CHT4694-99F_15 Datasheet, PDF (3/14 Pages) United Monolithic Semiconductors – 25-45 GHz Attenuator

25-45 GHz Attenuator
CHT4694-99F
Typical Bias Conditions
Tamb.= +25°C
Symbol
V1
V2
Parameter
V1 control voltage
V2 control voltage
Values Unit
-5 to 0
V
-5 to 0
V
Typical on-wafer Sij parameters
Tamb = +25°C - V1 = -5V & V2= -5V – Minimum attenuation
Freq
S11 PhS11 S12 PhS12 S21
(GHz) (dB)
(°)
(dB)
(°)
(dB)
25.0
-17.8 -45.3
-2.4
67.5
-2.3
26.0
-17.0 -45.6
-2.7
55.6
-2.5
27.0
-16.2 -47.6
-2.6
43.3
-2.7
28.0
-16.0 -57.3
-2.6
28.2
-2.8
29.0
-16.4 -61.1
-2.8
15.2
-2.9
30.0
-16.9 -69.0
-2.9
1.1
-3.0
31.0
-18.8 -81.3
-3.4
-12.0
-3.3
32.0
-23.2 -88.2
-3.6
-24.1
-3.6
33.0
-33.0 -68.8
-3.6
-36.8
-3.7
34.0
-23.5 46.0
-3.7
-51.2
-3.8
35.0
-16.9 30.8
-4.1
-64.7
-4.3
36.0
-13.2 23.6
-3.9
-78.0
-4.8
37.0
-10.6
6.1
-4.1
-94.8
-4.3
38.0
-9.2
-6.2
-4.8 -109.5 -4.8
39.0
-8.0
-19.3
-4.6 -121.1 -5.0
40.0
-8.2
-31.8
-5.1 -137.5 -5.3
41.0
-8.2
-44.3
-4.8 -149.6 -5.5
42.0
-9.9
-46.2
-5.3 -170.7 -5.7
43.0
-10.3 -48.9
-5.9
177.1
-5.9
44.0
-11.1 -50.0
-6.0
162.5
-6.4
45.0
-11.4 -44.1
-6.6
145.4
-6.9
PhS21
(°)
69
55.5
41.6
28.6
15.2
1.8
-11.9
-25.5
-37.8
-51.3
-67.0
-78.1
-92.3
-108.0
-116.4
-135.8
-146.6
-167.3
178.5
163.8
150.5
S22
(dB)
-18.8
-17.0
-15.5
-15.1
-14.5
-14.6
-14.1
-14.8
-16.3
-17.8
-19.3
-19.8
-16.5
-15.3
-12.9
-12.8
-11.2
-12.3
-12.9
-13.6
-14.6
PhS22
(°)
-15.8
-29.5
-40.1
-50.7
-61.3
-68.0
-73.2
-81.6
-88.2
-83.1
-66.4
-55.3
-40.0
-38.1
-53.0
-58.6
-64.6
-70.1
-69.6
-70.6
-60.8
Ref. : DSCHT46942305 - 31 Oct 12
3/14
Specifications subject to change without notice
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