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A Temperature-compensated CMOS Ring Oscillator for DC-DC converters
2013
IEICE Electronics Express
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The test result shows that the frequency is about 1.2 MHz and the error (Δf/f) is about 3.5% in the temperature range À20-100℃. The circuit is quite suitable for DC-DC converters. ...
A novel current controlled CMOS ring oscillator is presented in this paper. Specially circuit structure and transistor parameters design is used to obtain good temperature coefficient. ...
In this paper, we present a current controlled temperature-compensated CMOS ring oscillator which is simple and quite suitable for DC-DC converters. ...
doi:10.1587/elex.10.20130833
fatcat:e34i3v2akjcsrdvtzkulhjmu3u
A novel technique for improving temperature independency of ring-ADC
2008
Proceedings of the conference on Design, automation and test in Europe - DATE '08
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A new temperature compensation technique for ringoscillator-based ADC is proposed in this paper. ...
It employs a novel fixed-number-based algorithm and a CTAT current biasing technology to compensate the temperaturedependent variations of the output, thus eliminates the need of digital calibrations. ...
In this paper, we propose a novel temperature compensation technique for ring-oscillator-based ADCs. ...
doi:10.1145/1403375.1403544
fatcat:5ppue2dzkzgcratnz2a776rcce
An 80 mV Startup Dual-Mode Boost Converter by Charge-Pumped Pulse Generator and Threshold Voltage Tuned Oscillator With Hot Carrier Injection
2012
IEEE Journal of Solid-State Circuits
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The threshold voltage tuned oscillator for the clock generator of the boost converter compensates for the die-to-die process variation by a hot carrier injection (HCI), thereby reducing the minimum operation ...
This paper presents an 80 mV startup-voltage dual-mode boost converter for energy harvesting applications. ...
The proposed circuit demonstrates the feasibility of countermeasures for the process variation that limits the of a CMOS ring oscillator. This paper is organized as follows. ...
doi:10.1109/jssc.2012.2210953
fatcat:tl7lgqonczavjoc4qqhghj7qdm
Startup Techniques for 95 mV Step-Up Converter by Capacitor Pass-On Scheme and ${\rm V}_{\rm TH}$-Tuned Oscillator With Fixed Charge Programming
2012
IEEE Journal of Solid-State Circuits
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This paper presents a 95 mV startup-voltage step-up DC-DC converter for energy harvesting applications. ...
The proposed step-up converter achieves the lowest startup voltage in standard CMOS without using a mechanical switch or large transformer. ). Y. Okuma and Y. ...
Since 2008, he has been a project researcher with the Institute of Industrial Science (IIS), University of Tokyo, Tokyo, Japan. ...
doi:10.1109/jssc.2012.2185589
fatcat:mjhxlhkk6bfv3lhzff2tv4d5we
CMOS magnetic field to frequency converter
2003
IEEE Sensors Journal
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In this paper, a CMOS magnetic field to frequency converter with high resolution is presented. ...
It is composed of two voltage-controlled ring oscillators whose output frequency differences linearly vary with the magnetic field perpendicular to the chip surface. ...
., for fabricating the chips. ...
doi:10.1109/jsen.2002.807485
fatcat:5kk2g25tmjasjgs6uahrrdbfpq
A temperature-to-digital converter for a MEMS-based programmable oscillator with better than ±0.5ppm frequency stability
2012
2012 IEEE International Solid-State Circuits Conference
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Since the MEMS resonator has a well-defined temperature dependence, the key to this performance is a stable and low-noise temperature-to-digital converter (TDC) that utilizes a thermistor on the same die ...
MEMS-based programmable oscillators have emerged as a promising alternative to crystal-based frequency references, with previously reported work demonstrating sub-ps integrated jitter [1]. ...
Kofi Makinwa provided many valuable comments for this paper. ...
doi:10.1109/isscc.2012.6176977
dblp:conf/isscc/PerrottSLPMAKAGTPLA12
fatcat:pgq43q7os5hvjpre2klbw3w4um
ISSCC 2019 Session 18 Overview: Analog Techniques
2019
2019 IEEE International Solid- State Circuits Conference - (ISSCC)
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The capacitance-to-digital converter (Paper 18.3) achieves a resolution of 0.29fF resolution with 16fJ/conversion-step. ...
This session presents advances in audio amplifiers, auto-zeroed buffers and capacitance-to-digital converters, followed by three papers describing low-power and fast-startup crystal oscillators and two ...
ISSCC 2019 / February 19, 2019 / 1:30 PM 18 3:15 PM 18.4 A 0.55nW/0.5V 32kHz Crystal Oscillator Based on a DC-Only Sustaining Amplifier for IoT H. ...
doi:10.1109/isscc.2019.8662382
fatcat:fmzy7ne5ejfbteupyhn2lgzqaa
Differential CMOS circuits for 622-MHz/933-MHz clock and data recovery applications
2000
IEEE Journal of Solid-State Circuits
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The CCO is based on a two-stage ring oscillator. ...
