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2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting

The joint meeting is intended to provide an international forum for the exchange of information on state of the art research in the area of antennas and propagation, electromagnetic engineering and radio science


2020 IEEE Radio and Wireless Symposium (RWS)

RWW2020 will be an international conference covering all aspects of radio and wireless. RWW2020's multidisciplinary events will bring together innovations that are happening across the broad wireless spectrum. RWS2020, this conference application, acts as the main conference for the entire RWW of events that includes the following conferences: PAWR2020, SiRF2020, WiSNet2020, and TWiOS2020 (IEEE Topical Conference on RF/microwave Power Amplifiers, IEEE Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, IEEE Topical Conference on Wireless Sensors and Sensor Networks, and IEEE Topical Workshop on the Internet of Space IoS, respectively). In addition to traditional podium presentations and poster sessions, tracks for IEEE Distinguished Lectures, Sunday half-day workshops, Monday panels, and a demo session are planned. A RWW2020 plenary talk are a parallel IoT Summit are planned. A student competition is also planned.

  • 2019 IEEE Radio and Wireless Symposium (RWS)

    This is a conference with a focus on wireless components, applications, and systems that impact both our current and future life style. The conference's main niche is to bring together technologists, circuit designers, system designers, and entrepreneurs at a single event. It was and is the place where these worlds meet, where new processes and systems can be benchmarked against the needs of circuit designers at the bleeding edge of RF systems, where today's design compromises can trigger tomorrow's advanced technologies. Where dreams can become a reality. RWS is the cornerstone conference for Radio Wireless Week.

  • 2018 IEEE Radio and Wireless Symposium (RWS)

    This is a set of five conferences with a focus on wireless components, applications, and systems that effect both now and our future life style. These conferences main niche is to bring together technologists, circuit designers, system designers, and entrepreneurs at a single event. It was and is the place where these worlds meet, where new processes and systems can be benchmarked against the needs of circuit designers at the bleeding edge of RF systems, where today’s design compromises can trigger tomorrow’s advanced technologies. Where dreams can become a reality.

  • 2017 IEEE Radio and Wireless Symposium (RWS)

    This is a set of five conferences with a focus on wireless components, applications, and systems that effect both now and our future life style. These conferences main niche is to bring together technologists, circuit designers, system designers, and entrepreneurs at a single event. It was and is the place where these worlds meet, where new processes and systems can be benchmarked against the needs of circuit designers at the bleeding edge of RF systems, where today’s design compromises can trigger tomorrow’s advanced technologies. Where dreams can become a reality.

  • 2016 IEEE Radio and Wireless Symposium (RWS)

    This is a set of five conferences with a focus on wireless components, applications, and systems that effect both now and our future life style. These conferences main niche is to bring together technologists, circuit designers, system designers, and entrepreneurs at a single event. It was and is the place where these worlds meet, where new processes and systems can be bench-marked against the needs of circuit designers at the bleeding edge of RF systems, where today

  • 2015 IEEE Radio and Wireless Symposium (RWS)

    This is a set of five conferences with a focus on wireless components, applications, and systems that effect both now and our future life style. These conferences main niche is to bring together technologists, circuit designers, system designers, and entrepreneurs at a single event. It was and is the place where these worlds meet, where new processes and systems can be benchmarked against the needs of circuit designers at the bleeding edge of RF systems, where today

  • 2014 IEEE Radio and Wireless Symposium (RWS)

    RWS focuses on the intersection between radio systems and wireless technology, which creates a unique forum for engineers to discuss hardware design and system performance of the state -of-the-art wireless systems. Includes an expanded program on the latest information on wireless communications and networking, and associated enabling technologies as new services and applications emerge.

  • 2013 IEEE Radio and Wireless Symposium (RWS)

    RWS focuses on the intersection between radio systems and wireless technology, which creates a unique forum for engineers to discuss hardware design and system performance of the state-of-the-art wireless systems. Includes an expanded program on the latest information on wireless communications and networking, and associated enabling technologies as new services and applications emerge.

  • 2012 IEEE Radio and Wireless Symposium (RWS)

    RWS focuses on the intersection between radio systems and wireless technology, which creates a unique forum for engineers to discuss hardware design and system performance of the state-of-the-art wireless systems. Includes an expanded program on the latest information on wireless communications and networking, and associated enabling technologies as new services and applications emerge.

  • 2011 IEEE Radio and Wireless Symposium (RWS)

    All aspects of components and systems related to radio and wireless networks.

