Datasheet

Data Sheet AD8122
Rev. 0 | Page 9 of 20
40
50
60
70
80
90
100
110
120
130
140
100 120 140 160 180 200 220 240 260 280 300
–3dB BANDWIDTH (MHz)
CABLE LENGTH (m)
G = 1
G = 2
10780-010
Figure 10. Equalized −3 dB Bandwidth vs. Cable Length
0
5
10
15
20
25
30
0 50 100 150 200 250 300
INTEGRATED OUTPUT NOISE (mV rms)
CABLE LENGTH (m)
G = 1
G = 2
10780-011
Figure 11. Integrated Output Noise (1 MHz to 160 MHz) vs. Cable Length
–120
–100
–80
–60
–40
–20
0
20
0.1 1 10 100
CROSSTALK (dB)
FREQUENCY (MHz)
150m
300m
10780-012
Figure 12. Crosstalk vs. Frequency for 300 m and 150 m Cable Lengths, G = 1
10
100
1000
10000
0.1 1 10
100
OUTPUT VOLTAGE NOISE (nV/√Hz)
FREQUENCY (MHz)
150m, G = 1
300m, G = 1
300m, G = 2
150m, G = 2
10780-013
Figure 13. Voltage Noise Density vs. Frequency for 300 m and 150 m
Cable Lengths, RTO
0
10
20
30
40
50
60
70
0
1
2
3
4
5
6
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
INTEGRATED OUTPUT NOISE
FOR 300m SETTINGS (mV rms)
INTEGRATED OUTPUT NOISE
FOR 150m SETTINGS (mV rms)
V
FILTER
(V)
300m, G = 2
150m, G = 2
150m, G = 1
300m, G = 1
10780-014
Figure 14. Integrated Output Noise (1 MHz to 160 MHz) vs. V
FILTER
for 300 m and 150 m Cable Lengths
–120
–100
–80
–60
–40
–20
0
20
0.1 1 10 100
CROSSTALK (dB)
FREQUENCY (MHz)
150m
300m
10780-015
Figure 15. Crosstalk vs. Frequency for 300 m and 150 m Cable Lengths, G = 2