Index Terms-Clock recovery, CMOS, differential amplifier, high speed, phase-locked loop (PLL), ring oscillator. ...
ring oscillator. ...
doi:10.1109/4.845188
fatcat:dp6a6giq5vb55au7bo2fmro2c4
Variation resilient adaptive controller for subthreshold circuits
2009
2009 Design, Automation & Test in Europe Conference & Exhibition
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digital signatures, and an all-digital DC-DC converter incorporating the sensor capable of generating an operating operating V dd from 0V to 1.2V with a resolution of 18.75mV, suitable for subthreshold ...
We propose a variation resilient adaptive controller for subthreshold circuits with the following novel features: new sensor based on time-to-digital converter for capturing the variations accurately as ...
We would also like to thank Dr N.Ross and Rishad A Shafik for their valuable discussions. ...
doi:10.1109/date.2009.5090648
dblp:conf/date/MishraAZ09
fatcat:q4e6hqa73be6birftbigt65yja
Low-power wireless on-chip microparticle manipulation with process variation compensation
2013
IEICE Electronics Express
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The chip enables microparticle manipulation using a 0.35-V power supply and a 10∼100 kHz clock, which are generated on the chip by means of an onchip coil, a rectifier and a ring oscillator circuit with ...
A chip with which to manipulate microparticles using wireless power transfer and pulse-driven dielectrophoresis has been designed and fabricated using a 0.18-μm CMOS process. ...
Acknowledgments The present study was supported in part by a Grant-in-Aid for Exploratory Research (KAKENHI) (24656231). ...
doi:10.1587/elex.10.20130407
fatcat:yxmw6juswjgqlczvxiawsx5ze4
A Wide Input Range, 95.4% Power Efficiency DC-DC Buck Converter with a Phase-Locked Loop in 0.18 ㎛ BCD
2016
Journal of Power Electronics (JPE)
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This paper presents a DC-DC buck converter with a Phase-Locked Loop (PLL) that can compensates for power efficiency degradation over a wide input range. ...
The proposed DC-DC buck converter is fabricated with a 0.18 µm BCD process, and the die area is 3.96 mm 2 . ...
Fig. 6 shows a block diagram of the proposed relaxation oscillator. The proposed relaxation oscillator compensates for frequency variations due to process and temperature variations. ...
doi:10.6113/jpe.2016.16.6.2024
fatcat:awiyhpfyffg5dj567ude22362u
Table of contents
2017
2017 IEEE International Symposium on Circuits and Systems (ISCAS)
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Method for Transient-Glitch Reduction in Variable Frequency DC-DC Converters
A Novel Nonlinear Modulation Technique for Stabilizing DC-DC Switching Converters
Common-Mode Termination Requirements ...
Ambient Vibrational EnergyO-25 -A Passively Compensated Capacitive Sensor Readout with Biased Varactor Temperature Compensation and Temperature Coherent QuantizationO-26 -Optimum Synchronous Phase Detection ...
doi:10.1109/iscas.2017.8049750
fatcat:csazlovzq5g4bmzlf7uss65sy4
A 80-mV input, fast startup dual-mode boost converter with charge-pumped pulse generator for energy harvesting
2011
IEEE Asian Solid-State Circuits Conference 2011
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A low startup-voltage and fast startup dual-mode boost converter for energy harvesting applications is developed in 65-nm CMOS. ...
with hot-carrier injection (HCI) for CPPG to compensate for the dieto-die process variations reduced the program time to 3min which is 1/20 of [6], thereby reducing the test cost. ...
ACKNOWLEDGMENT This work was carried out as a part of the Extremely Low Power (ELP) project supported by the Ministry of Economy, Trade and Industry (METI) and the New Energy and Industrial Technology ...
doi:10.1109/asscc.2011.6123562
dblp:conf/asscc/ChenIZORTS11
fatcat:ihr4mubdoneaddis73irwu5ram
A process compensated 3-GHz ring oscillator
2009
2009 IEEE International Symposium on Circuits and Systems
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In this paper, we present a high speed ring oscillator compensated for process, as well as temperature variation. ...
By adding a novel control loop to the ring oscillator and leveraging a low process variation current source, we are able to reduce the typical variation from 10.2% to 2.7% for a 3-GHz three stage inverter ...
The block diagram of our proposed process compensation This research is funded by that National Science Foundation CAREER Award No. ...
doi:10.1109/iscas.2009.5117815
dblp:conf/iscas/ZhangA09
fatcat:adq5xomz6reajn2o7z6ng2yslm
High-frequency digital PWM controller IC for DC-DC converters
2003
IEEE transactions on power electronics
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This paper describes a complete digital PWM controller IC for high-frequency switching converters. ...
Novel architecture and configurations of the key building blocks are A/D converter, compensator, and digital pulse-width modulator, are introduced to meet the requirements of tight output voltage regulation ...
Block diagram of the digital PWM controller IC for a dc-dc switching converter. ...
doi:10.1109/tpel.2002.807121
fatcat:7w4pklwu3rgtngtmfyeqlccfyu
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