CHA4664-QGG
5.5-16GHz Variable Gain Amplifier
Typical Measured Performance
Tamb = + 25° Vd = +4.5V, Id = 220mA
C,
Measurements in
the package access planes,
using the proposed land pattern & board
97364, as defined page 15.
Linear Gain versus frequency
26
24
22
20
18
16
14
12
10
8
6
4
2
0
-2
-4
5
6
7
8
9
10
11
12
13
14
15
16
17
Gain @ different Gc (dB)
(Gc = Gc1 = Gc2 = Gc3)
Gc=-2V
Gc=-1V
Gc=-0.9V
Gc=-0.8V
Gc=-0.7V
Gc=-0.6V
Gc=-0.4V
Gc=0V
Gc=0.6V
Frequency (GHz)
Linear Gain versus Gain control voltage (Gc = Gc1 = Gc2 = Gc3)
26
24
22
20
18
16
14
12
10
8
6
4
2
0
-2
-4
-2.0
Gain @ different frequencies (dB)
5.5GHz
7GHz
12GHz
16GHz
-1.8
-1.6
-1.4
-1.2
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
DC Gain control voltage (V)
Ref: DSCHA4664-QGG8073 - 13 Mar 08
4/16
Specifications subject to change without notice
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Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
UMS [ UNITED MONOLITHIC SEMICONDUCTORS ]
