AD8022
0
–20
HARMONIC DISTORTION (dBc)
10dB/DIV (dBc)
–40
–67.2dBc
–60
2ND
–80
–120
0
0.5
1.0
1.5
2.0
OUTPUT VOLTAGE (V p-p)
2.5
01053-022
3.0
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 22. Distortion vs. Output Voltage, V
S
= ±2.5 V,
G = +1, f = 1 MHz, R
L
= 500 Ω, R
F
= 0 Ω
+V
Figure 25. Multitone Power Ratio: V
S
= ±12 V, R
L
= 500 Ω,
Full Rate ADSL (DMT), Upstream
AD8022
10dB/DIV (dBc)
1/2
715Ω
250Ω
715Ω
500Ω
–66.7dBc
1/2
01053-023
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: V
S
= ±6 V, R
L
= 500 Ω,
Full Rate ADSL (DMT), Downstream
10dB/DIV (dBc)
–66.0dBc
10dB/DIV (dBc)
–69.0dBc
01053-024
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: V
S
= ±12 V, R
L
= 500 Ω,
Full Rate ADSL (DMT), Downstream
Figure 27. Multitone Power Ratio: V
S
= ±6 V, R
L
= 500 Ω,
Full Rate ADSL (DMT), Upstream
Rev. B | Page 9 of 16
01053-027
01053-026
AD8022
01053-025
–100
3RD
AD [ ANALOG DEVICES ]
