AD604
–40
V
O
= 1V p-p
VGN = 1V
–20
–30
–40
–50
V
O
= 1V p-p
VGN = 1V
–45
HARMONIC DISTORTION (dBc)
–50
HD2
HD3
–60
P
OUT
(dBm)
–60
–70
–80
–90
–100
–55
–65
00540-021
–110
–120
9.96
9.98
10.00
FREQUENCY (MHz)
10.02
10.04
–70
100k
1M
10M
FREQUENCY (Hz)
100M
Figure 21. Harmonic Distortion vs. Frequency
Figure 24. Intermodulation Distortion
–30
–35
V
O
= 1V p-p
5
0
HD2 (10MHz)
HARMONIC DISTORTION (dBc)
–40
–5
–10
P
IN
(dBm)
–45
–50
–55
–60
–65
HD3 (10MHz)
INPUT
SIGNAL
LIMIT
800mV p-p
10MHz
–15
–20
–25
1MHz
–70
–75
–80
0.5
HD2 (1MHz)
00540-025
HD3 (1MHz)
0.9
1.3
1.7
VGN (V)
2.1
2.5
00540-022
–30
–35
0.1
2.9
0.5
0.9
1.3
1.7
2.1
2.5
2.9
VGN (V)
Figure 22. Harmonic Distortion vs. VGN
Figure 25. 1 dB Compression vs. VGN
–20
R
S
50Ω
DUT
500Ω
HD2 (10MHz)
V
O
= 1V p-p
VGN = 1V
25
20
15
10
V
O
= 1V p-p
HARMONIC DISTORTION (dBc)
–30
f
= 1MHz
–40
HD3 (10MHz)
HD2 (1MHz)
–60
HD3 (1MHz)
–70
00540-023
–50
IP3 (dBm)
5
0
–5
00540-026
f
= 10MHz
–10
–15
0.4
–80
0
50
100
150
200
250
0.9
1.4
VGN (V)
1.9
2.4
2.9
R
SOURCE
(Ω)
Figure 23. Harmonic Distortion vs. R
SOURCE
Figure 26. Third-Order Intercept vs. VGN
Rev. D | Page 10 of 32
00540-024
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