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Group Delay Equalized Filters

Group Delay Equalized Filter consists of bandpass filter and a group delay equalizer. This design approach allows our engineers to control the amplitude and delay responses separately thus permitting to meet the tightest delay and amplitude specifications. Sirius Microwave offers filters with group delay and amplitude ripples as low as 2 ns p-p and 0.2 dB respectively. The filter models presented below are most often asked for by our customers. If there is a need for a filter that is different from any of the item listed herein, please contact Sirius Microwave so that we may serve Your particular needs. Contact factory for details here.

 

Specifications
Center frequency
MHz
70/140
Input/Output Impedance
OHM
75
Input/Output Return Loss
dB
> 23
Insertion Loss
dB
10±1
Temperature Range
°C
0...+70
Dimensions L*W*H
inch
6.5 x 1.3 x 0.75
Finish
CL3 irridate
Connectors
SMA Female, optional SMA Male or BNC female
Model definition
FLT/EQ-xxx-yy
xxx-center frequency, yy-bandwidth

 

Mask Definitions:
Model No.
A
B
C
D
H
G
a
b
c
d
e
f
g
h
MHz
dB
ns
FLT/EQ-70-40
34.45
40
50.3
76.1
32
36.8
0.3
2.5
10
35
0.15
3.0
4.0
14
FLT/EQ-70-36
FLT/EQ-140-36
31
36
45.25
68.5
33.1
28.8
0.3
2.5
10
35
0.15
3
4
14
FLT/EQ-70-33
28.25
33
41.48
62.8
31.55
26.4
0.3
2.5
10
35
0.15
3
4
14
FLT/EQ-70-30
FLT/EQ-140-30
25.5
30
37.7
57.1
30
24
0.3
2.5
10
35
0.15
2.5
4
14
FLT/EQ-70-27
FLT/EQ-140-27
20.98
26.2
30.01
41.54
25.55
20.98
0.2
2.2
8.3
25
0
2
3
12
FLT/EQ-70-26
20.2
25.2
28.9
40
24.6
20.2
0.2
2.2
8.3
25
0
2
3
12
FLT/EQ-70-25
19
22.5
25.8
35.2
20.7
18
0.3
2.5
9
35
0.1
2.5
4
14
FLT/EQ-70-24
FLT/EQ-140-24
17.3
21.6
24.7
32.8
19.9
17.3
0.25
2.5
7.9
25
0.1
2.5
4
14
FLT/EQ-70-22
16.28
19.5
22.6
39.9
18.25
15.85
0.3
2.5
7.5
25
0.1
3
4
14
FLT/EQ-70-20
FLT/EQ-140-20
15.25
18
20.5
29
16.6
14.4
0.25
2.5
7.5
35
0.1
3
4
14
FLT/EQ-70-18
13.73
16.2
18.51
27.26
14.6
12.96
0.25
2.5
6.5
35
0.05
3
4
14
FLT/EQ-70-17.5
FLT/EQ-140-17.5
13.35
15.75
18
26.5
14.2
12.6
0.25
2.5
6.5
35
0.05
3
4
14
FLT/EQ-70-16
12.27
14.4
16.53
24.23
13.23
11.52
0.3
2.5
7
34
0.1
4
5
15
FLT/EQ-70-15
11.5
13.5
15.5
23.5
12.4
10.8
0.3
2.5
6.5
35
0.1
4
5
15
FLT/EQ-70-12
9.18
10.8
12.3
18.2
9.96
8.64
0.3
2.5
7
35
0.1
5
5
16
FLT/EQ-70-10
7.65
9
10.25
14.5
8.3
7.2
0.3
2.5
7
34
0.1
6
6
18
FLT/EQ-70-08
6.13
7.2
8.27
12.53
6.61
5.76
0.4
2.5
6
33
0.1
6,5
6,5
20

 

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