Datasheet

-45
-50
-55
-60
-65
-70
-75
-80
-85
Frequency(MHz)
Gain(dB)
0.1 1 10 100
V
G
=+1V
A
VMAX
=+10V/V
V =2V
O
PP
R =100W
L
2nd-Harmonic
3rd-Harmonic
-60
-65
-70
-75
-80
-85
-90
Resistance( )W
HarmonicDistortion(dBc)
100 1k
V =+1V
G
A
VMAX
=+10V/V
V =2V
O PP
f=20MHz
2nd-Harmonic
3rd-Harmonic
-55
-60
-65
-70
-75
-80
OutputVoltageSwing(V )
PP
HarmonicDistortion(dBc)
0.1 1 10
V =+1V
G
A
VMAX
=+10V/V
R =100W
L
f=20MHz
2nd-Harmonic
3rd-Harmonic
-45
-50
-55
-60
-65
-70
GainControlVoltage(V)
HarmonicDistortion(dBc)
-0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0
2nd-Harmonic
V =2V
O PP
A =+10V/V
VMAX
R =100W
L
f=20MHz
3rd-Harmonic
MaxCurrentThrough
R Limited
G
40
38
36
34
32
30
28
26
24
22
20
GainControlVoltage(V)
InterceptPoint(+dBm)
-0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0
ConstantInputVoltage
ConstantOutputVoltage
At50 MatchedLoadW
45
40
35
30
25
20
Frequency(MHz)
InterceptP
oint(+dBm)
5 15 2010 25 30 35 40 45 50 55 60 65 70
At50 MatchedLoadW
VCA822
SBOS343C – SEPTEMBER 2007 – REVISED DECEMBER 2008 ..................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS: V
S
= ± 5V, A
VMAX
= +10V/V (continued)
At T
A
= +25 ° C, R
L
= 100 Ω , R
F
= 1k Ω , R
G
= 200 Ω , V
G
= +1V, and V
IN
= single-ended input on +V
IN
with – V
IN
at ground, unless
otherwise noted.
HARMONIC DISTORTION vs FREQUENCY HARMONIC DISTORTION vs LOAD RESISTANCE
Figure 42. Figure 43.
HARMONIC DISTORTION vs HARMONIC DISTORTION vs
OUTPUT VOLTAGE GAIN CONTROL VOLTAGE
Figure 44. Figure 45.
TWO-TONE, 3RD-ORDER TWO-TONE, 3RD-ORDER INTERMODULATION INTERCEPT
INTERMODULATION INTERCEPT vs GAIN CONTROL VOLTAGE (f
IN
= 20MHz)
Figure 46. Figure 47.
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