5
4
CL = 15pF
3
CL = 10pF
2
1
0
–1
CL = 5pF
–2
–3
–4
–5
1
10
100
1000
FREQUENCY (MHz)
Figure 12. Small Signal Frequency Response for Various CL,
VOUT = 500 mV p-p, VS = ±5 V, G = +1
7
CL = 15pF
5
3
CL = 10pF
1
–1
CL = 5pF
–3
–5
1
10
100
1000
FREQUENCY (MHz)
Figure 13. Small Signal Frequency Response for Various CL,
VOUT = 500 mV p-p, VS = 5 V, G = +1
2
VOUT = 200mV
1
VOUT = 1V
0
–1
–2
VOUT = 500mV
–3
VOUT = 2V
–4
–5
–6
0.1
1
10
100
1000
FREQUENCY (MHz)
Figure 14. Frequency Response for Various Output Voltage Levels
AD8038/AD8039
80
70
60
50
40
30
20
10
0
–10
–20
0.01
180
135
PHASE
90
GAIN
45
0
–45
0.1
1
10
100
1000
FREQUENCY (MHz)
Figure 15. Open-Loop Gain and Phase, VS = ±5 V
9
6
–40°C
+25°C
3
+85°C
0
–3
0.1
1
10
100
1000
FREQUENCY (MHz)
Figure 16. Frequency Response vs. Temperature,
Gain = +2, VS = ±5 V, VOUT = 2 V p-p
–50
–55
RL = 500Ω HD2
RL = 500Ω HD3
–60
–65
–70
RL = 2kΩ HD3
–75
RL = 2kΩ HD2
–80
–85
–90
1
2
3
4
5
6
7
8
9 10
FREQUENCY (MHz)
Figure 17. Harmonic Distortion vs. Frequency for Various Loads,
VS = ±5 V, VOUT = 2 V p-p, G = +2
Rev. G | Page 7 of 16