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Harmonic Rejection in 2.4 GHz Gilbert Cell Mixer for Terrestrial Microwave Communication systems

R. Venkatesan, K.J. Jegadish
2016 International Journal of Computer Applications  
As a result, conversion gain of 8.303 dB, high linearity, high port isolation and Harmonic Rejection Ratio > 80 dB is achieved. General Terms Harmonic rejection in down conversion Gilbert cell Mixer  ...  Mixer is one of the significant components of the radio frequency transceiver that translate baseband signal into RF and vice versa.  ...  The harmonic signal rejection capability and the rejection schemes of polyphase downconverter are discussed.  ... 
doi:10.5120/ijca2016908858 fatcat:ocg6qoh5ojgf5jhr6vvjoukb34

A 60GHz CMOS Receiver Using a 30GHz LO

Ali Parsa, Behzad Razavi
2008 Digest of technical papers / IEEE International Solid-State Circuits Conference  
which flips the signal spectrum horizontally and superimposes it on the original downconverted spectrum.  ...  Since the third harmonic of the LO is only 9.5dB lower, this corruption proves serious in modulation schemes having asymmetric spectra, e.g., FM, QPSK, and QAM.  ...  Acknowledgments: The authors thank Realtek Semiconductor and Skyworks, for support of this work and TSMC for chip fabrication. Papers, pp. 190-191, Feb. 2007. [4] B.  ... 
doi:10.1109/isscc.2008.4523121 dblp:conf/isscc/ParsaR08 fatcat:w5kzpqdrsngy7gkcqbdgulycrm

A Millimeter-Wave (24/31-GHz) Dual-Band Switchable Harmonic Receiver in 0.18-$\mu$m SiGe Process

Mohamed El-Nozahi, Ahmed Amer, Edgar Sanchez-Sinencio, Kamran Entesari
2010 IEEE transactions on microwave theory and techniques  
Measurements show a band rejection higher than 43 dB, gain of 21 and 18 dB, NF lower than 8 and 9.5 dB, and third-order intercept point of 18 and 17 dBm for the 24-and 31-GHz frequency bands, respectively  ...  A dual-band switchable harmonic receiver for downconverting the industrial-scientific-medical and local-multipoint-distribution-service bands at 24 and 31 GHz is proposed in this paper.  ...  If the phase of LO signal is 0 , then the fundamental component is selected while the third harmonic component is rejected.  ... 
doi:10.1109/tmtt.2010.2077530 fatcat:3ychx7h5mbee3ipqohhjc2b654

Digitally Enhanced Software-Defined Radio Receiver Robust to Out-of-Band Interference

Z. Ru, N.A. Moseley, E. Klumperink, B. Nauta
2009 IEEE Journal of Solid-State Circuits  
Two alternative "iterative" harmonic-rejection (HR) techniques are presented to achieve high HR robust to mismatch: a) an analog two-stage polyphase HR concept, which enhances the HR to more than 60 dB  ...  Out-of-Band Nonlinearity Nonlinearity may generate intermodulation and harmonic distortion falling on top of the desired signal, or may desensitize a receiver due to blockers and produce cross modulation  ...  Wienk for his contribution to part of the layout and excellent assistance, as well as H. de Vries for his valuable support.  ... 
doi:10.1109/jssc.2009.2032272 fatcat:axr5qxt5zvc33olm4j2fffkil4

A 500MHz– 2.7 GHz 8-path weaver downconverter with harmonic rejection and embedded filtering

Remko E. Struiksma, Eric A.M. Klumperink, Bram Nauta, Frank E. van Vliet
2014 ESSCIRC 2014 - 40th European Solid State Circuits Conference (ESSCIRC)  
To reduce transfers via harmonics other than the fundamental, a harmonic rejection scheme is used.  ...  A 28 nm FDSOI CMOS implementation with 30 dB harmonic rejection and an out-of-band IIP3 of >20 dBm is demonstrated.  ...  ACKNOWLEDGEMENT This research is conducted as part of the STARS project (www.starsproject.nl).  ... 
doi:10.1109/esscirc.2014.6942062 dblp:conf/esscirc/StruiksmaKNV14 fatcat:44q55sek65ftpnmme2grpbm3ne

