Title :
Study on the method of noise temperature measurement for Terachertz mixers
Author :
Shuhua Bo ; Jinchao Mou ; Chengran Dai ; Haopeng Yuan ; Weihua Yu
Author_Institution :
Dept. of Electron. Eng., Beijing Inst. of Technol., Beijing, China
Abstract :
This paper focuses on the noise temperature measurement for terahertz mixers. The basic principle of Y-factor method is introduced, which could be used to obtain the noise temperature as well as the conversion loss of a mixer. In order to reflect the noise temperature more accurately, the Rayleigh-Jeans law is corrected considering higher-order components derived from Plank law. According to the corrected Rayleigh-Jeans law, the noise temperature results from Y-factor method is also corrected. Finally, the 295 K/77 K load and the 1600/295 K load are compared for measuring the noise temperature of THz mixer.
Keywords :
microwave mixers; temperature measurement; Plank law; Rayleigh-Jeans law; Y-factor method; higher-order components; noise temperature measurement; terachertz mixers; Mixers; Noise; Noise measurement; Radar imaging; Receivers; Temperature; Temperature measurement; Y factor method; noise temperature; terahertz mixer;
Conference_Titel :
Antennas and Propagation (APCAP), 2014 3rd Asia-Pacific Conference on
Conference_Location :
Harbin
Print_ISBN :
978-1-4799-4355-5
DOI :
10.1109/APCAP.2014.6992751
