23 Hits in 5.5 sec

On-Chip Stimulus Generator for Gain, Linearity, and Blocking Profile Test of Wideband RF Front Ends

Rashad Ramzan, Naveed Ahsan, Jerzy Dabrowski
2010 IEEE Transactions on Instrumentation and Measurement  
It can generate a single-or two-tone signal in a range of 0.9-5.6 GHz with a tone spacing of 3 MHz to 4.5 GHz and adjustable output power.  ...  The silicon area of the complete test circuit including coupling capacitors is only 0.03 mm 2 , while a single VCO occupies 0.012 mm 2 .  ...  The single-or two-tone differential test signals are ac coupled (using C1 and C2) to the input of a wideband inductorless LNA through switches S1 and S2.  ... 
doi:10.1109/tim.2009.2036454 fatcat:4eujhiao5nhibkzpw4jpd4uk24

Complementary High-Speed SiGe and CMOS Buffers [chapter]

Esa Tiiliharju
2010 Advanced Microwave Circuits and Systems  
Pellikka were able to experiment with this technology in 2006, when they realized a high dynamic range (DR) current reuse mixer and a linear push-pull buffer with an active area of 0.11mm×0.1mm for base  ...  At 2 GHz, the realized mixer achieves a nominal measured dynamic range (DR) of +154 dB, while drawing 29 mA from a 3.3-V supply, whereas the push-pull buffer has an output-refered 1-dB compression point  ...  The proposed LNA can be mass-produced at a negligible cost with extremely small die area, as it utilizes an area-saving inductorless topology.  ... 
doi:10.5772/8425 fatcat:dssksiy2uzhtzgokann6x4xaci

An Ultra-Low Power 28 nm FD-SOI Low Noise Amplifier Based on Channel Aware Receiver System Analysis

Jennifer Zaini-Desevedavy, Frédéric Hameau, Thierry Taris, Dominique Morche, Patrick Audebert
2018 Journal of Low Power Electronics and Applications  
The LNA consumes 300 µW from a 0.6 V supply.  ...  The proposed LNA has been implemented in ST-Microelectronics 28 nm FD-SOI Technology, its active area is only 0.0015 mm 2 .  ...  Among the tough challenge in the design of inductorless ULP LNA design, is the synthesis of a wideband input matching.  ... 
doi:10.3390/jlpea8020010 fatcat:36vuptnvwnad5hr3wb6mrsqsau

Active feedback supported CMOS LNA blended with coplanar waveguide‐fed antenna for Wi‐Fi networks

Gunjan Mittal Roy, Santanu Dwari, Binod Kumar Kanaujia, Sandeep Kumar, Hanjung Song
2021 IET Microwaves, Antennas & Propagation  
The LNA design-I, involves a cascode amplifier followed by active feedback common source amplifier offering wideband impedance matching with lowered parasitic losses.  ...  The chip area is 0.57 x 0.57 mm 2 under dc power supply of 1V while power consumption of 0.8 mW. A CPW fed antenna design-II, achieves a wide band response similar to the bandwidth of LNA.  ...  The resistive feedback technique provides a wideband input impedance matching without utilising the extra power in the feedback path and is preferred due to the small die area consumption, whereas the  ... 
doi:10.1049/mia2.12062 fatcat:5zzxe4za55at7hs56q3ywseyxu

An inductorless 3–5 GHz band-pass filter with tunable center frequency in 90 nm CMOS

Tuan Anh Vu, Shanthi Sudalaiyandi, Hakon A. Hjortland, Oivind Nass, Tor Sverre Lande
2013 2013 IEEE International Symposium on Circuits and Systems (ISCAS2013)  
Impulse radio ultra-wideband (IR-UWB) has been an interesting area of research for lowpower short-range applications.  ...  Ultra-wideband (UWB) has emerged as a very promising technology for short-range communication systems.  ...  Technical discussions with him always bring up new research ideas, better understandings and improvement in interpersonal skills.  ... 
doi:10.1109/iscas.2013.6572088 dblp:conf/iscas/VuSHNL13 fatcat:qsh4hcdyobh2tj33ga5t3zdlqi

RF CMOS Integrated Circuit: History, Current Status and Future Prospects

Noboru ISHIHARA, Shuhei AMAKAWA, Kazuya MASU
2011 IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences  
digital circuits, which is based on the use of discrete voltages and the discrete time domain, with analog design, in order to both achieve wideband operation and compensate for signal distortions as  ...  environment with the Micro Electro Mechanical Systems (MEMS) device etc. of the different kind devices becomes more important.  ...  Acknowledgments We are all thanks for students and researchers who were or are engaged in studding of the future LSI circuit design with us.  ... 
doi:10.1587/transfun.e94.a.556 fatcat:4fvaacoeqfc6nhmpgmjg5mrdiq

The future of radios

Behzad Razavi
2015 2015 IEEE International Symposium on Circuits and Systems (ISCAS)  
The average smart phone user picks up the device 1,500 times a week. Wireless communication appears to be taking over our lives but it also presents interesting challenges to RF designers.  ...  This paper contends that the mobile terminal will emerge as a central command post for most of our daily affairs and will therefore sustain an increasingly heavier load in terms of speed, power dissipation  ...  Consequently, the total area consumed by the capacitors and the width of the switches can be reduced by a factor of 1 + A 0 . bandpass filter" using a three-stage LNA.  ... 
doi:10.1109/iscas.2015.7168556 dblp:conf/iscas/Razavi15 fatcat:ok2v2zgrbbdfniilozhjdv6xzq

