Title :
A 115–155 GHz quadrature up-converting MMIC mixer in InP DHBT technology
Author :
Carpenter, Sona ; Abbasi, Mohammadjavad ; Zirath, Herbert
Author_Institution :
Dept. of Microtechnol. & Nanosci., Chalmers Univ. of Technol., Gothenburg, Sweden
Abstract :
This paper presents a millimeter-wave (mmWave) direct quadrature modulator in 0.25μm InP DHBT technology. The modulator operates over the frequency range of 115 GHz to 155 GHz and is based on double balanced Gilbert mixer cells. The design is tested with a CW input signal at 1 GHz and 0 dBm LO power and exhibits up to 6 dB conversion gain and more than 22 dB image rejection ratio. The LO signal is suppressed by more than 27 dB. The chip consumes 78 mW DC power and can provide up to 3 dBm RF power in saturation. The active chip area is 560μm× 440μm.
Keywords :
III-V semiconductors; MMIC mixers; heterojunction bipolar transistors; indium compounds; modulators; submillimetre wave mixers; CW input signal; InP DHBT technology; LO signal; double balanced Gilbert mixer cells; frequency 1 GHz; frequency 115 GHz to 155 GHz; millimeter-wave direct quadrature modulator; mmWave direct quadrature modulator; power 78 mW; size 0.25 mum; upconverting MMIC mixer; Frequency measurement; Gain; Microwave circuits; Microwave communication; Mixers; Modulation; Radio frequency; D-band; Gilbert cell mixer; I-Q mixer; InP Double-Heterojunction Bipolar Transistor (DHBT); MMIC; sub-millimeter wave; upconverter;
Conference_Titel :
Microwave Integrated Circuits Conference (EuMIC), 2013 European
Conference_Location :
Nuremberg
