qlx4600-s30 Intersil Corporation, qlx4600-s30 Datasheet - Page 8
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qlx4600-s30
Manufacturer Part Number
qlx4600-s30
Description
Quad Lane Extender
Manufacturer
Intersil Corporation
Datasheet
1.QLX4600-S30.pdf
(23 pages)
Typical Performance Characteristics
V
Figure 1. Unless otherwise noted, the transmitter generated a non-return-to-zero (NRZ) PRBS-7 sequence at 800mVpp
(differential) with 10ps of peak-to-peak deterministic jitter. This transmit signal was launched into twin-axial cable test
channels of varying gauges and lengths. The loss characteristics of these test channels are plotted as a function of
frequency in Figure 2. The received signal at the output of these test channels was then processed by the QLx4600-S30
before being passed to a receiver. Eye diagram measurements were made with 4000 waveform acquisitions and include
random jitter.
DD
= 1.2V, T
FIGURE 3A. JITTER vs CABLE LENGTH, 5Gb/s
FIGURE 2. TWIN-AXIAL CABLE LOSS AS A FUNCTION OF FREQUENCY FOR VARIOUS TEST CHANNELS
A
= +25°C, unless otherwise noted. Performance was characterized using the system testbed shown in
FIGURE 3. JITTER VS CABLE LENGTH AND JITTER VS BOOST SETTING AT 5 GBPS
8
FIGURE 1. DEVICE CHARACTERIZATION TEST SETUP
TEST CHANNEL LOSS CHARACTERISTICS
QLx4600-S30
0.5
0.4
0.3
0.2
0.1
FIGURE 3B. JITTER vs BOOST SETTING, 5Gb/s
0
4
8
12
Boost Setting
16
Cable A (24AWG 20m)
Cable B (30AWG 12m)
Cable C (28AWG 20m)
20
November 19, 2009
24
FN6979.1
28