Datasheet

AD8131
Rev. B | Page 10 of 20
50
–60
–70
–80
–90
–100
–110
DISTORTION (dBc)
40 50 60 70
FREQUENCY (MHz)
0102030
R
L, dm
= 800Ω
V
OUT, dm
= 1V p-p
HD3 (V
S
= 3V)
HD3 (V
S
= 5V)
HD2 (V
S
= 3V)
HD2 (V
S
= 5V)
01072-010
Figure 11. Harmonic Distortion vs. Frequency
40 50 60 70
FREQUENCY (MHz)
0102030
–40
–50
–60
–70
–80
–100
–110
DISTORTION (dBc)
–90
R
L, dm
= 800Ω
V
OUT, dm
= 2V p-p
HD3 (V
S
= ±5V)
HD3 (V
S
= +5V)
HD2 (V
S
= ±5V)
HD2 (V
S
= +5V)
01072-011
Figure 12. Harmonic Distortion vs. Frequency
–55
–65
–75
–85
–95
–105
–115
3456
DIFFERENTIAL OUTPUT VOLTAGE (V p-p)
012
DISTORTION (dBc)
V
S
= ±5V
R
L, dm
= 800Ω
HD3 (F = 20MHz)
HD2 (F = 20MHz)
HD2 (F = 5MHz)
HD3 (F = 5MHz)
01072-012
Figure 13. Harmonic Distortion vs. Differential Output Voltage
50
–60
–70
–80
–90
–100
–110
DISTORTION (dBc)
2.5 3.0 3.5 4.0
DIFFERENTIAL OUTPUT VOLTAGE (V p-p)
1.0 1.5 2.00.50
V
S
= 5V
R
L, dm
= 800Ω
HD3 (F = 20MHz)
HD2 (F = 20MHz)
HD2 (F = 5MHz)
HD3 (F = 5MHz)
01072-013
Figure 14. Harmonic Distortion vs. Differential Output Voltage
–50
–60
–70
–80
–90
–100
–110
DISTORTION (dBc)
1.25 1.5 1.75
DIFFERENTIAL OUTPUT VOLTAGE (V p-p)
0.75 1.00.500.25
V
S
= 3V
R
L, dm
= 800Ω
HD3 (F = 20MHz)
HD2 (F = 20MHz)
HD2 (F = 5MHz)
HD3 (F = 5MHz)
01072-014
Figure 15. Harmonic Distortion vs. Differential Output Voltage
–50
–60
–70
–80
–90
–100
–110
DISTORTION (dBc)
700 800 900 1000
R
LOAD
(Ω)
400 500 600300200
V
S
= ±5V
V
OUT, dm
= 2V p-p
HD3 (F = 20MHz)
HD2 (F = 20MHz)
HD2 (F = 5MHz)
HD3 (F = 5MHz)
01072-015
Figure 16. Harmonic Distortion vs. R
LOA D