LMH6881 Datasheet, PDF (11/35 Pages) Texas Instruments – Small Signal Bandwidth: 2400 MHz

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Typical Characteristics (continued)
5
8 dB Gain Control
4
Output Voltage
4
3
3
2
2
1
1
0
0
-1
-1
-2
0 10 20 30 40 50 60 70 80 90 100
TIME (ns)
Figure 25. 8-dB Step Control Timing Behavior
125
100
75
R
50
X ^{Impedance = R + j X}
25
0
-25
-50
0
400 800 1200 1600 2000
FREQUENCY (MHz)
Figure 27. Input Impedance
50
45
40
35
30
25 f = 100 MHz
POUT= 4dBm / Tone
20
6 8 10 12 14 16 18 20 22 24 26
VOLTAGE GAIN (dB)
Figure 29. OIP3 Overvoltage Gain Range
LMH6881
SNOSC72F – JUNE 2012 – REVISED FEBRUARY 2015
0
-10
-20
-30
-40
-50
-60
1
10
100
1k
FREQUENCY (MHz)
Figure 26. Common Mode Rejection (Sdc21) vs Frequency
50
40
30
20
10
0
-10
-20
-30
-40
-50
0
R ^{Impedance = R + j X}
X
400 800 1200 1600 2000
FREQUENCY (MHz)
Figure 28. Output Impedance
35
30
25
20
15
10 LMH6881
Traditional DVGA
5
6 8 10 12 14 16 18 20 22 24 26
VOLTAGE GAIN (dB)
Figure 30. Noise Figure Overvoltage Gain Range DVGA
Response Shown for Comparison
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