CMT magic tee hybrid coupler

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

Model CMT-42 CMT-28 CMT-22 CMT-19 CMT-15
Frequency band K Ka Q U V
60% and 90% Bandwidth Versions (Note1)
Frequency coverage: 90% bandwidth version (GHz) 18-25 26.5-38 33-48 40-58 50-72
Bandwidth: 60% bandwidth version (GHz center) 5 8 10 12 15
Selectable center frequency range: 60% bandwidth version (GHz) 20.5-22.5 30.5-34 38-43 46-52 57.5-64.5
Insertion loss (dB) (max) 0.5 0.5 0.7 0.8 1
VSWR (max) H-Arm ports 1.5:1 1.5:1 1.5:1 1.5:1 1.5:1
E-Arm ports 1.6:1 1.6:1 1.6:1 1.6:1 1.6:1
Isolation (min) E- to H- arms 30 30 30 30 30
Co-linear arms 20 20 20 20 20
Balance (± dB) (max) 0.5 0.5 0.5 0.5 0.5
 
Model CMT-12 CMT-10 CMT-08 CMT-06  
Frequency band E W F D  
60% and 90% Bandwidth Versions (Note1)
Frequency coverage: 90% bandwidth version (GHz) 60-87 75-106 --- ---  
Bandwidth: 60% bandwidth version (GHz center) 18 21 30 36  
Selectable center frequency range: 60% bandwidth version (GHz) 69-78 85.5-95.5 105-120 128-146  
Insertion loss (dB) (max) 1 1 1.2 1.2  
VSWR (max) H-Arm ports 1.5:1 1.5:1 1.5:1 1.5:1  
E-Arm ports 1.6:1 1.6:1 1.6:1 1.6:1  
Isolation (min) E- to H- arms 30 30 30 30  
Co-linear arms 20 20 20 20  
Balance (± dB) (max) 0.5 0.5 0.5 0.5  

1) Percentage bandwidth denotes percent of full waveguide bandwidth.