CHT4699-QDG Datasheet, PDF (3/12 Pages) United Monolithic Semiconductors – 36-44GHz Variable Attenuator

36-44GHz Variable Attenuator
CHT4699-QDG
Typical Package Sij parameters
Tamb.= +25°C, V1= -5V, V2= -5V, Minimum attenuation
Freq
S11 PhS11 S21 PhS21 S12
(GHz) (dB)
(°)
(dB)
(°)
(dB)
25
-12.6
-106
-3.2
176
-3.2
25.5
-11.0
-124
-3.5
156
-3.5
26
-9.8
-140
-3.6
137
-3.6
26.5
-8.8
-157
-3.8
118
-3.8
27
-8.3
-174
-3.9
99
-3.9
27.5
-7.9
170
-4.0
81
-4.0
28
-7.8
154
-4.1
62
-4.1
28.5
-7.8
139
-4.1
44
-4.1
29
-7.9
124
-4.1
25
-4.1
29.5
-8.1
108
-3.9
7
-3.9
30
-8.4
92
-3.8
-13
-3.8
30.5
-9.1
76
-3.7
-33
-3.7
31
-10.0
59
-3.6
-52
-3.6
31.5
-11.3
43
-3.6
-73
-3.6
32
-12.7
27
-3.6
-92
-3.6
32.5
-14.7
11
-3.7
-112
-3.7
33
-17.1
-4
-3.6
-131
-3.6
33.5
-20.5
-21
-3.5
-151
-3.5
34
-25.9
140
-3.5
-171
-3.4
34.5
-39.6
98
-3.4
168
-3.4
35
-31.7
-51
-3.3
148
-3.3
35.5
-25.6
-72
-3.3
127
-3.3
36
-23.1
-81
-3.1
106
-3.1
36.5
-21.2
-88
-3.1
84
-3.1
37
-19.4
-93
-3.2
63
-3.2
37.5
-17.4
-102
-3.2
40
-3.2
38
-15.7
-111
-3.3
18
-3.3
38.5
-14.1
-122
-3.4
-4
-3.5
39
-12.8
-135
-3.8
-26
-3.8
39.5
-11.7
-148
-4.0
-47
-4.0
40
-10.6
-162
-4.1
-69
-4.1
40.5
-9.8
-178
-4.3
-90
-4.3
41
-9.4
165
-4.4
-112
-4.4
41.5
-9.4
148
-4.7
-133
-4.7
42
-9.5
133
-4.6
-154
-4.6
42.5
-10.1
117
-4.5
-177
-4.5
43
-11.3
103
-4.5
160
-4.5
43.5
-13.1
95
-4.5
136
-4.5
44
-14.6
98
-4.7
109
-4.7
44.5
-13.7
110
-5.3
84
-5.3
45
-10.9
108
-6.0
59
-5.9
45.5
-8.5
96
-6.9
35
-6.9
46
-6.9
79
-7.9
13
-7.9
46.5
-5.7
64
-8.9
-6
-8.9
47
-4.9
-134
-9.7
-26
-9.7
47.5
-4.3
-152
-10.5
-46
-10.5
48
-4.1
-169
-11.3
-64
-11.3
48.5
-3.7
176
-11.6
-82
-11.5
49
-3.6
159
-12.1
-101
-12.1
49.5
-3.6
143
-12.7
-119
-12.7
50
-3.8
127
-13.0
-138
-13.0
Refer to the “definition of Sij reference planes” section below
PhS12
(°)
176
156
137
118
99
81
62
44
25
7
-13
-33
-52
-73
-92
-112
-131
-151
-171
168
148
127
106
84
63
40
18
-4
-26
-47
-69
-90
-112
-133
-154
-176
160
136
109
84
59
35
13
-6
-26
-46
-64
-81
-102
-119
-138
S22
(dB)
-12.9
-11.2
-9.8
-8.9
-8.3
-7.9
-7.8
-7.8
-7.9
-8.1
-8.4
-9.1
-10.0
-11.3
-13.0
-14.9
-16.8
-19.1
-21.7
-24.4
-27.3
-29.9
-34.9
-33.3
-25.9
-20.7
-17.2
-14.9
-13.1
-11.6
-10.4
-9.5
-9.1
-9.2
-9.2
-9.8
-10.9
-12.7
-14.2
-12.8
-9.6
-7.3
-5.7
-4.6
-3.7
-3.2
-2.9
-2.3
-2.3
-2.4
-2.3
PhS22
(°)
-103
-122
-140
-158
-177
165
147
130
113
95
77
60
42
24
8
-6
-18
-29
146
143
142
139
110
-13
-53
-76
-97
-117
-133
-151
-168
174
158
142
128
112
99
92
98
113
111
99
85
70
-127
-144
-158
-172
173
159
146
Ref. : DSCHT4699-QDG2118 - 27 Apr 12
3/12
Specifications subject to change without notice
Bât. Charmille - Parc SILIC - 10, Avenue du Québec - 91140 VILLEBON-SUR-YVETTE - France
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