Data Sheet AD8022
Rev. C | Page 9 of 16
OUTPUT VOLTAGE (V p-p)
HARMONIC DISTORTION (dBc)
0
–20
–40
–60
–120
–100
–80
0 1.50.5 1.0 2.0 2.5 3.0
01053-022
3RD
2ND
Figure 22. Distortion vs. Output Voltage, V
S
= ±2.5 V,
G = +1, f = 1 MHz, R
L
= 500 Ω, R
F
= 0 Ω
+V
–V
AD8022
1/2
AD8022
1/2
50Ω
715Ω
715Ω
500Ω
01053-023
Figure 23. Multitone Power Ratio Test Circuit
FREQUENCY (kHz)
10dB/DIV (dBc)
549.3 559.3558.3557.3556.3555.3554.3553.3552.3551.3550.3
01053-024
–66.0dBc
Figure 24. Multitone Power Ratio: V
S
= ±12 V, R
L
= 500 Ω,
Full Rate ADSL (DMT), Downstream
FREQUENCY (kHz)
10dB/DIV (dBc)
102.4 103.4 104.4 105.4 106.4 107.4 108.4 109.4 112.4111.4110.4
01053-025
–67.2dBc
Figure 25. Multitone Power Ratio: V
S
= ±12 V, R
L
= 500 Ω,
Full Rate ADSL (DMT), Upstream
FREQUENCY (kHz)
10dB/DIV (dBc)
549.3 559.3558.3557.3556.3555.3554.3553.3552.3551.3550.3
01053-026
–66.7dBc
Figure 26. Multitone Power Ratio: V
S
= ±6 V, R
L
= 500 Ω,
Full Rate ADSL (DMT), Downstream
FREQUENCY (kHz)
10dB/DIV (dBc)
102.4 103.4 104.4 105.4 106.4 107.4 108.4 109.4 112.4111.4110.4
01053-027
–69.0dBc
Figure 27. Multitone Power Ratio: V
S
= ±6 V, R
L
= 500 Ω,
Full Rate ADSL (DMT), Upstream