  • 2010 IEEE Radio and Wireless Symposium (RWS)

    RWS focuses on the intersection between radio systems and wireless technology, which creates a unique forum for engineers to discuss various aspects of wireless communication systems and the state-of-the-art in both fields by exploring the connections between hardware design and system performance.

  • 2009 IEEE Radio and Wireless Symposium (RWS)

    This symposium highlights the state of the art of hardware and systems of radio and wireless

  • 2008 IEEE Radio and Wireless Symposium (RWS)

  • 2007 IEEE Radio and Wireless Symposium (RWS)

  • 2006 IEEE Radio and Wireless Symposium (RWS)

  • 2004 IEEE Radio and Wireless Conference - (RAWCON 2004)

  • 2003 IEEE Radio and Wireless Conference - (RAWCON 2003)

  • 2002 IEEE Radio and Wireless Conference - (RAWCON 2002)

  • 2001 IEEE Radio and Wireless Conference - (RAWCON 2001)

  • 2000 IEEE Radio and Wireless Conference - (RAWCON 2000)

  • 1999 IEEE Radio and Wireless Conference - (RAWCON '99)

  • 1998 IEEE Radio and Wireless Conference - (RAWCON '98)


2020 IEEE/MTT-S International Microwave Symposium (IMS)

The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2036 IEEE/MTT-S International Microwave Symposium - IMS 2036

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2031 IEEE/MTT-S International Microwave Symposium - IMS 2031

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2029 IEEE/MTT-S International Microwave Symposium - IMS 2029

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2026 IEEE/MTT-S International Microwave Symposium - IMS 2026

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2025 IEEE/MTT-S International Microwave Symposium - IMS 2025

    The IEEE International Microwave Symposium (IMS) is the world s foremost conferencecovering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies;encompassing everything from basic technologies to components to systems including thelatest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulationand more. The IMS includes technical and interactive sessions, exhibits, student competitions,panels, workshops, tutorials, and networking events.

  • 2024 IEEE/MTT-S International Microwave Symposium - IMS 2024

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2023 IEEE/MTT-S International Microwave Symposium - IMS 2023

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2022 IEEE/MTT-S International Microwave Symposium - IMS 2022

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2021 IEEE/MTT-S International Microwave Symposium - IMS 2021

    The IEEE MTT-S International Microwave Symposium (IMS) is the premier conference covering basic technologies, to passives and actives components to system over a wide range of frequencies including VHF, UHF, RF, microwave, millimeter-wave, terahertz, and optical. The conference will encompass the latest in RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation, wireless systems, RFID and related topics.

  • 2019 IEEE/MTT-S International Microwave Symposium - IMS 2019

    Comprehensive symposium on microwave theory and techniques including active and passive circuit components, theory and microwave systems.

  • 2018 IEEE/MTT-S International Microwave Symposium - IMS 2018

    Microwave theory and techniques, RF/microwave/millimeter-wave/terahertz circuit design and fabrication technology, radio/wireless communication.

  • 2017 IEEE/MTT-S International Microwave Symposium - IMS 2017

    The IEEE MTT-S International Microwave Symposium (IMS) is the premier conference covering basic technologies, to passives and actives components to system over a wide range of frequencies including VHF, UHF, RF, microwave, millimeter-wave, terahertz, and optical. The conference will encompass the latest in RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation, wireless systems, RFID and related topics.

  • 2016 IEEE/MTT-S International Microwave Symposium - IMS 2016

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2015 IEEE/MTT-S International Microwave Symposium - MTT 2015

    The IEEE MTT-S International Microwave Symposium (IMS) is the premier conference covering basic technologies, to passives and actives components to system over a wide range of frequencies including VHF, UHF, RF, microwave, millimeter-wave, terahertz, and optical. The conference will encompass the latest in RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation, wireless systems, RFID and related topics. The IMS includes technical sessions, both oral and interactive, worksh

  • 2014 IEEE/MTT-S International Microwave Symposium - MTT 2014

    IMS2014 will cover developments in microwave technology from nano devices to system applications. Technical paper sessions, interactive forums, plenary and panel sessions, workshops, short courses, industrial exhibits, and a wide array of other technical activities will be offered.

