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Fully Differential Touch Screen Controller with Wide Input Dynamic Range for Thin Displays

Chang-Ju Lee, Jong Kang Park, Han-Eol Seo, Junho Huh, Jung-Hoon Chun
2020 Sensors  
Then, to mitigate display noise, we propose a circuit solution that uses a fully differential charge amplifier with an input dynamic range wider than the maximum peak of the display noise.  ...  A test chip was fabricated using a 0.35 μm CMOS process and achieved a signal-to-noise ratio of 41 dB for a 6-mm-diameter metal pillar touch when display pulses with 5-V swing were driven at 100 kHz.  ...  Proposed fully differential amplifier with rail-to-rail input dynamic range and its common-mode feedback circuit. Figure 9 . 9 Figure 9.  ... 
doi:10.3390/s20030837 pmid:32033210 pmcid:PMC7038724 fatcat:yf5udjrrprbsvh6uo6bj5qtyaa

A 45-dB, 150-Hz, and 18-mW Touch Controller for On-Cell Capacitive TSP Systems

Yeong-Shin Jang, Young-Hun Ko, Jung-Min Choi, Hyung-Seog Oh, Sang-Gug Lee
2014 IEEE Transactions on Circuits and Systems - II - Express Briefs  
A touch controller is proposed for on-cell capacitive touch screen panel systems, which adopts a newly proposed peaking noise detector and low-frequency rejection filters.  ...  Implemented in a 0.35-μm CMOS, the proposed touch controller with 3.3-V drive signal shows the maximum signal-to-noise ratio and scan rate of 45 dB and 150 Hz, respectively, while consuming 18 mW from  ...  Although a fully differential chargetransfer-type integrator can reject the common-mode noise by the differential output, the voltage swing of the two outputs can be reduced in case of a large common-mode  ... 
doi:10.1109/tcsii.2014.2345292 fatcat:zqbyb3xbwjenjo3wmcmb34peku

HapTable: An Interactive Tabletop Providing Online Haptic Feedback for Touch Gestures

Senem Ezgi Emgin, Amirreza Aghakhani, Metin Sezgin, Cagatay Basdogan
2018 IEEE Transactions on Visualization and Computer Graphics  
a surface capacitive touch screen.  ...  We present HapTable; a multimodal interactive tabletop that allows users to interact with digital images and objects through natural touch gestures, and receive visual and haptic feedback accordingly.  ...  Another common line of effort for displaying haptic feedback through a touch surface is to utilize electromechanical or electrostatic actuation.  ... 
doi:10.1109/tvcg.2018.2855154 pmid:30004878 fatcat:rieybwu3wne3nath4iqvzp7hui

A seven nanosecond comparator for single supply operation [chapter]

Jim Williams
2015 Analog Circuit Design  
The LT1016, although capable of such operation, does not include ground in its input range. As such, it must be biased into its operating common mode range for practical single supply use.  ...  A new device, the LT1394, maintains the speed and application civility of its predecessor while including ground in its input operating range.  ...  Feedback with 3kΩ Source Can Cause Oscillation Stray 5pF Capacitance from Input to Ground Causes Delay Excessive Load Capacitance Forces Edge Distortion Figure 14 .Figure 15 . 1415 LengthyInput Common  ... 
doi:10.1016/b978-0-12-800001-4.00482-8 fatcat:63g6xgsngbhdnimox3qdmeeoje

2019 Index IEEE Transactions on Circuits and Systems I: Regular Papers Vol. 66

2019 IEEE Transactions on Circuits and Systems Part 1: Regular Papers  
., +, TCSI April 2019 1393-1404 Differential Transmission Lines Loaded With Magnetic LC Resonators and Application in Common Mode Suppression.  ...  Issakov, V., +, TCSI Sept. 2019 3557-3570 Differential Transmission Lines Loaded With Magnetic LC Resonators and Application in Common Mode Suppression.  ... 
doi:10.1109/tcsi.2020.2966967 fatcat:f663jj5g45e3peggn3gwn5jys4

