AD8047/AD8048
AD8047–Typical Characteristics
1
0
–1
–2
OUTPUT – dBm
1
0
–1
R
L
= 100Ω
R
F
= 0Ω FOR DIP
R
F
= 66.5Ω FOR SOIC
V
OUT
= 2V p-p
–3
–4
–5
–6
–7
–8
–9
1M
OUTPUT – dBm
R
L
= 100Ω
R
F
= 0Ω FOR DIP
R
F
= 66.5Ω FOR SOIC
V
OUT
= 300mV p-p
–2
–3
–4
–5
–6
–7
–8
10M
100M
1G
–9
1M
10M
100M
1G
FREQUENCY – Hz
FREQUENCY – Hz
Figure 15. AD8047 Small Signal Frequency Response
G = +1
Figure 18. AD8047 Large Signal Frequency Response,
G = +1
0.1
0
–0.1
–0.2
OUTPUT – dBm
1
0
–1
R
L
= 100Ω
R
F
= 0Ω FOR DIP
R
F
= 66.5Ω FOR SOIC
V
OUT
= 300mV p-p
–2
OUTPUT – dBm
–0.3
–0.4
–0.5
–0.6
–0.7
–0.8
–0.9
1M
–3
–4
–5
–6
–7
–8
R
L
= 100Ω
R
F
= R
IN
= 200Ω
V
OUT
= 300mV p-p
10M
100M
1G
–9
1M
10M
100M
1G
FREQUENCY – Hz
FREQUENCY – Hz
Figure 16. AD8047 0.1 dB Flatness, G = +1
Figure 19. AD8047 Small Signal Frequency Response,
G = –1
70
60
50
40
GAIN – dB
100
80
–20
–30
PHASE MARGIN – Degrees
PHASE
MARGIN
60
–40
–50
OUTPUT – dBm
R
L
= 1kΩ
V
OUT
= 2V p-p
40
20
GAIN
0
–20
–40
R
L
= 100Ω
–60
–80
–100
1G
30
20
10
0
–10
–20
–30
1k
10k
100k
1M
10M
100M
FREQUENCY – Hz
–60
–70
–80
–90
–100
–110
–120
10k
100k
1M
FREQUENCY – Hz
10M
100M
3RD HARMONIC
2ND HARMONIC
Figure 17. AD8047 Open-Loop Gain and Phase Margin vs.
Frequency
Figure 20. AD8047 Harmonic Distortion vs. Frequency,
G = +1
–6–
REV. 0
AD [ ANALOG DEVICES ]
