AD8139
100
75
2.5
2.0
C
= 0pF
V
= 100mV p-p
F
O, dm
4V p-p
2V p-p
C
= 2pF
F
1.5
C
= 0pF
F
50
C
F
= 0pF
(C = 0pF,
1.0
V
O, dm
(C = 2pF, V
S
F
C
= 2pF
= ±5V)
F
25
F
V
= ±5V)
S
0.5
0
0
–0.5
–1.0
–1.5
–2.0
–2.5
–25
–50
–75
–100
5ns/DIV
5ns/DIV
TIME (ns)
TIME (ns)
Figure 31. Small Signal Transient Response for Various CF
Figure 34. Large Signal Transient Response For CF
0.100
0.075
0.050
0.025
0
1.5
R
C
= 63.4Ω
L, dm
R
C
= 31.6Ω
L, dm
S
S
= 15pF
= 30pF
1.0
0.5
R
C
= 31.6
Ω
S
L, dm
= 30pF
R
C
= 63.4
Ω
S
L, dm
= 15pF
0
–0.025
–0.050
–0.075
–0.100
–0.5
–1.0
–1.5
5ns/DIV
5ns/DIV
TIME (ns)
TIME (ns)
Figure 32. Small Signal Transient Response for Capacitive Loads
Figure 35. Large Signal Transient Response for Capacitive Loads
5
0
–5
1.5
600
400
200
0
V
F
= 2V p-p
1 = 10MHz
2 = 10.1MHz
C
= 2pF
F
O, dm
V
= 2.0V p-p
C
O, dm
F
C
–10
–15
–20
–25
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
–100
1.0
0.5
0
ERROR
–0.5
–1.0
–1.5
–200
–400
–600
V
O, dm
35ns/DIV
V
IN
9.55 9.65 9.75 9.85 9.95 10.05 10.15 10.25 10.35 10.45 10.55
FREQUENCY (MHz)
TIME (ns)
Figure 36. Settling Time (0.01%)
Figure 33. Intermodulation Distortion
Rev. A | Page 13 of 24
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