AD812
20ns
50mV
50ns
500mV
100
90
100
V
V
IN
IN
90
V
10
V
OUT
10
OUT
0%
0%
500mV
5V
Figure 28. Large Signal Pulse Response, Gain = +10,
(RF = 357 Ω, RL = 500 Ω, VS = ±15 V)
Figure 31. Small Signal Pulse Response, Gain = +10,
(RF = 357 Ω, RL = 150 Ω, VS = ±5 V)
PHASE
GAIN
G = +10
= 150⍀
PHASE
GAIN
G = +10
= 1k⍀
0
V
= ؎15V
V
= ؎15V
؎5V
S
0
S
R
R
L
L
–90
؎5V
–90
3V
5V
5V
–180
–270
1
0
1
0
–180
–270
–360
3V
V
= ؎15V
S
–1
–1
5V
3V
5V
3V
–2
–3
–4
–2
–3
–4
V
= ؎15V
S
؎5V
؎5V
–5
–6
–5
–6
1
10
100
1000
1
10
100
1000
FREQUENCY – MHz
FREQUENCY – MHz
Figure 29. Closed-Loop Gain and Phase vs. Frequency,
Gain = +10, RL = 150 Ω
Figure 32. Closed-Loop Gain and Phase vs. Frequency,
Gain = +10, RL = 1 kΩ
100
110
G = +10
90
G = +10
100
R = 150⍀
L
R
= 1k⍀
L
80
70
60
90
80
70
R
= 357⍀
= 649⍀
F
R
= 357⍀
= 649⍀
PEAKING 1dB
F
R
= 154⍀
F
R
= 154⍀
F
50
40
30
60
R
F
R
F
50
40
30
20
10
0
20
10
0
2
4
6
8
10
12
14
16
18
20
0
2
4
6
8
10
12
14
16
18
20
SUPPLY VOLTAGE – ؎Volts
SUPPLY VOLTAGE – ؎Volts
Figure 30. –3 dB Bandwidth vs. Supply Voltage,
Gain = +10, RL = 150 Ω
Figure 33. –3 dB Bandwidth vs. Supply Voltage,
Gain = +10, RL = 1 kΩ
REV. B
–10–