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