Inc. Stereo Amplifier User Manual

AD604
Rev. E | Page 10 of 3
–
20
2
FREQUENCY (Hz)
HARMONIC DISTORTION (dBc)
–
40
–50
–70
–60
–45
–55
–65
100k 1M 10M 100M
V
O
=1Vp-p
VGN = 1V
HD3
HD2
00540-021
Figure 21. Harmonic Distortion vs. Frequency
VGN (V)
HARMONIC DISTORTION (dBc)
–
30
–60
–80
–40
–50
–70
–35
–65
–45
–55
–75
V
O
=1Vp-p
HD2 (10MHz)
HD3 (1MHz)
HD3 (10MHz)
HD2 (1MHz)
0.5 0.9 1.3 1.7 2.1 2.5 2.9
00540-022
Figure 22. Harmonic Distortion vs. VGN
–
20
–50
HARMONIC DISTORTION (dBc)
–80
–30
–40
–70
–60
50Ω 500Ω
DUT
R
S
R
SOURCE
(Ω)
0 50 100 150 200 250
V
O
=1Vp-p
VGN = 1V
HD3 (10MHz)
HD2 (1MHz)
HD3 (1MHz)
HD2 (10MHz)
300540-02
FREQUENCY (MHz)
–90
–120
Figure 23. Harmonic Distortion vs. R
SOURCE
V
O
=1Vp-p
VGN = 1V
–30
–80
–100
–110
–60
–70
–40
–50
9.96 9.98 10.00 10.02 10.04
P
OUT
(dBm)
00540-024
VGN (V)
5
–15
–35
Figure 24. Intermodulation Distortion
0
–5
–10
–20
–30
–25
10MHz
1MHz
INPUT
SIGNAL
LIMIT
800mV p-p
P
IN
(dBm)
0.1 0.5 0.9 1.3 1.7 2.1 2.5 2.9
00540-025
IP3 (dBm)
25
20
Figure 25. 1 dB Compression vs. VGN
VGN (V)
–15
5
0
–5
–10
15
10
f =1MHz
f =10MHz
V
O
=1Vp-p
0.4 0.9 1.4 1.9 2.4 2.9
00540-026
Figure 26. Third-Order Intercept vs. VGN
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