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- research-articleNovember 2022
- research-articleDecember 2021
A 223- single-to-differential RF mixer with 8.6dBm IIP3 using current-bleeding and body-effect for sub-6 GHz 5G applications
- research-articleOctober 2021
An Enhanced Low Noise Amplifier Circuit at 6 GHz Center Frequency and NF Improvement in 180 nm CMOS Process
Wireless Personal Communications: An International Journal (WPCO), Volume 120, Issue 4Oct 2021, Pages 2907–2917https://doi.org/10.1007/s11277-021-08591-0AbstractThis paper presents the design and simulation of a modified CMOS low noise amplifier (LNA) circuit in 180 nm CMOS standard technology. We modified a cascade LNA using π model of capacitor circuit. Impedance matching network at the input of ...
- articleJanuary 2019
A K-Band Low-Noise and High-Gain Down-Conversion Active Mixer Using 0.18-μm CMOS Technology
Wireless Personal Communications: An International Journal (WPCO), Volume 104, Issue 1Jan 2019, Pages 407–421https://doi.org/10.1007/s11277-018-6027-4This paper fabricates a K-Band 24 GHz high-gain, low-power down-conversion mixer using a standard TSMC 0.18-ým CMOS technology. The architecture that is used is based on that of a Gilbert cell mixer. Transformer coupling technology is used at the node ...
- articleDecember 2018
A novel high dynamic range differential LNA using quartet topology
Analog Integrated Circuits and Signal Processing (KLU-ALOG), Volume 97, Issue 3December 2018, Pages 593–601https://doi.org/10.1007/s10470-018-1337-8In some applications such as short-range radars, a large target can desensitize the receiver. A high dynamic range low-noise amplifier (LNA), as a key component of a transmitter/receiver module, can improve the entire system performance. This study ...
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- articleJuly 2017
A Low-Power and High-Gain Ultra-Wideband Down-Conversion Active Mixer in 0.18-$$\upmu $$μm SiGe Bi-CMOS Technology
Circuits, Systems, and Signal Processing (CSSP), Volume 36, Issue 7July 2017, Pages 2635–2653https://doi.org/10.1007/s00034-016-0431-3This paper presents an ultra-wideband down-conversion mixer chip covering the frequency range from 3.1 to 10.6 GHz by using TSMC 0.18 $$\upmu $$μm SiGe BiCMOS technology. The architecture used is based on Gilbert-cell mixer, the combination of MOS ...
- ArticleAugust 2013
Design of a Mesfet based Low Noise Amplifier with Improved Noise Figure for Low Power Wireless Applications in 2-3 GHz
ICACC '13: Proceedings of the 2013 Third International Conference on Advances in Computing and CommunicationsAugust 2013, Pages 257–260https://doi.org/10.1109/ICACC.2013.112A Low Noise Amplifier (LNA) based on NEC 0.3µm GaAs MESFET technology has been designed with a modified cascode configuration which makes use of two common source transistors. In the 2-3GHz range, the designed LNA has a noise figure less than 0.65dB, ...
- ArticleJanuary 2013
Gain, NF and IIP3 Budgeting of LTE Receiver Front End
VLSID '13: Proceedings of the 2013 26th International Conference on VLSI Design and 2013 12th International Conference on Embedded SystemsJanuary 2013, Pages 191–196https://doi.org/10.1109/VLSID.2013.187This paper discusses several radio design issues and presents a systematic approach towards receiver budgeting for LTE standard. IIP3 and noise figure, both showing opposite trends with respect to gain, are the two key parameters considered for budget ...
- articleJanuary 2011
A low-voltage high-linearity ultra-wideband down-conversion mixer in 0.18-µm CMOS technology
Microelectronics Journal (MICROJ), Volume 42, Issue 1January, 2011, Pages 113–126https://doi.org/10.1016/j.mejo.2010.08.019This paper presents a wideband mixer chip covering the frequency range from 3.4 to 6.8GHz using TSMC 0.18@mm CMOS technology. The linearity can be improved using multiple-gated-transistors (MGTR) topology. The measured 3-dB RF frequency bandwidth is ...
