Datasheet

REV. A–6–
AD8047/AD8048
–6
–8
–4
–2
0
FREQUENCY (Hz)
1G100M10M
R
L
= 100
R
F
= 0 FOR DIP
R
F
= 66.5 FOR SOIC
V
OUT
= 300mV p-p
1M
–1
1
–3
–5
–7
OUTPUT (dBm)
–9
TPC 13. AD8047 Small Signal Frequency Response,
G = +1
–0.6
–0.8
–0.4
–0.2
0
1G100M10M1M
0.1
–0.1
–0.3
–0.5
–0.7
–0.9
FREQUENCY
(
Hz
)
R
L
= 100
R
F
= 0 FOR DIP
R
F
= 66.5 FOR SOIC
V
OUT
= 300mV p-p
OUTPUT (dBm)
TPC 14. AD8047 0.1 dB Flatness, G = +1
0
–20
20
40
60
FREQUENCY (Hz)
1G10M10k
GAIN (dB)
1k
70
50
30
10
–10
–30
–40
–80
0
40
80
100
60
20
–20
–60
–100
PHASE MARGIN (Degrees)
PHASE
MARGIN
GAIN
100k 1M 100M
R
L
= 100
TPC 15. AD8047 Open-Loop Gain and Phase Margin
vs. Frequency
–6
–8
–4
–2
0
1G100M10M1M
–1
1
–3
–5
–7
–9
FREQUENCY (Hz)
R
L
= 100
R
F
= 0 FOR DIP
R
F
= 66.5 FOR SOIC
V
OUT
= 2V p-p
OUTPUT (dBm)
TPC 16. AD8047 Large Signal Frequency Response,
G = +1
–6
–8
–4
–2
0
1G100M10M1M
–1
1
–3
–5
–7
–9
FREQUENCY (Hz)
R
L
= 100
R
F
= R
F
= 200
V
OUT
= 300mV p-p
OUTPUT (dBm)
TPC 17. AD8047 Small Signal Frequency Response,
G = –1
–90
–110
–70
–50
–30
100M1M100k10k
–40
–20
–60
–80
–100
–120
10M
SECOND HARMONIC
THIRD HARMONIC
FREQUENCY (Hz)
R
L
= 1k
V
OUT
= 2V p-p
OUTPUT (dBm)
TPC 18. AD8047 Harmonic Distortion vs. Frequency,
G = +1