Dual-Band Adjustable and Reactive I/Q Generator With Constant Resistance for Down- and Up-Converters

Sheng-Che Tseng, Chinchun Meng, Yueh-Ting Lee
2008 IEEE transactions on microwave theory and techniques  
The magnitude imbalance and phase error between the I and Q channels of the down-converter are 1% and 1 , respectively, while the maximum sideband rejection ratio of the up-converter is up to 50 dB.  ...  The dual-band I/Q generator along with two single-to-differential amplifiers is integrated to provide differential quadrature local oscillator signals for dual-band mixers.  ...  There are two types of coupling schemes-the fundamental coupling scheme and harmonic coupling scheme.  ... 
doi:10.1109/tmtt.2008.926526 fatcat:sktikrtkf5crxjupupxij2kgvq

A sine-LO square-law harmonic-rejection mixer—theory, implementation, and application

Fujian Lin, Pui-In Mak, Rui P. Martins
2014 IEEE transactions on microwave theory and techniques  
A square-law harmonic-rejection mixer (SL-HRM) driven by a sine local oscillator (LO) is proposed for wideband and tunable rejection of all LO harmonics.  ...  The key performances including the gain, noise figure (NF), input-referred third-order intercept point (IIP3), and harmonic rejection ratio (HRR) with respect to the amplitude and purity of the sine-LO  ...  The and were tested by inputting a signal of 20 dBm at MHz and MHz, respectively. The output baseband signal at 4 MHz was captured as the component downconverted by the corresponding LO harmonics.  ... 
doi:10.1109/tmtt.2013.2294865 fatcat:7umkl6yekzdgvjz2xw6nxf46pe

2.4/5.7-GHz CMOS Dual-Band Low-IF Architecture Using Weaver–Hartley Image-Rejection Techniques

Chin-Chun Meng, Tzung-Han Wu, Jin-Siang Syu, Sheng-Wen Yu, Kuan-Chang Tsung, Ya-Hui Teng
2009 IEEE transactions on microwave theory and techniques  
The image-rejection ratios of the first image signal and the secondary image signal are better than 40 and 46 dB, respectively.  ...  In this paper, a diagrammatic explanation is employed to obtain the image-rejection mechanisms of the Weaver-Hartley architecture.  ...  (d) Signals filtered by the final IF polyphase filters. Fig. 3 . 3 All the high-frequency harmonics are neglected.  ... 
doi:10.1109/tmtt.2008.2012300 fatcat:gwk5md2aujfijalojau5x6medy

A single-chip 900-MHz spread-spectrum wireless transceiver in 1-μm CMOS. I. Architecture and transmitter design

A. Rofougaran, G. Chang, J.J. Rael, J.Y.-C. Chang, M. Rofougaran, P.J. Chang, M. Djafari, M.-K. Ku, E.W. Roth, A.A. Abidi, H. Samueli
1998 IEEE Journal of Solid-State Circuits  
At an output power level of +3 dBm, the harmonics and spurious tones lie at 052 dBc or below. When active, the transmitter drains 100 mA from 3 V.  ...  A standard image-reject mixer, consisting of two mixers driven by quadrature phases each of the baseband and RF signals, yields only a single phase of the upconverted signal.  ...  Therefore, an image-reject mixer configured to select the upper sideband of the fundamental baseband frequency will select the lower sideband of the third harmonic, as is explained in greater detail in  ... 
doi:10.1109/4.663557 fatcat:uv7g56uxqre47f7xjqlneyo7ci

Frequency-Multiplexed Array Digitization for MIMO Receivers: 4-Antennas/ADC at 28 GHz on Xilinx ZCU-1285 RF SoC

Najath Akram, Arjuna Madanayake, Sravan Pulipati, Viduneth Ariyarathna, Satheesh Bojja Venkatakrishnan, Dimitra Psychogiou, John Volakis, Theodore S. Rappaport, Thomas L. Marzetta
2021 IEEE Access  
In a first of its kind measurements, this paper explores FDM for combining multiple antenna outputs at IF into a single wideband signal that can be sampled and digitized using a high-speed wideband ADC  ...  The sampled signals are sub-band filtered and digitally down-converted to obtain individual antenna channels.  ...  His current research interests include receiver design for communication circuits, RF systems, and digital signal processing using FPGAs.  ... 
doi:10.1109/access.2021.3120704 fatcat:yatglsxyp5gbleraiorf6k75qq

