A 5G mm-wave compact voltage-controlled oscillator in 0.25 µm pHEMT technology

• Published in: International journal of electrical and computer engineering (Malacca, Malacca) Vol. 11; no. 2; p. 1036
• Main Authors: Es-saqy, Abdelhafid, Abata, Maryam, Mehdi, Mahmoud, Fattah, Mohammed, Mazer, Said, El Bekkali, Moulhime, Algani, Catherine
• Format: Journal Article
• Language: English
• Published: Yogyakarta IAES Institute of Advanced Engineering and Science 01.04.2021; Institute of Advanced Engineering and Science (IAES)
• Subjects: Electronics; Engineering Sciences; Integrated circuits; Millimeter waves; MMIC (circuits); Power consumption; Substrates; Voltage controlled oscillators
• ISSN: 2088-8708; 2722-2578; 2088-8708
• DOI: 10.11591/ijece.v11i2.pp1036-1042

A 5G mm-wave monolithic microwave integrated circuit (MMIC) voltage-controlled oscillator (VCO) is presented in this paper. It is designed on GaAs substrate and with 0.25 µm-pHEMT technology from UMS foundry and it is based on pHEMT varactors in order to achieve a very small chip size. A 0dBm-output power over the entire tuning range from 27.67 GHz to 28.91 GHz, a phase noise of -96.274 dBc/Hz and -116.24 dBc/Hz at 1 and 10 MHz offset frequency from the carrier respectively are obtained on simulation. A power consumption of 111 mW is obtained for a chip size of 0.268 mm2. According to our knowledge, this circuit occupies the smallest surface area compared to pHEMTs oscillators published in the literature.