AD8022
0
–20
–40
–67.2dBc
–60
2ND
3RD
–80
–100
–120
102.4 103.4 104.4 105.4 106.4 107.4 108.4 109.4 110.4 111.4 112.4
FREQUENCY (kHz)
0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT VOLTAGE (V p-p)
Figure 22. Distortion vs. Output Voltage, VS = 2.5 V,
G = +1, f = 1 MHz, RL = 500 Ω, RF = 0 Ω
Figure 25. Multitone Power Ratio: VS = 12 V, RL = 500 Ω,
Full Rate ADSL (DMT), Upstream
+V
AD8022
1/2
–66.7dBc
715Ω
250Ω
500Ω
715Ω
AD8022
1/2
549.3 550.3 551.3 552.3 553.3 554.3 555.3 556.3 557.3 558.3 559.3
FREQUENCY (kHz)
–V
Figure 23. Multitone Power Ratio Test Circuit
Figure 26. Multitone Power Ratio: VS = 6 V, RL = 500 Ω,
Full Rate ADSL (DMT), Downstream
–66.0dBc
–69.0dBc
549.3 550.3 551.3 552.3 553.3 554.3 555.3 556.3 557.3 558.3 559.3
FREQUENCY (kHz)
102.4 103.4 104.4 105.4 106.4 107.4 108.4 109.4 110.4 111.4 112.4
FREQUENCY (kHz)
Figure 24. Multitone Power Ratio: VS = 12 V, RL = 500 Ω,
Full Rate ADSL (DMT), Downstream
Figure 27. Multitone Power Ratio: VS = 6 V, RL = 500 Ω,
Full Rate ADSL (DMT), Upstream
Rev. B | Page 9 of 16
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