  • 2013 IEEE/MTT-S International Microwave Symposium - MTT 2013

    The IEEE MTT-S International Microwave Symposium (IMS) is the premier conference covering basic technologies, to passives and actives components to system over a wide range of frequencies including VHF, UHF, RF, microwave, millimeter -wave, terahertz, and optical. The conference will encompass the latest in RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation, wireless systems, RFID and related topics.The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2012 IEEE/MTT-S International Microwave Symposium - MTT 2012

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2011 IEEE/MTT-S International Microwave Symposium - MTT 2011

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2010 IEEE/MTT-S International Microwave Symposium - MTT 2010

    Reports of research and development at the state-of-the-art of the theory and techniques related to the technology and applications of devices, components, circuits, modules and systems in the RF, microwave, millimeter-wave, submillimeter-wave and Terahertz ranges of the electromagnetic spectrum.

  • 2009 IEEE/MTT-S International Microwave Symposium - MTT 2009

    The IEEE International Microwave Symposium (IMS) is the world s foremost conference covering the UHF, RF, wireless, microwave, millimeter-wave, terahertz, and optical frequencies; encompassing everything from basic technologies to components to systems including the latest RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation and more. The IMS includes technical and interactive sessions, exhibits, student competitions, panels, workshops, tutorials, and networking events.

  • 2008 IEEE/MTT-S International Microwave Symposium - MTT 2008

  • 2007 IEEE/MTT-S International Microwave Symposium - MTT 2007

  • 2006 IEEE/MTT-S International Microwave Symposium - MTT 2006

  • 2005 IEEE/MTT-S International Microwave Symposium - MTT 2005

  • 2004 IEEE/MTT-S International Microwave Symposium - MTT 2004

  • 2003 IEEE/MTT-S International Microwave Symposium - MTT 2003

  • 2002 IEEE/MTT-S International Microwave Symposium - MTT 2002

  • 2001 IEEE/MTT-S International Microwave Symposium - MTT 2001

  • 2000 IEEE/MTT-S International Microwave Symposium - MTT 2000

  • 1999 IEEE/MTT-S International Microwave Symposium - MTT '99

  • 1998 IEEE/MTT-S International Microwave Symposium - MTT '98

  • 1997 IEEE/MTT-S International Microwave Symposium - MTT '97

  • 1996 IEEE/MTT-S International Microwave Symposium - MTT '96


2019 12th German Microwave Conference (GeMiC)

GeMiC 2019 is a scientific conference aiming to bring together academic and industrial researchers from Germany and from abroad, to discuss research progress and prospects in the area of microwave and millimeter-wave theory and techniques.

  • 2018 German Microwave Conference (GeMiC)

    Microwaves, Microwave Systems, Radar, Communications

  • 2016 German Microwave Conference (GeMiC )

    microwaves, microwave systems, radar, communications

  • 2015 German Microwave Conference (GeMiC)

    Microwaves, Microwave Systems, Radar, Communications

  • 2012 German Microwave Conference (GeMiC 2012)

    The conference presents, through its keynote addresses, presentations, workshops, and forums unique opportunities to exchange scientific and technical information and to establish and foster collaboration in microwave and antenna research.

  • 2011 German Microwave Conference (GeMiC 2011)

    -Active/Passive Microwave Devices/Circuits -Metamaterial Structures and Applications -Emerging Technologies -Antennas, Antenna Arrays, and Reconfigurable Antennas -Radar, Imaging, and Localization -RFIDs and Microwave Sensors -Ultrawideband and Microwave Systems -Microwave Measurement Techniques -Electromagnetics, EMC, and Simulation Techniques -Propagation/Channel Modeling -Linear/Nonlinear Modeling

  • 2010 German Microwave Conference (GeMiC 2010)

    Passive Components and Modules, Active Devices and Circuits, RF-MEMS and Tuneable Components, Antennas and Antenna Arrays, Radar, Sensors, and Imaging, Microwave Systems and UWB, Millimetre- and Submillimetre-Waves, Electromagnetics and Numerical Techniques, Propagation and Channel Modeling, EMC, Linear and Nonlinear Modeling, Measurement Techniques

  • 2009 German Microwave Conference (GeMiC 2009)

    passive Circuit componentsm active components, RF-mems, EMC, Measurement techniques, antennas, radar, sensors, imaging, mocrowave systems, education in mocrowave engineering


2019 13th European Conference on Antennas and Propagation (EuCAP)

The conference provides an overview of the state of the art developments and innovations in Antennas, Propagation, and Measurements, highlighting the latest requirements for future applications.


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Most published Xplore authors for Baluns

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Xplore Articles related to Baluns

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A Compact Double-Balanced Diode Ring Mixer for Wideband Applications

2018 48th European Microwave Conference (EuMC), 2018

Design of a compact wideband double-balanced Schottky diode ring mixer is presented in this paper. The mixer consists of a microstrip-to-coplanar stripline transition for the RF input, a parallel stripline-to-microstrip line transition for the LO input, and a quad-ring Schottky diode. The proposed ring mixer exhibits good overall performance with low LO drive power of 8 dBm. The mixer operates ...


