CHT4699-QDG_15 Datasheet, PDF (4/12 Pages) United Monolithic Semiconductors – 36-44GHz Variable Attenuator

CHT4699-QDG
36-44GHz Variable Attenuator
Typical Package Sij parameters
Tamb.= +25°C, V1= 0V, V2= 0V, Maximum attenuation
Freq
S11 PhS11 S21 PhS21 S12
(GHz) (dB)
(°)
(dB)
(°)
(dB)
25
-12.5
-150
-29.2
178
-29.1
25.5
-12.2
-161
-29.3
162
-29.3
26
-12.0
-173
-29.1
142
-29.2
26.5
-11.8
176
-29.3
125
-29.2
27
-11.8
165
-29.2
107
-28.9
27.5
-11.9
153
-29.2
88
-29.2
28
-12.0
142
-29.4
71
-29.4
28.5
-12.3
131
-29.1
53
-29.1
29
-12.7
121
-29.1
36
-29.1
29.5
-13.0
111
-29.5
18
-29.4
30
-13.4
101
-29.3
2
-29.2
30.5
-14.1
90
-28.9
-15
-29.0
31
-14.8
80
-29.2
-33
-29.2
31.5
-15.8
71
-29.2
-50
-29.1
32
-16.8
65
-29.3
-66
-29.2
32.5
-17.8
59
-29.2
-83
-29.3
33
-18.9
55
-29.3
-98
-29.2
33.5
-20.0
53
-29.4
-118
-29.5
34
-20.9
-125
-29.8
-131
-29.7
34.5
-21.1
-124
-29.6
-148
-29.7
35
-21.1
-122
-29.7
-166
-29.4
35.5
-20.6
-120
-30.1
177
-29.9
36
-19.7
-121
-30.9
156
-30.7
36.5
-19.1
-127
-31.6
144
-31.8
37
-18.8
-130
-31.9
129
-32.1
37.5
-17.9
-134
-32.3
112
-32.3
38
-17.2
-139
-33.7
97
-33.5
38.5
-16.3
-146
-34.1
80
-34.1
39
-15.6
-154
-35.9
70
-35.8
39.5
-15.0
-161
-36.4
55
-37.0
40
-14.3
-169
-38.6
45
-38.6
40.5
-13.7
-178
-39.3
28
-39.2
41
-13.0
174
-43.1
32
-42.9
41.5
-12.4
165
-46.0
55
-45.2
42
-11.6
156
-41.5
55
-41.7
42.5
-10.7
145
-38.8
49
-39.0
43
-9.9
133
-36.4
30
-37.0
43.5
-9.3
120
-35.7
13
-36.1
44
-8.9
106
-35.0
-11
-34.6
44.5
-8.8
95
-35.4
-36
-35.4
45
-8.4
83
-38.0
-63
-37.5
45.5
-8.1
72
-39.6
-61
-39.0
46
-7.5
60
-40.9
-76
-39.7
46.5
-7.0
50
-42.3
-76
-42.3
47
-6.4
-143
-43.4
-71
-42.4
47.5
-6.0
-158
-40.3
-87
-40.9
48
-5.7
-171
-39.9
-90
-41.0
48.5
-5.2
176
-38.0
-105
-37.8
49
-5.0
161
-38.9
-119
-38.2
49.5
-4.8
146
-38.2
-135
-37.9
50
-4.7
132
-37.7
-160
-38.4
Refer to the “definition of Sij reference planes” section below
PhS12
(°)
178
162
142
125
107
88
71
53
35
18
2
-16
-33
-50
-66
-83
-99
-117
-131
-148
-165
176
156
145
129
112
94
79
70
55
44
32
27
43
55
48
35
13
-10
-36
-58
-67
-77
-81
-68
-78
-82
-103
-126
-138
-159
S22
(dB)
-12.7
-12.6
-12.4
-12.3
-12.3
-12.4
-12.6
-12.8
-13.1
-13.4
-13.9
-14.3
-15.1
-16.0
-17.2
-18.5
-19.7
-20.9
-21.5
-22.3
-23.4
-24.0
-24.1
-23.9
-22.7
-21.3
-20.0
-18.4
-17.2
-16.2
-15.1
-14.2
-13.2
-12.5
-11.3
-10.3
-9.5
-8.7
-8.2
-7.8
-7.2
-6.9
-6.3
-5.8
-5.2
-4.7
-4.3
-3.7
-3.5
-3.4
-3.2
PhS22
(°)
-153
-165
-177
171
158
145
132
120
108
95
84
72
60
49
39
30
24
19
-161
-164
-163
-159
-152
-146
-144
-146
-149
-154
-160
-168
-176
176
169
161
154
143
131
120
107
97
86
76
66
56
-136
-150
-162
-172
174
162
149
Ref. : DSCHT4699-QDG2118 - 27 Apr 12
4/12
Specifications subject to change without notice
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