2020 Index IEEE Transactions on Circuits and Systems I: Regular Papers Vol. 67

2020 IEEE Transactions on Circuits and Systems Part 1: Regular Papers  
., TCSI April 2020 1126-1135 Differential Coded Multiple Signaling Method With Fully Differential Receiver for Mutual Capacitive Fingerprint TSP.  ...  Ciarpi, G., +, TCSI March 2020 829-838 Differential Coded Multiple Signaling Method With Fully Differential Receiver for Mutual Capacitive Fingerprint TSP.  ...  ., +, 3297-3308 Self-Tuned Class-D Audio Amplifier With Post-Filter Digital Feedback Implemented on Digital Signal Controller.  ... 
doi:10.1109/tcsi.2021.3055003 fatcat:kbmst5td2bbvtl7vpbj3knnkri

Equalization and near-end crosstalk (NEXT) noise cancellation for 20-Gb/s 4-PAM backplane serial I/O interconnections

Y. Hur, Moonkyun Maeng, C. Chun, F. Bien, Hyoungsoo Kim, S. Chandramouli, E. Gebara, J. Laskar
2005 IEEE transactions on microwave theory and techniques  
The common mode voltage level at the FFE input is designed to operate at 980 mV and maintain enough voltage headroom at the passive load due to the folded gain control structure.  ...  Another bandwidth enhancement technique is to add the capacitance in series with the input gate-source capacitance. Therefore, the input capacitance of the given stage can be reduced by half.  ... 
doi:10.1109/tmtt.2004.839311 fatcat:jhbnrnj5qzelbh5hkwwhq2bxxy

An integrated CMOS micromechanical resonator high-Q oscillator

C.T.-C. Nguyen, R.T. Howe
1999 IEEE Journal of Solid-State Circuits  
A completely monolithic high-Q Q Q oscillator, fabricated via a combined CMOS plus surface micromachining technology, is described, for which the oscillation frequency is controlled by a polysilicon micromechanical  ...  The operation and performance of micromechanical resonators are modeled, with emphasis on circuit and noise modeling of multiport resonators.  ...  Fang for assistance in CMOS fabrication as well as K. Voros and the staff of the Berkeley Microfabrication Laboratory for process support.  ... 
doi:10.1109/4.753677 fatcat:awv63erwuvgbljn4xys7a3xi5m

$\mathcal{PT}$-symmetric electronics

J Schindler, Z Lin, J M Lee, H Ramezani, F M Ellis, T Kottos
2012 Journal of Physics A: Mathematical and Theoretical  
We show both theoretically and experimentally that a pair of inductively coupled active LRC circuits (dimer), one with amplification and another with an equivalent amount of attenuation, display all the  ...  Utilizing a Liouvilian formulation, we can define an underlying PT-symmetric Hamiltonian, which provides important insight for understanding the behavior of the system.  ...  The small feedback capacitances in the NIC act to partially cancel out the parallel capacitance. So a simpler nearly equivalent model would include only the negative resistor and an effective C in .  ... 
doi:10.1088/1751-8113/45/44/444029 fatcat:pcpas73jcjfhhbwyecv7d3yy4m

HaLoS – Integrated RF-Hardware Components for Ultra-Wideband Localization and Sensing [chapter]

Stefan Heinen, Ralf Wunderlich, Markus Robens, Jurgen Sachs, Martin Kmec, Robert Weigel, Thomas Umuller, Benjamin Sewiolo, Mohamed Hamouda, Rolf Kraemer, Johann-Christoph Scheytt, Yevgen Borokhovych
2013 Ultra-Wideband Radio Technologies for Communications, Localization and Sensor Applications  
In view of Fig. 14 , mixed-mode transformation provides noise power spectral densities in the differential mode at the selected output of the DUT for both cases: Noise generated by the DUT and the input  ...  Also, there should be a noise power of kT available at the input of the DUT in differential mode to stay comparable to the standard noise figure definition.  ... 
doi:10.5772/54987 fatcat:htdlugglxzcxtjngilwtxlyjci

