AD8138
–50
VOUT, dm = 2V p-p
RL = 800Ω
–60
–70
HD2 (VS = +5V)
–80
–90
HD2 (VS = ±5V)
–100
HD3 (VS = +5V)
–110
HD3 (VS = ±5V)
–120
0
10
20
30
40
50
60
70
FUNDAMENTAL FREQUENCY (MHz)
Figure 11. Harmonic Distortion vs. Frequency
–40
VOUT, dm = 4V p-p
RL = 800Ω
–50
HD3 (VS = +5V)
–60
–70
HD2 (VS = +5V)
–80
HD2 (VS = ±5V)
–90
–100
HD3 (VS = ±5V)
–110
0
10
20
30
40
50
60
70
FUNDAMENTAL FREQUENCY (MHz)
Figure 12. Harmonic Distortion vs. Frequency
–30
VOUT, dm = 2V p-p
RL = 800Ω
–40 FO = 20MHz
–50
–60
–70
HD2 (VS = +5V)
HD3 (VS = +5V)
–80
HD3 (VS = ±5V)
–90
HD2 (VS = ±5V)
–100
–4
–3
–2
–1
0
1
2
3
4
VOCM DC OUTPUT (V)
Figure 13. Harmonic Distortion vs. VOCM
Data Sheet
–60
VS = ±5V
RL = 800Ω
–70
HD3 (F = 20MHz)
HD2 (F = 20MHz)
–80
–90
–100
–110
HD2 (F = 5MHz)
HD3 (F = 5MHz)
–120
0
1
2
3
4
5
6
DIFFERENTIAL OUTPUT VOLTAGE (V p-p)
Figure 14. Harmonic Distortion vs. Differential Output Voltage
–60
VS = 5V
RL = 800Ω
–70
–80
–90
–100
–110
HD2 (F = 20MHz)
HD3 (F = 20MHz)
HD2 (F = 5MHz)
HD3 (F = 5MHz)
–120
0
1
2
3
4
DIFFERENTIAL OUTPUT VOLTAGE (V p-p)
Figure 15. Harmonic Distortion vs. Differential Output Voltage
–60
VS = 3V
RL = 800Ω
–70
HD2 (F = 20MHz)
–80
HD3 (F = 20MHz)
–90
–100
HD3 (F = 5MHz)
HD2 (F = 5MHz)
–110
0.25
0.50
0.75
1.00
1.25
1.50
1.75
DIFFERENTIAL OUTPUT VOLTAGE (V p-p)
Figure 16. Harmonic Distortion vs. Differential Output Voltage
Rev. G | Page 10 of 24