ADA4961

Data Sheet

Rev. C | Page 12 of 24

100M

1G

4G

FREQUENCY (Hz)

0

2

4

6

8

10

12

14

16

18

20

GAIN = 0dB

GAIN = 7dB

GAIN = 15dB

Figure 28. Group Delay vs. Frequency at 15 dB, 7 dB, and 0 dB Gain Settings, 5.0 V

FREQUENCY (Hz)

10G

100M

10M

1G

–24

–25

–26

–27

–28

–29

–30

–31

–32

–33

–34

–35

–36

–37

–38

–39

–40

–41

GAIN = 0dB

GAIN = 7dB

GAIN = 15dB

Figure 29. S12 vs. Frequency at 15 dB, 7 dB, and 0 dB Gain Settings, 5.0 V

FREQUENCY (Hz)

100M

1G

4G

180

160

140

120

100

80

60

40

20

0

50

40

30

20

10

0

GAIN = 0dB

GAIN = 7dB

GAIN = 15dB

Figure 30. S11 Resistor-Inductor-Capacitor (RLC) vs. Frequency at 15 dB, 7 dB,

and 0 dB Gain Settings, 5.0 V

FREQUENCY (Hz)

4G

100M

1G

85

80

75

70

65

60

55

50

45

40

50

0

–50

GAIN = 0dB

GAIN = 7dB

GAIN = 15dB

Figure 31. S22 RLC vs. Frequency at 15 dB, 7 dB, and 0 dB Gain Settings, 5.0 V

0

20

40

60

80

100

120

140

160

180

200

–40

–20

0

20

40

60

80

100

TEMPERATURE (°C)

5V, HP

5V, LP

3.3V, LP

Figure 32. Supply Current vs. Temperature

CH1 40mV/DIV

CH2 500mV/DIV

10ns/DIV

A CH2

350mV

1

2

Figure 33. Fast Attack Assertion Time, High Gain to Low Gain, 8 dB Step