CHA2097A_15 Datasheet, PDF (5/8 Pages) United Monolithic Semiconductors – 20-40GHz Variable Gain Amplifier

20-40GHz Variable Gain Amplifier
Typical On wafer measurements:
Tamb = +25°C
CHA2097a
Gain and phase versus voltage control on CL pad :
CHA2097 Vd=3,5v Vg=0v Id=140mA
20
18
Gain at 20GHz
16
14
Gain at 30GHz
12
10
8
6
Gain at 40GHz
4
2
0
-1 -0,9 -0,8 -0,7 -0,6 -0,5 -0,4 -0,3 -0,2 -0,1 0
Vctrl (V)
CHA2097 Vd=3,5v Vg=0v Id=140mA
310
290
270
250
230
Phi at 40GHz
210
190
170
150
130
110
Phi at 30GHz
90
70
50
30
10
Phi at 20GHz
-10
-30
-50
-70
-1 -0,9 -0,8 -0,7 -0,6 -0,5 -0,4 -0,3 -0,2 -0,1 0
Vctrl (V)
Sij parameter measurements versus frequency for 2 voltage control on CL pad:
22
20
18
16
14
12
10
8
6
4
2
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
-22
0
CHA2097 Vd=3,5v Vg=0v Vctrl=-1V Id=140mA
Gain
S22
S11
10
20
30
40
50
60
Frequency (GHz)
CHA2097 Vd=3,5v Vg=0v Vctrl=-0,3V Id=140mA
12
10
8
6
4
Gain
2
0
-2
-4
-6
-8
-10
S22
-12
-14
-16
-18
-20
-22
-24
S11
-26
-28
-30
-32
0
10
20
30
40
50
60
Frequency (GHz)
Ref. : DSCHA20978021-21 Jan 08
5/8
Specifications subject to change without notice
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