AD8047/AD8048
AD8048–Typical Characteristics
7
6
5
4
OUTPUT – dBm
7
6
3
2
1
0
–1
–2
–3
1M
OUTPUT – dBm
R
L
= 100Ω
R
F
= R
IN
= 200Ω
V
OUT
= 300mV p-p
5
4
3
2
1
0
–1
–2
–3
R
L
= 100Ω
R
F
= R
IN
= 200Ω
V
OUT
= 2V p-p
10M
100M
FREQUENCY – Hz
1G
1M
10M
100M
1G
FREQUENCY – Hz
Figure 27. AD8048 Small Signal Frequency Response,
G = +2
Figure 30. AD8048 Large Signal Frequency Response,
G = +2
6.5
6.4
6.3
6.2
OUTPUT – dBm
1
R
L
= 100Ω
R
F
= R
IN
= 200Ω
V
OUT
= 300mV p-p
0
–1
–2
R
L
= 100Ω
R
F
= R
IN
= 200Ω
V
OUT
= 300mV p-p
6.1
6.0
5.9
5.8
5.7
5.6
5.5
1M
10M
100M
1G
FREQUENCY – Hz
OUTPUT – dBm
–3
–4
–5
–6
–7
–8
–9
1M
10M
100M
FREQUENCY – Hz
1G
Figure 28. AD8048 0.1 dB Flatness, G = +2
Figure 31. AD8048 Small Signal Frequency Response,
G = –1
90
80
70
PHASE
60
50
GAIN – dB
40
30
20
10
0
–10
–20
1k
10k
100k
1M
10M
FREQUENCY – Hz
100M
R
L
= 100Ω
100
80
60
40
20
0
–20
–40
–60
–80
–100
–120
1G
PHASE – Degrees
HARMONIC DISTORTION – dBc
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
10k
100k
1M
FREQUENCY – Hz
10M
100M
3RD HARMONIC
2ND HARMONIC
R
L
= 1kΩ
V
OUT
= 2V p-p
Figure 29. AD8048 Open-Loop Gain and Phase Margin vs.
Frequency
Figure 32. AD8048 Harmonic Distortion vs. Frequency,
G = +2
–8–
REV. 0
AD [ ANALOG DEVICES ]