Neckband-Based Continuous Blood Pressure Monitoring Device with Offset-Tolerant ROIC

Kwangmuk Lee, Yumin Kang, Chan Sam Park, Hyunjoong Kim, Dae Sik Keum, Dong Pyo Jang, Jae Joon Kim
2022 IEEE Access  
For its small-featured noises-tolerant detection capability, a customized readout integrated circuit (ROIC) was developed, which includes two kinds of analog front-ends (AFEs) for biopotential and bio-impedance  ...  This study presents a wearable neckband device for continuous cuffless blood pressure (BP) monitoring, where reliable neck-based BP measurement is achieved by utilizing the electrocardiogram (ECG) and  ...  is compensated through the feedback operation of the hybrid-DSL until the VOUT settles to common-mode voltage.  ... 
doi:10.1109/access.2022.3149925 fatcat:rpjcuacatnhidf3d7mtk2mnaka

Differential integrator pixel architecture for dark current compensation in CMOS image sensors

Marzieh Mehri Dehnavi, Yves Audet, Elham Khamsehashari
2016 2016 14th IEEE International New Circuits and Systems Conference (NEWCAS)  
CMOS Active Pixel Sensor (APS) technology has improved during the last decades and suggests a viable alternative for many applications with CCD technology.  ...  Also I would like to thank to my colleagues at Microelectronics Research Group who were always there for me with countless help and constructive discussions.  ...  In [6] multiple-input multiple-output differential amplifier with negative feedback integrator is implemented.  ... 
doi:10.1109/newcas.2016.7604824 dblp:conf/newcas/DehnaviAK16 fatcat:kuxb2bhmrrc5lbxffxqwhafkza

A Smart IGBT Gate Driver IC with Temperature Compensated Collector Current Sensing

Jingxuan Chen, Wei Jia Zhang, Andrew Shorten, Jingshu Yu, Masahiro Sasaki, T. Kawashima, Haruhiko Nishio, Wai Tung Ng
2018 IEEE transactions on power electronics  
A for turn-on and 1 to 50 A for turn-off.  ...  Measurements using a double pulse test setup at room temperature show that an accuracy of ±1 A could be iii ensured with a 2 nd order polynomial curve fitting, within the current range between 1 to 30  ...  This is a single ended implementation. The final design is fully differential with the same transfer function but better performance in terms of common-mode noise rejection.  ... 
doi:10.1109/tpel.2018.2865788 fatcat:gadghppig5h25kxe3hvobjorwm

Invited Review Article: A 10 mK scanning probe microscopy facility

Young Jae Song, Alexander F. Otte, Vladimir Shvarts, Zuyu Zhao, Young Kuk, Steven R. Blankenship, Alan Band, Frank M. Hess, Joseph A. Stroscio
2010 Review of Scientific Instruments  
The system can be connected to, or disconnected from, a network of interconnected auxiliary UHV chambers, which include growth chambers for metal and semiconductor samples, a field ion microscope for tip  ...  characterization, and a fully independent additional quick access low temperature STM/AFM system.  ...  is the input voltage noise, i n the input current noise, R f the feedback resistance, and C D the parasitic capacitance from the connection wiring.  ... 
doi:10.1063/1.3520482 pmid:21198007 fatcat:iafpyla2lveufeqxy2l2jwfog4

RF Mixers [chapter]

2010 Radio Frequency Circuit Design  
A switching power supply, a camera's light meter, a radio's automatic gain control, the temperature control in a building, a car's emission system controls, and a Touch-Tone dialing system are examples  ...  The inductance for the differential length is thus Ldz, and the capacitance is Cdz.  ...  Furthermore, in this example, the verbose mode is chosen by choosing to display the intermediate results. An analysis of this circuit using SPICE is shown in Fig. C. 1.  ... 
doi:10.1002/9780470768020.ch11 fatcat:t332r6j2p5epjpfnsnoal3xalq
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