600-720 GHz Receiver Homepage

650 GHz Mixer Block

Related Papers:
J.W. Kooi, P.L. Schaffer, B. Bumble, R. LeDuc, and T.G. Phillips

Proceedings International Society of Optical Engineers, Kona, Hawaii, March 1998.

J.W. Kooi, M.S. Chan, H.G. Leduc, and T.G. Phillips,

Seventh International Symposium on Space Terahertz Technology, Charlottesville, Virginia, March 1996.

J.W. Kooi, C.K. Walker, H.G. LeDuc, T.R. Hunter, D.J. Benford, and T.G. Phillips,

Int J. IR and MM Waves, Vol. 15, No. 3, 477-492, 1994.

Mixer Information

     650 GHz Tuning Information:  
  • Frequency response of the 650 GHz receiver at the CSO (14.3K).  
  • Properly tuned mixer at 702 GHz (CSO) (11.2K).  
  • Local Oscillator requirement for the 665 GHz receiver (8.7K).

         650 GHz Simulations:  

  • 665 GHz Butterfly RF matching network and SIS Junction (71.3K).  
  • Input impedance of the Butterfly matching network (21.1K).  
  • "Butterfly" matching network simulated response for a 40 Ohm Zant and conjugate match (10.1K).  
  • Optimum Power transmission of the "Butterfly", "End-loaded" and Radial stub compared (9.2K).  
  • "End-loaded" v.s Radial stub designs compared for a 650 GHz center frequency design (9.3K).

         Optics loss and Tuner related information:  

  • Auto-Cad rendering of the non-contacting circular backshort and E-plane tuners (20K)  
  • Optics loss at 690 GHz using the intersecting lines technique (10K).

    650 Mixer and Cryostat Images:  
  • Close up view of the 650 GHz mixer block (132K)  
  • 650 GHz junction and horn block (82K)  
  • View of the 345 and 665 mixers (83K)  
  • Close-up view of 345 and 650 mixers mounted in Cryostat (213K)  
  • General view of 345 and 650 mixers mounted in Cryostat (202K)
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            Web Page created and last updated on March 20, 2001, by: Jacob W. Kooi