CHA3514
6-18GHz Digital Variable Amplifier
Typical chip on wafer Sij parameters for reference state
Tamb 25° B = D = 4.5V, Id = 190mA, 10A, 5A, 2.5A, 20A = -5V, 10B, 5B, 2.5B, 20B = 0V
C,
Freq (GHz)
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
10.5
11.0
11.5
12.0
12.5
13.0
13.5
14.0
14.5
15.0
15.5
16.0
16.5
17.0
17.5
18.0
18.5
19.0
19.5
20.0
20.5
21.0
21.5
22.0
22.5
23.0
23.5
24.0
dB(S11)
-0.8
-1.5
-2.1
-2.8
-4.1
-5.1
-6.3
-7.8
-9.3
-10.7
-12.2
-13.8
-15.0
-15.6
-16.2
-16.6
-16.1
-15.3
-14.6
-14.0
-13.0
-12.2
-11.8
-11.5
-11.2
-11.6
-12.5
-13.1
-13.2
-14.1
-15.7
-18.0
-19.7
-16.8
-12.7
-9.9
-7.1
-5.3
-4.1
-3.3
-2.8
-2.6
-2.4
-2.2
-2.2
-2.1
-2.1
P(S11) (°
)
-42.4
-62.3
-81.0
-99.6
-116.9
-133.6
-148.7
-162.3
-175.1
174.7
167.3
161.4
157.0
155.3
156.1
154.3
151.1
148.6
145.0
136.7
127.2
119.0
108.7
96.1
83.5
73.4
64.6
57.6
52.4
44.8
40.2
39.2
66.0
97.0
96.4
89.2
80.6
68.5
54.4
41.5
30.8
21.1
11.6
3.5
-3.3
-10.1
-16.9
dB(S21)
-44.8
-24.1
-6.6
2.5
8.3
11.0
12.4
13.3
13.9
14.3
14.6
14.9
15.1
15.2
15.3
15.4
15.5
15.5
15.5
15.5
15.5
15.5
15.5
15.4
15.3
15.2
15.3
15.4
15.5
15.5
15.4
15.3
14.9
14.5
13.8
12.7
10.3
6.6
2.6
-0.8
-3.6
-5.8
-7.7
-9.3
-10.6
-11.9
-13.2
P(S21) (°
)
-114.9
-166.4
156.9
94.4
37.6
-17.7
-65.1
-107.0
-145.1
178.9
144.5
111.4
79.3
47.9
16.9
-13.7
-44.0
-73.9
-103.8
-133.5
-163.1
167.2
137.5
107.7
77.9
49.1
20.1
-10.6
-42.1
-74.7
-108.3
-143.1
-178.3
144.9
105.1
64.1
19.1
-19.0
-47.9
-70.2
-89.1
-107.0
-125.3
-143.8
-162.9
176.9
156.5
dB(S12)
-69.9
-69.2
-67.0
-61.4
-69.4
-86.1
-78.4
-72.8
-70.0
-68.7
-66.8
-64.9
-67.2
-62.7
-59.7
-57.5
-55.6
-54.7
-53.2
-54.7
-56.0
-56.4
-59.8
-76.5
-65.0
-60.2
-59.5
-55.2
-49.9
-45.5
-43.7
-42.0
-41.7
-41.5
-41.0
-42.1
-45.0
-50.6
-54.4
-53.6
-54.2
-54.2
-55.5
-58.9
-62.1
-65.9
-62.2
P(S12) (°
)
-91.3
-148.8
-165.4
-179.5
74.2
97.0
133.3
112.9
77.8
34.4
-5.4
-37.6
-61.6
-85.6
-109.9
-138.0
-167.3
171.2
136.4
117.6
96.6
74.2
43.6
22.9
178.8
148.9
146.9
142.1
141.5
117.2
87.3
61.2
36.3
14.5
-13.7
-42.4
-76.5
-91.9
-69.2
-67.9
-66.0
-73.1
-89.7
-95.4
-90.4
-60.7
-32.7
dB(S22)
-3.3
-4.6
-7.2
-10.5
-14.8
-17.4
-16.9
-15.5
-14.4
-13.5
-12.9
-12.4
-12.1
-12.0
-12.2
-12.7
-13.6
-15.1
-17.3
-20.4
-23.7
-24.5
-22.9
-21.9
-20.1
-17.4
-15.1
-13.5
-12.6
-12.6
-13.9
-16.6
-21.3
-22.3
-17.6
-15.1
-15.6
-20.1
-29.1
-19.5
-14.7
-12.0
-10.4
-9.4
-8.8
-8.6
-8.6
P(S22) (°
)
-59.4
-89.6
-122.7
-160.5
147.5
88.8
43.1
15.9
-2.5
-17.5
-30.6
-42.3
-54.0
-66.0
-78.5
-90.1
-102.2
-113.3
-123.0
-125.3
-113.1
-88.9
-73.3
-66.9
-59.5
-59.3
-68.1
-81.7
-99.9
-121.4
-146.5
-177.9
136.0
46.6
-12.9
-51.6
-84.5
-107.2
-59.0
-18.0
-29.5
-43.1
-56.0
-69.1
-81.5
-92.4
-102.8
Ref. : DSCHA3514-8144 - 23 May 08
4/10
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 ]
