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The series CMT magic tee hybrid coupler covers 18 to 170 GHz in nine waveguide bands. Each coupler is offered in two versions, one providing a bandwidth of 60% and the other providing a bandwidth of 90%.
Electrical Specifications:
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Model
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CMT-42
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CMT-28
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CMT-22
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CMT-19
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CMT-15
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Frequency band
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K
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Ka
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Q
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U
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V
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60% and 90% Bandwidth Versions (Note1)
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Frequency coverage: 90% bandwidth version (GHz)
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18-25
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26.5-38
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33-48
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40-58
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50-72
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Bandwidth: 60% bandwidth version (GHz center)
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5
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8
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10
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12
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15
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Selectable center frequency range: 60% bandwidth version (GHz)
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20.5-22.5
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30.5-34
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38-43
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46-52
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57.5-64.5
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Insertion loss (dB) (max)
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0.5
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0.5
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0.7
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0.8
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1
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VSWR (max)
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H-Arm ports
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1.5:1
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1.5:1
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1.5:1
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1.5:1
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1.5:1
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E-Arm ports
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1.6:1
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1.6:1
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1.6:1
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1.6:1
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1.6:1
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Isolation (min)
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E- to H- arms
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30
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30
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30
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30
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30
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Co-linear arms
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20
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20
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20
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20
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20
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Balance (± dB) (max)
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0.5
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0.5
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0.5
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0.5
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0.5
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|
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Model
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CMT-12
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CMT-10
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CMT-08
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CMT-06
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|
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Frequency band
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E
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W
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F
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D
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60% and 90% Bandwidth Versions (Note1)
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Frequency coverage: 90% bandwidth version (GHz)
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60-87
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75-106
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---
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---
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Bandwidth: 60% bandwidth version (GHz center)
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18
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21
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30
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36
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|
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Selectable center frequency range: 60% bandwidth version (GHz)
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69-78
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85.5-95.5
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105-120
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128-146
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Insertion loss (dB) (max)
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1
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1
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1.2
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1.2
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|
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VSWR (max)
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H-Arm ports
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1.5:1
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1.5:1
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1.5:1
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1.5:1
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|
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E-Arm ports
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1.6:1
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1.6:1
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1.6:1
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1.6:1
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|
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Isolation (min)
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E- to H- arms
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30
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30
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30
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30
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Co-linear arms
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20
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20
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20
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20
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Balance (± dB) (max)
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0.5
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0.5
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0.5
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0.5
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1) Percentage bandwidth denotes percent of full waveguide bandwidth.
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