Design of a Wideband and Wide-angle Scanning Tightly Coupled Dipole Array

2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE), 2018

A wideband and wide-angle scanning tightly coupled dipole array (TCDA) is presented in this paper. The simulation results show that the operating frequency range of the array is from 3.5GHz to 10.5GHz with the VSWR less than 3:1, while scanning up to 60° in E-plane and H-plane.


An E-band Variable-Gain Amplifier Using a Programmable Attenuator

2018 48th European Microwave Conference (EuMC), 2018

In this paper we present a programmable variable-gain amplifier (VGA) for a 5G demonstration system at E-band. The proposed VGA consists of a common-base amplifier and a variable loss attenuator controlled by a novel programmable feedback circuit. The attenuator is based on a differential π network and it covers 12 dB of range with a 0.5 dB step size. The ...


Novel model of 2:1 balance-to-unbalance transmission-line transformer

Electronics Letters, 1995

The modelling and simulation of 2:1 balance-to-unbalance transmission-line transformers (balun TLT) are presented. The validity of the complete equivalent model of the basic 2:1 balun is confirmed by the excellent match between the simulated results and experimental data. This complete model makes a contribution to predict and explain the characteristics of the 2:1 balun, including low-frequency and high frequency operation.


A 21.5–26.4 GHz CMOS cascode driver amplifier with 13.9 dBm output power for 24G FMCW radar applications

2018 IEEE MTT-S International Wireless Symposium (IWS), 2018

This paper presents a 21.5-26.4 GHz CMOS cascode driver amplifier (DA) for 24G radar applications. The two stacked cascode configuration can provide enough output power and power gain under the limitation of low gate-oxide breakdown voltage and low drain-source reach-through voltage, ensuring the reliability of long-term work. Reasonably taking advantage of the virtual ground of the differential structure helps to ...


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IEEE.tv Videos

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IEEE-USA E-Books

  • A Compact Double-Balanced Diode Ring Mixer for Wideband Applications

    Design of a compact wideband double-balanced Schottky diode ring mixer is presented in this paper. The mixer consists of a microstrip-to-coplanar stripline transition for the RF input, a parallel stripline-to-microstrip line transition for the LO input, and a quad-ring Schottky diode. The proposed ring mixer exhibits good overall performance with low LO drive power of 8 dBm. The mixer operates over a wide frequency range from 2 GHz to 16 GHz and possesses good averaged conversion loss of 8.2 dB.

  • Design of a Wideband and Wide-angle Scanning Tightly Coupled Dipole Array

    A wideband and wide-angle scanning tightly coupled dipole array (TCDA) is presented in this paper. The simulation results show that the operating frequency range of the array is from 3.5GHz to 10.5GHz with the VSWR less than 3:1, while scanning up to 60° in E-plane and H-plane.

  • An E-band Variable-Gain Amplifier Using a Programmable Attenuator

    In this paper we present a programmable variable-gain amplifier (VGA) for a 5G demonstration system at E-band. The proposed VGA consists of a common-base amplifier and a variable loss attenuator controlled by a novel programmable feedback circuit. The attenuator is based on a differential π network and it covers 12 dB of range with a 0.5 dB step size. The circuit is implemented in a 55 nm BiCMOS technology and it achieves maximum gain of 4.8 dB and worst case RMS phase error of 2.6° over 71 GHz - 76 GHz. The total power consumption of our design is 18.4 mW from a 1.6 V supply voltage.

  • Novel model of 2:1 balance-to-unbalance transmission-line transformer

    The modelling and simulation of 2:1 balance-to-unbalance transmission-line transformers (balun TLT) are presented. The validity of the complete equivalent model of the basic 2:1 balun is confirmed by the excellent match between the simulated results and experimental data. This complete model makes a contribution to predict and explain the characteristics of the 2:1 balun, including low-frequency and high frequency operation.

