Datasheet

AD8079
REV. A
–4–
FREQUENCY – Hz
1M
NORMALIZED FLATNESS – dB
1G10M 100M
–0.5
0.1
0
–0.1
–0.2
–0.3
–0.4
1
0
–9
–1
–2
–3
–4
–5
–6
–7
–8
NORMALIZED FREQUENCY RESPONSE – dB
SIDE 2
SIDE 1
SIDE 2
SIDE 1
R
L
= 100Ω
V
IN
= 50mV rms
50Ω
50Ω
Figure 6. Frequency Response and Flatness
FREQUENCY – Hz
–50
–60
DISTORTION – dBc
–110
10k 100M100k 1M 10M
–70
–80
–100
–90
2ND HARMONIC
3RD HARMONIC
R
L
= 100Ω
Figure 7. Distortion vs. Frequency, R
L
= 100 Ω
–60
–90
–120
–100
–110
–80
–70
100k 100M10M1M10k
FREQUENCY – Hz
DISTORTION – dBc
R
L
= 1kΩ
V
OUT
= 2Vp-p
2ND HARMONIC
3RD HARMONIC
Figure 8. Distortion vs. Frequency, R
L
= 1 k Ω
8
7
6
2
1
AD8079
+5V
10µF
0.1µF
50Ω
V
IN
PULSE
GENERATOR
0.1µF
10µF
–5V
R
L
= 100Ω
T
R
/T
F
= 250ps
Figure 3. Test Circuit
20mV
5ns
SIDE 2
SIDE 1
100mV STEP
Figure 4. 100 mV Step Response
200mV
5ns
SIDE 2
SIDE 1
1V STEP
Figure 5. 1 V Step Response