31-40GHz Variable Gain Amplifier
Typical Measured Performance
Tamb. = +25° Vd = +3.5V, Vg tuned for Id = 160mA
C,
CHA3694-QDG
Measurements in the package access planes, using the proposed land pattern & board
96270, as defined page 10.
Linear Gain versus Frequency
22
18
Vctrl=-1.5V
14
Linear Gain (dB)
10
6
2
-2
-6
-10
-14
-18
30
31
32
33
34
35
36
37
38
39
40
41
42
43
Frequency (GHz)
Vctrl=-0.7V
Vctrl=-0.6V
Vctrl=-0.5V
Vctrl=-0.4V
Vctrl=-0.3V
Vctrl=+0.6V
Linear Gain versus Gain Control Voltage
22
18
14
Linear Gain (dB)
10
6
2
-2
-6
-10
-14
-18
-1,6
Freq=40GHz
Freq=31GHz
-1,4
-1,2
-1,0
-0,8
-0,6
-0,4
-0,2
0,0
0,2
0,4
0,6
Gain Control Voltage (V)
Ref. : DSCHA3694-QDG7234 - 22 Aug 07
5/10
Specifications subject to change without notice
Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE
Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09
UMS [ UNITED MONOLITHIC SEMICONDUCTORS ]
