AD8047/AD8048
7
6
5
RL = 100⍀
RF = RIN = 200⍀
4
VOUT = 300mV p-p
3
2
1
0
–1
–2
–3
1M
10M
100M
1G
FREQUENCY (Hz)
TPC 25. AD8048 Small Signal Frequency Response,
G = +2
6.5
6.4
RL = 100⍀
6.3
RF = RIN = 200⍀
VOUT = 300mV p-p
6.2
6.1
6.0
5.9
5.8
5.7
5.6
5.5
1M
10M
100M
1G
FREQUENCY (Hz)
TPC 26. AD8048 0.1 dB Flatness, G = +2
90
100
80
80
70
60
PHASE
60
40
50
20
40
0
30
–20
20
RL = 100⍀
–40
10
0
–10
–20
1k
–60
–80
–100
–120
10k
100k
1M
10M
100M
1G
FREQUENCY (Hz)
TPC 27. AD8048 Open-Loop Gain and Phase Margin
vs. Frequency
7
6
5
RL = 100⍀
RF = RIN = 200⍀
4
VOUT = 2V p-p
3
2
1
0
–1
–2
–3
1M
10M
100M
1G
FREQUENCY (Hz)
TPC 28. AD8048 Large Signal Frequency Response,
G = +2
1
0
–1
RL = 100⍀
RF = RIN = 200⍀
–2
VOUT = 300mV p-p
–3
–4
–5
–6
–7
–8
–9
1M
10M
100M
1G
FREQUENCY (Hz)
TPC 29. AD8048 Small Signal Frequency Response,
G = –1
–20
–30
RL = 1k⍀
–40
VOUT = 2V p-p
–50
–60
–70
SECOND HARMONIC
–80
–90
THIRD HARMONIC
–100
–110
–120
10k
100k
1M
10M
FREQUENCY (Hz)
100M
TPC 30. AD8048 Harmonic Distortion vs. Frequency,
G = +2
–8–
REV. A