An experimental coin-sized radio for extremely low-power wpan (IEEE 802.15.4) application at 2.4 ghz

Pilsoon Choi, Hyung Chul Park, Sohyeong Kim, Sungchung Park, Ilku Nam, Tae Wook Kim, Seokjong Park, Sangho Shin, Myeung Su Kim, Kyucheol Kang, Yeonwoo Ku, Hyokjae Choi (+2 others)
2003 IEEE Journal of Solid-State Circuits  
Chip-on-PCB technology allows implementation of a coin-sized radio at very low cost, which also provides 3 dBi gain patch antenna and high ( 50) induc- tors.  ...  The RF design focus is to maximize linearity for a given power consumption using linearization methods which lead an order of magnitude improvement in LNA/mixer IIP3/power performance.  ...  The filter performs channel selection, signal amplification, and image rejection with complex signal processing. Here, the downconverted image signals are cancelled at the filter output.  ... 
doi:10.1109/jssc.2003.819083 fatcat:mx7d25wff5efxp3ftsnlip5yta

Low-Power Fully Integrated CMOS DTV Tuner Front-End for ATSC Terrestrial Broadcasting

Jianhong Xiao, Guang Zhang, Tianwei Li, Jose Silva-Martinez
2007 VLSI design (Print)  
Experimental measurements for the prototype chip validate the system architecture; the prototype consumes 300 mw and achieves 45 dB of image rejection ratio within the entire 750 MHz frequency band.  ...  As a part of the concept, key building blocks for this architecture are implemented on a main stream 0.35μm CMOS technology.  ...  They also want to thank Analog Devices High Speed Converter group for the support of measurement.  ... 
doi:10.1155/2007/71974 fatcat:cphpzhgkcfcepbizodd4urfkqu

Design of Cognitive Radios

V D Rughwani, Sweta A Kahurke, Madhuri Pal, Prashant Rewatkar
2011 International Journal of Instrumentation Control and Automation  
The paper also describes the effect of nonlinearity and local oscillator harmonics, demonstrating that cognitive radios entail more difficult challenges than do software-defined radios.  ...  Cognitive radios are expected to perform spectrum sensing and communication in the frequency range of tens of megahertz to about 10 GHz.  ...  As shown in Fig. 6(a) for the receive path, the harmonics of the LO canmixwith interferers,corrupting the downconverted desired signal.  ... 
doi:10.47893/ijica.2011.1017 fatcat:jx4nvrvwbfgbzba4g3vp5ud4hu

A single-chip CMOS transceiver for 802.11a/b/g wireless LANs

R. Ahola, A. Aktas, J. Wilson, K.R. Rao, F. Jonsson, I. Hyyrylainen, A. Brolin, T. Hakala, A. Friman, T. Makiniemi, J. Hanze, M. Sanden (+7 others)
2004 IEEE Journal of Solid-State Circuits  
Compatibility with multiple baseband chips is ensured by flexible interfaces toward the A/D and D/A converters, as well as a calibration scheme not requiring any baseband support.  ...  A quadrature accuracy of 0.3 in phase and 0.05 dB in amplitude is achieved through careful analysis and design of the I/Q generation parts of the local oscillator.  ...  ACKNOWLEDGMENT The authors would like to thank the contributions of K. Król  ... 
doi:10.1109/jssc.2004.836334 fatcat:csq3xfhnonbvhjixydecggeq24

Challenges in the design of cognitive radios1

Behzad Razavi
2009 2009 IEEE Custom Integrated Circuits Conference  
The paper also describes the effect of nonlinearity and local oscillator harmonics, demonstrating that cognitive radios entail more difficult challenges than do software-defined radios.  ...  Cognitive radios are expected to perform spectrum sensing and communication in the frequency range of tens of megahertz to about 10 GHz.  ...  As shown in Fig. 6(a) for the receive path, the harmonics of the LO can mix with interferers, corrupting the downconverted desired signal.  ... 
doi:10.1109/cicc.2009.5280806 dblp:conf/cicc/Razavi09 fatcat:vzmetwo5dfaobofxdlf5icgdim
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