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RF ICs and mm-Wave ICs Saurabh Sinha, PhD (Eng) Microelectronics & Electronics Group University of Pretoria, South Africa Friday, 22 August 2014. Departement Elektriese, Elektroniese & Rekenaar-Ingenieurswese Department of Electrical, Electronic & Computer Engineering
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RF ICs and mm-Wave ICs Saurabh Sinha, PhD (Eng) Microelectronics & Electronics GroupUniversity of Pretoria, South Africa Friday, 22 August 2014 Departement Elektriese, Elektroniese & Rekenaar-Ingenieurswese Department of Electrical, Electronic & Computer Engineering Kgoro ya Merero ya Mohlagase, Elektroniki & Bointšinere bja Khomphutha
Carl and Emily Fuchs Institute for Microelectronics CEFIM Founded in 1981 after receiving a grant from Carl and Emily Fuchs (1972 to 1981 Institute for Microstructures) THE MOST IMPORTANT PEOPLE ARE OUR GRADUATE STUDENTS 2
The Microelectronics & Electronics Research Group Director & Professor: Prof. Monuko du Plessis, Pr Eng(INSiAVA (Pty) ltd) Associate Professor: Prof. Saurabh Sinha, Pr Eng Lecturers: Johan Schoeman Jannes Venter Junior lecturers: Hannetjie Nell BonganiMabuza LindaniTshibe (part-time) Post-Docs.: Dr Jevgēņijs Golovins (Latvia) [Vacancy] Visiting researchers: Dr AlinaCismaru (IMT, Romania) Dr Alexandra Ştefănescu (IMT, Romania) Researchers: AlfonsBogalecki(INSiAVA (Pty) ltd) Marius Goosen(INSiAVA (Pty) ltd) Project manager: GerrieMostert(INSiAVA (Pty) ltd) #Postgraduate students (PhD and MEng/MSc): Approx. 20 #Undergraduate project students (BEng Year IV): Approx. 20 3
Postgraduate Courses • EIN 732 Introduction to Research Prof. J.A.G. Malherbe • EME 732 Analogue Electronic Design Prof. M. du Plessis • EDG 780 Digital Electronic Design Prof. S. Sinha, Mr J. Schoeman, Mr P.J. Venter DPSS, CSIR • EMK 732 Communication Electronics Prof. M. du Plessis • EPT 732 Research project – Theory Study leader/Student dependent • ERL 732 Research project – Design and laboratory Study leader/Student dependent • EEY 890/1 Dissertation (MEng / MSc) • EIN 990/1 Thesis (PhD (Eng) / PhD) 4
Focus Areas & International Research Partners CMOS / Si device manufacture INSiAVA (Pty) ltd • Georgia Tech, Atlanta, USA • Others RF, RF MEMS and mm-wave ICs • IMT, Bucharest, Romania • Dresden University of Technology, Dresden, Germany • University of Electronic Sciences and Technology, China • Sogang University, South Korea • ICE Laboratory, Georgia Tech., USA • Non-linear RF Lab, Ohio State University, USA MEMS simulation and manufacture • IMTEK, University of Freiburg, Germany • Others 5
Prototyping○ IC Foundries A [CMP] Wafer Europractice (Belgium) MOSIS (USA) CMP (France) AMS AMI TSMC UMC IHP IBM CSMC OMMIC ST IC FOUNDRIES CEFIM 8
Conservative versus Innovative Approach • Integrated RF system • Planar, Quasi-2D Structures • Sub-mm Dimensions • VLSI Technology Material Set • Coupling through lossy Silicon • Integrated circuit yield • Quasi-Floating Ground Innovative Approach Conservative Approach Low-loss substrate Micromachined structures Wafer-level packaging Unaltered VLSI technology Circuit level innovation • Hybrid system • 3D Structures • cm-Dimensions • Diversity of Materials • Good ac Isolation • Known good component yield • RF Ground Plane 10
Two Partition IC Digital CMOS Analogue CMOS High Performance Low-Power Low Cost SiGe HBT Chip 1: RF SiGe HBT, IF CMOS; Chip 2 – Baseband analogue & digital (all CMOS) 14
Graduate Projects (2010) 2010: 2011: 15
VGA In-phase + - Vector Sum Vcontrol_I + 90° Quadrature VGA + - Vcontrol_Q A 5 GHz VCO with 360° Variable Phase Outputs 16
A 5 GHz SiGe CMOS Voltage Controlled Oscillator with Reduced Phase Noise 17
Newer technologies (II) Quality Factor Minimum Line Width (m) 21
The software is a secondary outcome resulting from the dissertation of Mladen Božanić, a postgraduate student at the Carl & Emily Fuchs Institute for Microelectronics (CEFIM), a centre of the Department of Electrical, Electronic & Computer Engineering, University of Pretoria, South Africa 22
University of Pretoria○ Selected listing of funded projects (contract research) • Grintek Ewation • 2 Project (1-2 years) • A 5 GHz SiGe CMOS Voltage Controlled Oscillator with Reduced Phase Noise (delivered) • A Zero IF Receiver for mm-Wave Applications (contract awarded) • Defence, Peace, Safety & Security (DPSS), CSIR • Armscor (Origin: DoD) • 5 Student Postgraduate Projects (1-2 years each) • A 5 GHz Voltage Controlled Oscillator (VCO) with 360° Variable Phase Outputs (delivered) • Reducing Jitter in High-Speed Serial Links(completed) • A Linear SiGe BiCMOS LNA for Wide Band Receivers(completed) • A SiGe BiCMOS LNA for mm-Wave Applications(in progress) • Power Efficient High Speed Analogue-to-Digital Converter in SiGe BiCMOS(in progress) 23
Feedback/questions Prof. Saurabh Sinha, Pr Eng, SMIEEE Carl & Emily Fuchs Institute for Microelectronics Dept.: Electrical, Electronic & Computer Engineering University of Pretoria Pretoria 0002 SOUTH AFRICA Tel: +27-(12)-420-2950 / 082-777-6893 E-mail: ssinha@ieee.org 24