  • A 21.5–26.4 GHz CMOS cascode driver amplifier with 13.9 dBm output power for 24G FMCW radar applications

    This paper presents a 21.5-26.4 GHz CMOS cascode driver amplifier (DA) for 24G radar applications. The two stacked cascode configuration can provide enough output power and power gain under the limitation of low gate-oxide breakdown voltage and low drain-source reach-through voltage, ensuring the reliability of long-term work. Reasonably taking advantage of the virtual ground of the differential structure helps to achieve a compact layout without degrading performance. It is fabricated in 65 nm CMOS with a core chip area of 0.3 mm2(600 μm × 500 μm). At 24 GHz, the measurement results demonstrate the DA delivers saturated output power (Psat)of 13.9 dBm, output 1 dB compression point (OP1dB) of 9.02 dBm, with a peak PAE of 20 % and gain of 23.6 dB. From 21 to 26 GHz, the DA achieves OP1dB lager than 9 dBm.

  • Multi-band Match for High-Q Radio Transceivers

    Multi-band matching solutions for integrated radio transceivers can significantly reduce logistics and manufacturing cost of Worldwide IoT solutions. Short-range low-energy radio solutions usually apply high impedance TX and RX front-ends to achieve high TX efficiency and exceptional RX sensitivity, and thus the matching network design is one of the major bottlenecks of designing, especially multi-band, modules. This paper introduces a novel use of a 3-element resonator structure that behaves as a frequency-dependent inductance or capacitance, and thus can be the basic building blocks of multi-band matching circuits. The design methodology including analytical formulas, challenges and tuning process of dual- and multi-band matching balun networks applicable for any radios with high impedance differential ports is shown in this paper.

  • A 3.3dB Noise Figure,60-mW CMOS Receiver Front End for 865-867 MHz Band

    In this work, the low power receiver front-end is investigated in the 865-867 MHz unlicensed band. The low noise amplifier (LNA), Mixer, local oscillator and active filter are integrated to investigate the overall performance of receiver front-end. The individual components are studied to optimize the power consumption without degrading the overall performance of receiver frontend. From the results it can be seen that for optimal power of 18mW, 2.01 dB of noise figure was attained. For integrated LNA with mixer, at optimal 48mW power, noise figure was found to be 2.84 dB. The balun circuit in the receiver was replaced by a current amplifier and performance was compared. Receiver front-end for 865-867 MHz at 60mW power with 3.3dB noise figure was obtained.

  • The Balun Design by Embedding High Permittivity Material in The Substrate of CSP Package with Large Size

    In order to cope with the worldwide shortage of the MLCC (multilayer ceramic capacitor), this paper proposes a methodology of integrated lattice balun using a high permittivity substrate material. It is well known that discrete radio frequency (RF) front-end circuits are composed of MLCCs and chip inductors in many electronic products. Inserting a high permittivity material to replace decoupling capacitors is an effective method. Another way to lessen the quantity of MLCCs is embedding an integrated RF front-end circuit instead of MLCCs, such as a balun, filter or duplexer. In this study, an integrated lattice balun was designed for DCS (digital cellular system) 1800 MHz. The simulation results show that the designed balun achieves a return loss <; -23 dB, an insertion loss > -0.25 dB, a phase deviation form 180°to 182°and a magnitude deviation of less than 1.1 dB in the frequency range of DSC.

  • 22-Gb/s 60-GHz OOK Demodulator in 0.13-µm SiGe BiCMOS for Ultra-High-Speed Wireless Communication

    This paper presents a 60-GHz on-off keying (OOK) demodulator suited for high- speed applications. A highly efficient envelope detector (ED) and a novel limiting amplifier (LA) architecture with high bandwidth and high gain are used to ensure high-speed low-power operation. To avoid degrading the demodulator performances and simultaneously not affect the stability, a feedforward dc-offset cancellation technique is implemented in the LA. Integrated in a 0.13-μm SiGe BiCMOS technology, the demodulator occupies an active footprint of only 0.035 mm2 and consumes 11 mW. The OOK demodulator achieves a data-rate (DR) of 22 Gb/s at a bit-error rate (BER) of less than 10-12, which is - to the authors' best knowledge - the highest reported DR (for 60-GHz OOK demodulators). This corresponds to an energy efficiency of only 0.5 pJ/bit. At 22 Gb/s, the input sensitivity is -17.4 dBm.

  • A novel trifilar coupled line splitter-balun for wideband antennas

    The paper presents an edge-coupled structure consisting of three conductor strips for designing a splitter-balun for a wideband impulse radiating antenna (IRA). An IRA prototype was developed with the intention of using it for radio frequency interference (RFI) measurement at the South African radio telescope site (Karoo). We study electromagnetic coupling into the coupled line balun using a computational model and a designed prototype. Our time domain simulation results show a favourably good trend compared to measurement. A time domain technique is favoured in this study due to improved measurement and simulation times but S-parameter frequency domain analysis on our measured results has also been performed.



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