Typical Characteristics, Noninverting Connection–AD810
RF
+VS 0.1µF
RG
2
VIN
HP8130
PULSE
GENERATOR
3
50Ω
7
AD810
6
4 0.1µF
–VS
VO TO
TEKTRONIX
P6201 FET
PROBE
VO
RL
Figure 19. Noninverting Amplifier Connection
1V
100
VIN 90
20nS
VO
10
0%
1V
Figure 20. Small Signal Pulse Response, Gain = +1,
RF = 1 kΩ, RL = 150 Ω, VS = ±15 V
PHASE
0
GAIN = +1
RL = 150Ω
–45
–90
1
0
–1
GAIN
–2
VS = ±15V
±5V
±2.5V
–135
–180
–225
–270
–3
VS = ±15V
–4
±5V
±2.5V
–5
1
10
100
1000
FREQUENCY – MHz
Figure 21. Closed-Loop Gain and Phase vs. Frequency,
G= +1. RF = 1 kΩ for ±15 V, 910 Ω for ±5 V and ±2.5 V
110
100
G = +1
RL = 150Ω
90
VO = 250mV p-p
80
RF = 750Ω
70
PEAKING ≤ 1dB
60
PEAKING ≤ 0.1 dB
50
RF = 1kΩ
40
30
RF = 1.5kΩ
20
2 4 6 8 10 12 14 16 18
SUPPLY VOLTAGE – ±Volts
Figure 23. Bandwidth vs. Supply Voltage,
Gain = +1, RL = 150 Ω
PHASE
0
GAIN = +1
–45
RL = 1kΩ
–90
1
0
–1
–2
–3
–4
–5
1
GAIN
VS = ±15V
±5V
±2.5V
10
100
FREQUENCY – MHz
VS = ±15V
±5V
±2.5V
–135
–180
–225
–270
1000
Figure 22. Closed-Loop Gain and Phase vs. Frequency,
G= +1, RF = 1 kΩ for ±15 V, 910 Ω for ±5 V and ±2.5 V
200
180
G = +1
RL = 1kΩ
160
VO = 250mV p-p
140
PEAKING ≤ 1dB
120
100
RF = 750Ω
80
PEAKING ≤ 0.1dB
60
RF = 1kΩ
40
20
RF = 1.5kΩ
2 4 6 8 10 12 14 16 18
SUPPLY VOLTAGE – ±Volts
Figure 24. –3 dB Bandwidth vs. Supply Voltage
G = +1, RL = 1 kΩ
REV. A
–7–