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