AD8367 Analog Devices, AD8367 Datasheet - Page 9

• Manufacturer Part Number: AD8367
• Description: 500 MHz, Linear-in-dB VGA with AGC Detector
• Manufacturer: Analog Devices

250
200
150
100
50
70
65
60
55
50
45
40
Figure 15. Input Resistance and Series Reactance vs. Frequency
Frequency from 10 MHz to 500 MHz for Multiple Values of V
0
0
0
180
Figure 17. Output Resistance and Series Reactance vs.
150
210
Figure 16. Input Reflection Coefficient vs.
100
100
120
240
Frequency at V
FREQUENCY (MHz)
FREQUENCY (MHz)
at V
200
200
GAIN
= 500 mV
90
270
GAIN
300
300
= 500 mV
300mV
500mV
700mV
400
400
60
300
30
330
0
500
500
GAIN
0
–25
–47
–73
–95
–120
20
15
10
5
0
–5
–10
Rev. A | Page 9 of 24
–0.1
–0.2
–0.3
0.5
0.4
0.3
0.2
0.1
Figure 18. Output Reflection Coefficient vs. Frequency from
25
20
15
10
0
5
0
180
0.1
150
210
Figure 19. AGA Time Domain Response (3 dB Steps)
Figure 20. Gain vs. Frequency for Multiple Values of
10 MHz to 500 MHz for Multiple Values of V
10nF
120
240
V
1
V
GAIN
HPFL Capacitor at V
1nF
OUT
100pF
700mV
500mV
10
FREQUENCY (kHz)
TIME (200ns/DIV)
90
270
300mV
100
NO CAP
GAIN
= 500 mV
10pF
1k
60
300
10k
GAIN
AD8367
30
330
0
100k