AD8055/AD8056
5
4
3
2
GAIN – dB
R
S
R
F
R
L
V
IN
50
R
C
V
OUT
–50
V
OUT
= 100mV p-p
R
L
= 100
G = +2
R
F
= 402
G = +1
R
F
= 0
R
C
= 100
HARMONIC DISTORTION – dBc
–60
V
OUT
= 2V p-p
G = +2
R
L
= 100
2ND
1
0
–1
–2
–3
–4
–5
0.3M
1M
G = +10
R
F
= 909
G = +5
R
F
= 1000
10M
100M
FREQUENCY – Hz
–70
–80
3RD
–90
1G
–100
10k
100k
1M
FREQUENCY – Hz
10M
100M
Figure 9. Small Signal Frequency Response,
G = +1, G = +2, G = +5, G = +10
Figure 12. Distortion vs. Frequency
5
4
3
2
V
OUT
= 2V p-p
R
L
= 100
–50
V
OUT
= 2V p-p
G = +2
R
L
= 1k
–60
GAIN – dB
1
0
–1
–2
–3
–4
–5
0.3M
1M
G = +10
R
F
= 909
G = +5
R
F
= 1000
10M
100M
FREQUENCY – Hz
G = +2
R
F
= 402
G = +1
R
F
= 0
DISTORTION – dBc
–70
–80
2ND
–90
3RD
1G
–100
10k
100k
1M
FREQUENCY – Hz
10M
100M
Figure 10. Large Signal Frequency Response,
G = +1, G = +2, G = +5, G = +10
Figure 13. Distortion vs. Frequency
0.5
0.4
0.3
0.2
OUTPUT – dB
–40
V
OUT
= 100mV
G = +2
R
L
= 100
R
F
= 402
DISTORTION – dBc
–50
G = +2
R
L
= 1k
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0.3M
–60
2ND
–70
–80
3RD
–90
1M
10M
100M
FREQUENCY – Hz
1G
0
0.4
0.8
1.2
1.6
2.0 2.4
V
OUT
– V p-p
2.8
3.2
3.6
4.0
Figure 11. 0.1 dB Flatness
Figure 14. Distortion vs. V
OUT
@ 20 MHz
REV. B
–5–
AD [ ANALOG DEVICES ]
