SWITCHED FILTER BANKS

                                               
  Contact Us          Application Notes for Integrated Microwave Assemblies (IMA)
 
Kratos General Microwave provides various types of switched filter banks. These are customized products designed to meet specific customer requirements. The main features of this product line are:

1. Fast Switching
2. Low Loss
3. Temperature Stability

The following filter technologies are being used:
 
1. Cavity Combline
2. Lumped Elements
3. Printed Filters 
 
The following are samples of switched filter banks supplied by us
 
 SUB-Miniature SWITCHED FILTER BANK

           FEATURES

  • Miniature Cavity 9 Channel
  • Very Thin unit: 9 mm, 0.3”
 Sub-Miniature Switched Filter Bank
 
 
Model SBF-0518-7-LEM
VARIOUS TECHNOLOGIES IMPLEMENTED IN A SWITCHED FILTER BANK

  

         FEATURES

  • Filters Implements by: Lumped Elements and Printed filters
  • No. of Channels: 7
  • Frequency range: 0.5 to 18 GHz
 Switched Filter Bank Model SBF-0518-7-LEM  Various Technologies Implemented in a Switched Filter Bank
 
CH
Pass Band
(GHz)
 Insertion
Loss
(dB)
 Rejection (GHz)
     9.0  30 dB  45 dB 55 dB
60 dB
 1  0.472 to 0.808  9.0  14 to 20    1 to 14  DC to 0.22
 2  0.728 to 1.320  9.0  14 to 20    1.5 to 14  DC to 0.4
 3  1.240 to 2.088  9.0  16 to 20    2.4 to 16  DC to 0.07
 4  10.456 to 18.088  9.0    21 to 30  DC to 8.4  
 5  2.000 to 3.500  9.0    21 to 30  DC to 1.4  4 to 10
 6  3.400 to 6.100  9.0    DC to 2.9    6.8 to 20
 7  5.950 to 10.550  9.0      DC to 4.7  12 to 21
 
 
 
Model SBF-620-4-MEC
CAVITY TYPE SWITCHED FILTER BANK
 

           FEATURES

  • Filter implement by: Cavity
  • No. of Channels: 4
  • Frequency range: 6 to 20.5 GHz
 Cavity Type Switched Filter Bank
 
Operational Chart for Cavity Type Switched Filter Bank
 
CH
Pass Band
(GHz)
Insertion
Loss (dB)
max.
Min. Rejection
(GHz)
 50 dB  65 dB  50 dB
 1 5.95 to 9.05
7.5 2.2 to 5.2
 13.4 to 16.4
11.2
 2 8.95 to 12.85
7.5  1.6 to 5.4 16.0 to 19.8
14.4
 3 12.75 to 16.05
7.5 1.6 to 4.8
6.4 to 9.6
11.2
 4 15.95 to 20.05
7.5 1.6 to 3.6

8.8 to 12.8

14.4
 
 
 
Model SBF-618-6-PRT
PRINTED TYPE SWITCHED FILTER BANKS
          FEATURES
  • Filter implemented by: Printed filters
  • No. of Channels: 6
  • Frequency range: 5.5 to 18 GHz
Printed Type Switched Filter Bank
 
Operational Chart for Printed Type Switched Filter Bank
No.
Freq. Range (GHz) Ins. Loss
(dB)
Stop Band
55 dBc (GHz)
Stop Band
70 dBc (GHz)
 1 5.5 to 7.9
6.0
2.0 to 4.3
9.2 to 19.0
 2 7.7 to 10.0
6.8
2.0 to 6.2
 11.3 to 19.0
 3 9.6 to 12.0
6.8
2.0 to 8.2
13.3 to 19.0
 4 11.7 to 14.0
6.5
2.0 to 10.5
15.5 to 19.0
 5  13.7 to 15.7 6.5
2.0 to 12.0
17.0 to 19.0
 6  15.6 to 17.8  6.5  2.0 to 13.5  @ 19.0