Datasheet

AD8138
Rev. F | Page 10 of 24
FUNDAMENTAL FREQUENCY (MHz)
DISTORTION (dBc)
–
50
–120
–90
–100
–110
–70
–80
–60
V
OUT, dm
=2Vp-p
R
L
= 800Ω
0 10203040506070
HD2 (V
S
=+5V)
HD2 (V
S
=±5V)
HD3 (V
S
=±5V)
HD3 (V
S
=+5V)
01073-011
Figure 11. Harmonic Distortion vs. Frequency
FUNDAMENTAL FREQUENCY (MHz)
DISTORTION (dBc)
–
40
–110
–80
–90
–100
–60
–70
–50
V
OUT, dm
=4Vp-p
R
L
= 800Ω
0 10203040506070
HD3 (V
S
=+5V)
HD2 (V
S
=+5V)
HD2 (V
S
=±5V)
HD3 (V
S
=±5V)
01073-012
Figure 12. Harmonic Distortion vs. Frequency
DISTORTION (dBc)
–50
–90
–100
–70
–80
–60
–40
–
30
HD2 (V
S
=+5V)
HD3 (V
S
=+5V)
HD3 (V
S
=±5V)
V
OUT, dm
=2Vp-p
R
L
=800Ω
F
O
= 20MHz
V
OCM
DC OUTPUT (V)
–4–3–2–101234
HD2 (V
S
=±5V)
0
1073-013
Figure 13. Harmonic Distortion vs. V
OCM
0 6
–120
–90
–100
–110
–70
–80
–
60
54321
DIFFERENTIAL OUTPUT VOLTAGE (V p-p)
DISTORTION (dBc)
V
S
=±5V
R
L
= 800Ω
HD3 (F = 20MHz)
HD2 (F = 20MHz)
HD2 (F = 5MHz)
HD3 (F = 5MHz)
01073-014
Figure 14. Harmonic Distortion vs. Differential Output Voltage
DIFFERENTIAL OUTPUT VOLTAGE (V p-p)
DISTORTION (dBc)
–120
–90
–100
–110
–70
–80
–
60
V
S
=5V
R
L
= 800Ω
HD3 (F = 5MHz)
HD2 (F = 5MHz)
HD3 (F = 20MHz)
HD2 (F = 20MHz)
0123
01073-015
4
Figure 15. Harmonic Distortion vs. Differential Output Voltage
DISTORTION (dBc)
–90
–100
–110
–70
–80
–
60
0.25 1.751.501.251.000.750.50
DIFFERENTIAL OUTPUT VOLTAGE (V p-p)
V
S
=3V
R
L
= 800Ω
HD3 (F = 5MHz)
HD2 (F = 5MHz)
HD3 (F = 20MHz)
HD2 (F = 20MHz)
01073-016
Figure 16. Harmonic Distortion vs. Differential Output Voltage