- articleDecember 2010
900MHz CDMA/1.8 GHz PCS/450MHz CDMA RF receiver ICs with a new mixer linearization method and optimization of integrated inductor for single balance mixer LO buffer
Microelectronics Journal (MICROJ), Volume 41, Issue 12December, 2010, Pages 851–859https://doi.org/10.1016/j.mejo.2010.07.011900MHz CDMA, 1.8GHz PCS, and 450MHz CDMA RF receivers are implemented and measured. In order to reduce NRE cost and meet the demand of fast time-to-market, a metal-mask configurable method is applied for those receivers using only upper metals, contact ...
- articleAugust 2010
An 863-870MHz spread-spectrum FSK transceiver design for wireless sensor
Microelectronics Journal (MICROJ), Volume 41, Issue 8August, 2010, Pages 465–473https://doi.org/10.1016/j.mejo.2009.11.003Simulation results of a 863-870MHz frequency-hopped spread-spectrum (FHSS) transceiver with binary frequency shift keying (BFSK) modulation at 20kb/s for wireless sensor applications is presented. The transmit/receive RF front end contains a BFSK ...
- ArticleDecember 2008
Direct conversion transceiver design in the 863-870-Mhz band application: wireless sensor network
CSECS'08: Proceedings of the 7th conference on Circuits, systems, electronics, control and signal processingDecember 2008, Pages 69–73Simulation results of a 863-870-MHz frequency-hopped spread-spectrum transceiver with binary frequency shift keying (BFSK) modulation at 20 kb/s for wireless sensor applications is presented. The various blocks parameters of the transmit/receive RF ...
- articleSeptember 2008
A 5.2 mW 240---550 MHz continuous-time low-pass filter and VGA for a UWB receiver in 0.18 μm CMOS process
Analog Integrated Circuits and Signal Processing (KLU-ALOG), Volume 56, Issue 3September 2008, Pages 185–197https://doi.org/10.1007/s10470-008-9161-1A very low-power wide-band CMOS continuous-time low-pass filter for a ultra wideband system receiver in 0.18-μm CMOS technology is proposed. The cutoff frequency of the fourth-order LPF can be tuned within 240---550 MHz. The gain of the filter is tuned ...
- articleFebruary 2008
Low-noise amplifiers for WCDMA base-station receivers
Analog Integrated Circuits and Signal Processing (KLU-ALOG), Volume 54, Issue 2February 2008, Pages 105–111https://doi.org/10.1007/s10470-007-9069-1This paper focuses on the design and measurements of low-noise amplifiers (LNA) targeted for WCDMA base-station applications. In addition, various gain control techniques and the accuracy in noise measurements have been analyzed. Two different LNA ...
- ArticleApril 2006
A low-power and high-linear double-balanced switching mixer
GLSVLSI '06: Proceedings of the 16th ACM Great Lakes symposium on VLSIApril 2006, Pages 131–134https://doi.org/10.1145/1127908.1127941The paper presents a novel topology mixer that leads to better performance in terms of linearity and power consumption for low supply voltage. Designed in umc 0.18μm CMOS technology, the mixer achieves: 4.55dB power conversion gain; 13.3dB noise figure; ...
- articleMarch 2004
Comparison of the effectiveness of four linearizing techniques used in SiGe HBT LNA at 1900 MHz and low-bias voltage
International Journal of RF and Microwave Computer-Aided Engineering (RFMCE), Volume 14, Issue 2March 2004, Pages 144–152In this article, four linearizing techniques are compared with each other when they are used in a common-emitter SiGe HBT LNA. Finally, when all of them are employed together, improved linearity of the LNA is observed and more than 10 dBm of IIP3 and -5 ...