AD8009
–30
–40
–50
–60
–70
–80
–90
–100
–30
–35
–40
–45
–50
G = +10
G = 2
R
R
V
= 200⍀
= 100⍀
= 2V p–p
R
= 301⍀
F
L
F
2ND
V
= 2V p-p
O
2ND,
100⍀ LOAD
O
2ND,
150⍀ LOAD
–55
–60
–65
–70
–75
–80
3RD
3RD,
100⍀ LOAD
3RD,
150⍀ LOAD
5
10
100
200
1
10
FREQUENCY RESPONSE – MHz
100
200
FREQUENCY – MHz
Figure 10. Distortion vs. Frequency; G = +2
Figure 13. Distortion vs. Frequency; G = +10
–35
–35
–40
–45
250MHz
–40
–45
70MHz
–50
250MHz
70MHz
5MHz
–50
–55
–60
–65
–70
–75
–80
–85
–55
–60
5MHz
–65
–70
200⍀
–75
–80
22.1⍀
50⍀
200⍀
50⍀
22.1⍀
P
OUT
50⍀
50⍀
POUT
50⍀
–85
–90
50⍀
–95
–10 –8 –6 –4 –2
0
2
4
6
8
10 12 14
–10 –8 –6 –4 –2
0
2
4
6
8
10 12 14
P
– dBm
P
– dBm
OUT
OUT
Figure 11. 2nd Harmonic Distortion vs. POUT; (G = +10)
Figure 14. 3rd Harmonic Distortion vs. POUT; (G = +10)
50
0.02
G = +2
F
200⍀
R
= 301⍀
0.01
0.00
45
R
= 150⍀
L
22.1⍀
50⍀
P
OUT
40
50⍀
50⍀
–0.01
–0.02
35
R
= 37.5⍀
L
0
100
30
IRE
R = 37.5⍀
L
0.10
0.05
25
20
15
G = +2
= 301⍀
R
F
–0.00
–0.05
R
= 150⍀
L
10
–0.10
10
100
FREQUENCY – MHz
250
0
100
IRE
Figure 15. Two Tone, 3rd Order IMD Intercept vs.
Frequency; G = +10
Figure 12. Differential Gain and Phase
REV. B
–5–
ADI [ ADI ]
