Datasheet

Data Sheet AD8122
Rev. 0 | Page 11 of 20
500mV/DIV
150m
300m
TIME (ns)
0 50 100 150 200 250 300 350 400 450
10780-122
Figure 22. Equalized Pulse Response for 300 m and 150 m Cable Lengths
(2 MHz), G = 1
–1.00
–0.75
–0.50
–0.25
0
0.25
0.50
0.75
1.00
–2
–1
0
1
2
–100 0 100 200 300 400 500 600 700 800
V
OUT
(V)
SETTLING ERROR (%)
TIME (ns)
V
IN
– V
OUT
V
OUT
10780-123
Figure 23. Settling Time to 1%, 300 m Cable Length, G = 1
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0 50 100 150 200 250 300
CONTROL VOLTAGE (V)
CABLE LENGTH (m)
V
PEAK
AND V
FILTER
V
GAIN
10780-124
Figure 24. Recommended Settings for UTP Cable
1V/DIV
150m
300m
TIME (ns)
0 50 100 150 200 250 300 350 400 450
10780-125
Figure 25. Equalized Pulse Response for 300 m and 150 m Cable Lengths
(2 MHz), G = 2
–2.0
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
2.0
–2
–1
0
1
2
–100 0 100 200 300 400 500 600 700 800
V
OUT
(V)
SETTLING ERROR (%)
TIME (ns)
2V
IN
– V
OUT
V
OUT
10780-126
Figure 26. Settling Time to 1%, 300 m Cable Length, G = 2
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
CONTROL VOLTAGE (V)
CABLE LENGTH (m)
10780-127
0 20 40 60 80 100 120 140 160 180 200
V
GAIN
V
PEAK
AND V
FILTER
Figure 27. Recommended Settings for Coaxial Cable