71-76GHz Medium Power Amplifier
CHA3080-98F
Typical on wafer Measurements
Tamb.= +25°C, Vd = Dc = 3.5V, Id (quiescent) = 280mA
Gain & output power versus input power
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
Power at 71GHz
Power at 76GHz
Gain at 71GHz
Gain at 76GHz
3
2
-16
-14
-12
-10
-8
-6
-4
-2
0
2
4
6
8
10
Input power (dBm)
Linear Gain versus gate voltage
Drain current versus gate voltage & Pin
Vg3 fixed at +0.18V, Vg1=Vg2 variable
20
Vg3 fixed at +0.18V, Vg1=Vg2 variable
0.34
0.32
0.3
0.28
0.26
0.24
0.22
0.2
17.5
15
12.5
10
7.5
5
0.18
0.16
0.14
0.12
0.1
-0.35V
-0.1V
-0.3V
0V
-0.25V
+0.15V
-0.2V
+0.18V
-0.35V
-0.1V
-0.3V
0V
-0.25V
+0.15V
-0.2V
+0.18V
2.5
0
69
70
71
72
73
74
75
76
-15 -13 -11 -9 -7 -5 -3 -1
1
3
5
7
9
Frequency (GHz)
Input power (dBm)
Ref. : DSCHA30803245 - 02 Sep 13
5/14
Specifications subject to change without notice
Bât. Charmille - Parc SILIC - 10, Avenue du Québec - 91140 VILLEBON-SUR-YVETTE - France
Tel.: +33 (0) 1 69 86 32 00 - Fax: +33 (0) 1 69 86 34 34
UMS [ UNITED MONOLITHIC SEMICONDUCTORS ]
