The Microwave Group at Uppsala University, Sweden Research - PowerPoint PPT Presentation

WPR3 – Activities at UU 2004 The Microwave Group at Uppsala University, Sweden Research activities related to WPR3 in 2005: - RFIC design - Antenna design - RFIC & Antenna integration - RF packaging - Multi-antenna project for wireless terminals started in collaboration with industry

WPR3 – Activities at UU 2004 The Microwave Group at Uppsala University, Sweden Other activities related to WPR3 in 2005: - 2 PhD students from UU attended the RFT course in Istanbul 7-11/3 2005 - Antenna cluster meeting 8/3 2005

WPR3 – Activities at UU 2004 RFIC Design 24 GHz fully differential compact (0.4x0.4mm 2 ) LNA using SiGe HBT:s Tape out Feb-05, samples expected May-05.

WPR3 – Activities at UU 2004 RFIC Design 24 GHz fully differential (1.8x1.1mm 2 ) receiver (redesign) using SiGe HBT:s VCO Prescaler LNA IQ-mixer Tape out Feb-05, Samples expected May-05.

WPR3 – Activities at UU 2004 Monolithic Antenna Integration 24 GHz Transmitter and Receiver with 24 GHz Transmitter and Receiver with integrated antenna using micro- integrated antenna on high resistivity machining < 10 mm 2 silicon < 7 mm 2 BCB Membrane Awaiting micromachining Under evaluation

WPR3 – Activities at UU 2004 Antenna design Dual Wideband Printed Dipole Antenna with Integrated Balun � Omnidirectional radiation 0 � Covers 824-960 & 1710-2200 MHz (i.e. AMPS/GSM/PCS/DCS & UMTS) -10 Simulated To be published soon -20 Measured -30 0.0 0.5 1.0 1.5 2.0 2.5 3.0

WPR3 – Activities at UU 2004 Antenna design Multi-antenna project for wireless terminals started in collaboration with industry WLAN/BT FM-radio 3G Div QB GSM DVB-H WLAN RFID 3G Div GPS Future multimeda handheld terminal with distributed radiators Use of RFT methods from Istanbul University for matching anticipated

WPR3 – Activities at UU 2004 24 GHz receiver demonstrator TLC-30 PCB with 25-26 GHz 2 element LTCC with patch array antenna patch array RFIC and balun Completed in Jan-05 Baseband transformer Capacitors

WPR3 – Activities at UU 2004 Outlook • Work on increased bandwidth of antennas using RFT methods for future multi- system terminals • Evaluation of complete 24 GHz systems