RFIC 2020 Program

2020 2020 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)  
In the receiver, both the RF path and the baseband path provide variable gain for a wider dynamic range. The LNA employs dual-coupling transformer for low noise figure and wideband input matching.  ...  Besides, the 12-bit power digital-to-analog (power-DAC) with low LO leakage and large dynamic range is introduced to support high order modulation signals.  ...  The design is verified with digitally-modulated signals with a bandwidth of up to 160 MHz at a carrier frequency of 2 GHz.  ... 
doi:10.1109/rfic49505.2020.9218389 fatcat:fqkpw3oau5gzpoi3gscgb7kwhi

Digitally assisted equalization of third-order intermodulation products in wideband direct conversion receivers

Edward A. Keehr, Ali Hajimiri
2009 International journal of microwave and wireless technologies  
An effective linearization technique capable of equalizing IM3 products resulting from an arbitrary out-of-band blocking scenario in a wideband direct conversion receiver is presented.  ...  IM3 products are regenerated in the RF analog domain of a low-power mixed-signal feedforward path and are used to cancel analogous signal terms in the original receiver at digital baseband via adaptive  ...  Since the alternate path must process only IM3 terms, the dynamic ranges of its constituent circuits can be over 10 dB less than in the main path, allowing for significant power savings in its overall  ... 
doi:10.1017/s1759078709990341 fatcat:rvuu4vpb2ffvvexiwzy4th7nfu

A Monolithic CMOS Realization of the Double-Quadrature Image-Reject Weaver Receiver

Mac Russell, David Kazdan, Soumyajit Mandal
2020 2020 IEEE International Symposium on Circuits and Systems (ISCAS)  
As a result, the dynamic range of the LNA is between 90-100 dB across all channels, significantly high for this application.  ...  A dynamic range of 60 dB is similarly appropriate in order to cover the range of anticipated WWV input signal levels.  ...  Appendix Appendix A PCB for receiver testing . This appendix presents the schematic and layout of the PCB board used to test the receiver IC.  ... 
doi:10.1109/iscas45731.2020.9180569 fatcat:j7l3sp3ozjegra6akkilvzq5ke

2020 Index IEEE Transactions on Circuits and Systems II: Express Briefs Vol. 67

2020 IEEE Transactions on Circuits and Systems - II - Express Briefs  
Islam, S., see 1464-1468 Ismail, A., and Sandell, M., A Novel Dynamic Detection for Flash Memory; 600-604 Issakov, V., see Aguilar, E., TCSII May 2020 906-910 Iu, H.H., see Lai, Q., 1129-1133 Iu,  ...  1198 Iqbal, A., Selmi, M.A., Abdulrazak, L.F., Saraereh, O.A., Mallat, N.K., and Smida, A., A Compact Substrate Integrated Waveguide Cavity-Backed Self-Triplexing Antenna; TCSII Nov. 2020 2362-2366  ...  ., +, TCSII Jan. 2020 82-86 Laser tuning A Reconfigurable Wilkinson Power Divider With Flexible Tuning Range Configuration.  ... 
doi:10.1109/tcsii.2020.3047305 fatcat:ifjzekeyczfrbp5b7wrzandm7e

Design of Active CMOS Multiband Ultra-Wideband Receiver Front-End

Md Mahbub Reja
The passive inductorless twostage UWB LNA, three-stage UWB LNA and UWB front-end occupy chip areas of only 0.0114mm 2 , 0.0227mm 2 , and 0.1485mm 2 , respectively.  ...  Active inductors are utilized to develop a novel wideband active shunt-peaking tech-nique that decreases high-frequency losses to yield a flat gain over a wide bandwidth.  ...  with lower dynamic range.  ... 
doi:10.7939/r3zg6n fatcat:de4lhjvgpvad5lnyntyihqfsdq


2020 2020 IEEE/MTT-S International Microwave Symposium (IMS)  
Pedro; Instituto de Telecomunicações Tu2F-2: A 3.9-GHz-Band Outphasing Power Amplifier with Compact Combiner Based on Dual-Power-Level Design for Wide-Dynamic-Range Operation R.  ...  Ultra-Wideband FMCW Radar with Over 40GHz Bandwidth Below 60GHz for High Spatial Resolution in SiGe BiCMOS B. Welp, G. Briese, N.  ...  Th3D-4: A Radar System Concept for 2D Unambiguous Angle Estimation  ... 
doi:10.1109/ims30576.2020.9223840 fatcat:bx4dclbhwnfv3in7m6h2it7r3u

Zhu_columbia_0054D_14107.pdf [article]

Interferer-reflecting loops can be applied around the LNAs to improve their input linearity by rejecting the out-of-band interferers with a wideband low input impedance.  ...  The LNA architecture uniquely provides ultra high bandwidth and low NF at low frequencies.  ...  Inter-band carriers, however, are usually hundreds of MHz apart making a single wideband receiver with sufficient dynamic range impractical.  ... 
doi:10.7916/d8q531xx fatcat:nylvkrbghvdvfjmgulb7jcrpem

Configurable circuits and their impact on multi-standard RF front-end architectures [article]

Vidojkovic, M (Maja), Baltus, PGM (Peter), Roermund, AHM (Arthur) Van, Tang, JD (Johan) Van Der
small chip area.  ...  The IFF together with the Variable-Gain Amplifier (VGA) helps the input signal to fit into a dynamic range of an ADC.  ...  Thus, IM 2 and IM 3 can be calculated as: From the previous analysis it can be concluded that for the common source amplifier with a low voltage gain (A v ) the harmonic distortion will be determined by  ... 
doi:10.6100/ir695312 fatcat:zsky42gawzffnfssqncn4vpaa4
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