Title :
Monolithic Ka-band even-harmonic quadrature resistive mixer for direct conversion receivers
Author :
Ang, K.S. ; Chongcheawchamnan, M. ; Kpogla, D. ; Young, P.R. ; Robertson, I.D. ; Dong-Sik Kim ; Moon-chuel Ju ; Hwa-Chang Seo
Author_Institution :
Microwave & Syst. Res. Group, Surrey Univ., Guildford, UK
Abstract :
This paper describes the design and measured performance of a Ka-band even-harmonic quadrature mixer which employs PHEMT resistive mixer elements. By employing the even-harmonic technique, with local oscillator at half the RF input frequency, the mixer is better suited for direct conversion receiver application. The chip operates In the 30 to 40 GHz range and has been used to successfully demodulate a 4 Mb/s 16-QAM signal at 38 GHz.
Keywords :
HEMT integrated circuits; MMIC mixers; field effect MIMIC; low-power electronics; millimetre wave mixers; quadrature amplitude modulation; 16-QAM signal; 30 to 40 GHz; 4 Mbit/s; Ka-band; MMIC mixers; PHEMT resistive mixer elements; RF input frequency; direct conversion receiver application; even-harmonic quadrature resistive mixer; local oscillator; Baseband; Circuits; Complexity theory; Demodulation; Impedance matching; Mixers; PHEMTs; Power harmonic filters; Radio frequency; Semiconductor device measurement;
Conference_Titel :
Radio Frequency Integrated Circuits (RFIC) Symposium, 2001. Digest of Papers. 2001 IEEE
Conference_Location :
Phoenix, AZ, USA
Print_ISBN :
0-7803-6601-8
DOI :
10.1109/RFIC.2001.935668
