
Jitter
10Hz
1kHz
2kHz
3kHz
4kHz
Figure 2. Jitter Measurement Set-up
1.544Mbs in UI
V
CC
>10UI
>10UI
>10UI
6.5UI
3.3UI
2.1UI
1.5UI
RXDATA+
RXDATA-
= +5V
XR-T5683A
RX
5%, T
5
10kHz
32kHz
50kHz
77kHz
A
Jitter
5kHz
8kHz
= 25 C
-
RPOS
RCLK
RNEG
1.544Mbs in UI
0.45UI
0.45UI
Phase
Circuit
1.3UI
0.8UI
0.7UI
0.5UI
Clock
Shift
-
XR-T5683A
TPOS
TCLK
TNEG
TXDATA+
XR-T5683A
TX
(Receive Side)
HP3785B
Analyzer
Jitter
TXDATA-