AD812
50ns
500mV
20ns
2V
100
90
100
90
V
V
IN
IN
V
10
10
V
OUT
OUT
0%
0%
500mV
2V
Figure 34. Large Signal Pulse Response, Gain = –1,
Figure 37. Small Signal Pulse Response, Gain = –1,
(RF = 750 Ω, RL = 150 Ω, VS = ±5 V)
(RF = 750 Ω, RL = 150 Ω, VS = ±5 V)
PHASE
GAIN
V
= ؎15V
G = –1
= 150⍀
S
V
= ؎15V
PHASE
GAIN
G = –10
= 1k⍀
S
R
0
L
0
R
؎5V
L
؎5V
5V
–90
–90
3V
1
0
–180
–270
–180
–270
5V
1
0
3V
–1
–2
–3
–4
–1
V
= ؎15V
S
–2
–3
–4
V
= ؎15V
S
؎5V
؎5V
5V
3V
5V
–5
–6
3V
–5
–6
1
10
100
1000
1
10
100
1000
FREQUENCY – MHz
FREQUENCY – MHz
Figure 35. Closed-Loop Gain and Phase vs. Frequency,
Gain = –1, RL = 150 Ω
Figure 38. Closed-Loop Gain and Phase vs. Frequency,
Gain = –10, RL = 1 kΩ
130
100
G = –1
120
G = –10
90
R
= 150⍀
L
R
= 1k⍀
L
R
= 681⍀
F
110
100
90
80
70
60
50
40
30
20
10
0
PEAKING Յ 1.0dB
R
= 357⍀
= 649⍀
F
R
= 715⍀
F
R
= 154⍀
R
F
F
80
70
60
PEAKING Յ 0.2dB
50
40
30
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 36. –3 dB Bandwidth vs. Supply Voltage,
Gain = –1, RL = 150 Ω
Figure 39. –3 dB Bandwidth vs. Supply Voltage,
Gain = –10, RL = 1 kΩ
REV. B
–11–
ADI [ ADI ]
