Datasheet

AD8003
Rev. B | Page 7 of 16
G = +1
V
S
=±5V
R
L
= 150Ω
V
OUT
= 200mV p-p
05721-006
–12
–9
–6
–3
3
0
6
1 10 100 1000 10000
FREQUENCY (MHz)
NORMALIZED CLOSED-LOOP GAIN (dB)
R
S
= 50Ω
R
S
=
0
Ω
R
S
= 25Ω
Figure 10. G = +1 Series Resistor (R
S
) Optimization
05721-009
1 100 1000
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
FREQUENCY (MHz)
NORMALIZED CLOSED-LOOP GAIN (dB)
10
V
S
=±5V
G=+1,R
F
=432Ω
G=+2,+5,R
F
= 464Ω
R
L
=150Ω
V
OUT
=2Vp-p
G=+1
G=+2
G=+5
Figure 11. Large Signal Frequency Response for Various Gains
G=+1
R
L
= 100Ω
V
OUT
=2Vp-p
05721-017
–120
–110
–80
–70
–60
–90
–100
–50
–40
–
30
0.1 1 10 100
FREQUENCY (MHz)
DISTORTION (dBc)
THIRD
SECOND
V
S
=±5V
V
S
=+5V
Figure 12. Harmonic Distortion vs. Frequency for Various Supplies
G = +2
R
L
= 150Ω
V
OUT
= 2V p-p
05721-016
–0.9
–0.8
–0.7
–0.6
–0.4
–0.2
–0.1
0.2
–0.5
–0.3
0.1
0
0.3
1 10 100 1000
FREQUENCY (MHz)
NORMALIZED CLOSED-LOOP GAIN (dB)
V
S
=±5V
V
S
=+5V
Figure 13. 0.1 dB Flatness Response
05721-010
1 100 1000
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
FREQUENCY (MHz)
NORMALIZED CLOSED-LOOP GAIN (dB)
10
V
S
=±5V
G=+2
R
L
= 150Ω
V
OUT
=2Vp-p
T = +25°C
T = –40°C
T = +105°C
Figure 14. Large Signal Frequency Response for Various Temperatures
G=+2
R
L
=150Ω
V
OUT
=2Vp-p
05721-018
–120
–110
–80
–70
–60
–90
–100
–50
–40
–
30
0.1 1 10 100
FREQUENCY (MHz)
DISTORTION (dBc)
V
S
=±5V
V
S
=+5V
THIRD
SECOND
Figure 15. Harmonic Distortion vs. Frequency for Various Supplies