Jun LIU, Wei HE, Hai-Dong QIAO, Wei-Hua YU, Xin LYU. The study and application of D-band radiometer front-end[J]. Journal of Infrared and Millimeter Waves, 2020, 39(6): 704
- Journal of Infrared and Millimeter Waves
- Vol. 39, Issue 6, 704 (2020)
Fig. 1. (a) The split-block module with MMIC, (b) the photo of the LNA module
Fig. 2. LNA packaged measured S-parameters, on-chip S21
Fig. 3. Schematic diagram of D-band detector
Fig. 4. Small signal linear model of HSCH-9161
Fig. 5. (a) Simulation model of input waveguide to microstrip, and (b) the simulated result
Fig. 6. (a)Simulation model of low pass filter, and (b) the simulated result
Fig. 7. Photo of the detector
Fig. 8. Diagram of sensitivity measurement setup for detector
Fig. 9. The measured sensitivity of the detector
Fig. 10. Principle of imaging experimental
Fig. 11. Photo of the measurement setup
Fig. 12. Imaging result of the radiometer front-end without LNA
Fig. 13. Imaging result of the radiometer front-end with LNA
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