adl5331 Analog Devices, Inc., adl5331 Datasheet - Page 8

• Manufacturer Part Number: adl5331
• Description: 1 Mhz To 1.2 Ghz Vga With 30 Db Gain Control Range
• Manufacturer: Analog Devices, Inc.

ADL5331
2
CH3 200mV Ω
Figure 11. Gain vs. Frequency (Differential 50 Ω Output Load)
40
35
30
25
20
15
10
–10
–15
–20
–25
–30
0.5
30
25
20
15
10
–5
5
0
50
Figure 10. Step Response of Gain Control Input
0.6
CH2 500mV
Figure 9. Output IP3 vs. V
0.7
0.8
500
FREQUENCY (MHz)
M 2.0µs 25.0MS/s 40.0ns/pt
A CH1
0.9
V
GAIN
(V)
1.0
GAIN
150mV
at 900 MHz
1.1
1000
1.2
V
V
V
V
V
V
V
V
GAIN
GAIN
GAIN
GAIN
GAIN
GAIN
GAIN
GAIN
t1: 2.24µs
t2: 1.2µs
Δt: –1.04µs
1/Δt: –961.5kHz
MEAN(C1) 1.358V
AMPL(C1) 3.36V
AMPL(C2) 900mV
1.3
= 1.4V
= 1.2V
= 1.0V
= 0.8V
= 0.6V
= 0.4V
= 0.2V
= 0V
1.4
Rev. 0 | Page 8 of 16
Figure 12. Gain vs. Frequency (Differential 100 Ω Output Load)
–148
–150
–152
–154
–156
–158
–160
–10
–15
–20
–25
25
20
15
10
–5
5
0
0.1
50
Figure 13. Output Noise Spectral Density vs. V
0.3
100MHz
400MHz
900MHz
0.5
500
FREQUENCY (MHz)
V
0.7
GAIN
(V)
0.9
1000
1.1
V
V
V
V
V
V
V
V
GAIN
GAIN
GAIN
GAIN
GAIN
GAIN
GAIN
GAIN
GAIN
= 1.4V
= 1.2V
= 1.0V
= 0.8V
= 0.6V
= 0.4V
= 0.2V
= 0V
1.3