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17 Result(s)
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Article
Open AccessAn offset calibration scheme for on-chip thermal profiling with differential temperature sensors
This paper introduces an on-chip analog calibration method tailored for differential temperature sensors in thermal monitoring applications. A three-step calibration process is proposed within a two-stage high...
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Article
Integration of a novel CMOS-compatible magnetoelectric antenna with a low-noise amplifier and a tunable input matching
A low-noise amplifier (LNA) topology with tunable input matching and noise cancellation is introduced and described in this paper, which was designed and optimized to interface with a magnetoelectric (ME) ante...
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Article
Design techniques for mitigation of intermodulation distortion components in CMOS RF receiver front-end circuits with subthreshold operation
This paper provides an overview of target applications and design aspects for emerging radio frequency front-end circuits with subthreshold biasing to reduce power consumption. Design methods are described to ...
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Article
Instrumentation amplifier and current injection circuit design for input impedance boosting in biopotential and bioimpedance measurements
This paper describes an instrumentation amplifier (IA) architecture with a mechanism that generates negative capacitances at its input. Two 8-bit programmable capacitors between the input stage and the current...
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Article
A low-power temperature-compensated CMOS relaxation oscillator
A relaxation oscillator with integrated voltage and current reference generation circuitry is presented in this paper for on-chip clock signal generation in low-power applications. Designed and simulated in 0....
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Article
Wide Dynamic Range CMOS Amplifier Design for RF Signal Power Detection via Electro-Thermal Coupling
A differential temperature sensor for on-chip signal and DC power monitoring is presented for built-in testing and calibration applications. The amplifiers in the sensor are designed with class AB output stage...
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Article
Input impedance matching optimization for adaptive low-power low-noise amplifiers
Portable and implantable devices with wireless connectivity generate a high demand for low-power RF circuits. Biasing transistors in the subthreshold region allows significant reduction of power consumption, b...
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Article
Mismatch reduction technique for transistors with minimum channel length
An analog calibration technique is presented to improve the parameter matching between transistors in the differential high-frequency signal path of analog CMOS circuits. It can be applied for mismatch reducti...
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Book
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Chapter
Introduction
This chapter introduces the technical challenges associated with increasing variations as a result from scaling down the dimensions of devices fabricated with complementary metal-oxide-semiconductor (CMOS) tec...
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Chapter
Summary and Conclusions
Summarizing remarks and conclusions are provided in this chapter with regards to system-level self-calibration strategies as well as the specific case studies described in the book.
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Chapter
Process Variation Challenges and Solutions Approaches
The technical and economic impacts of worsening process variations and intra-die device mismatches are elaborated in this chapter, especially with regards to product yield, reliability, and manufacturing cost....
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Chapter
Multi-Bit Quantizer Design for Continuous-Time Sigma-Delta Modulators with Reduced Device Matching Requirements
Future wireless devices will require extensive connectivity to accommodate several services, which means that the receivers must cover broader frequency bands. Therefore, on-chip analog-to-digital converters (...
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Chapter
Mismatch Reduction for Transistors in High-Frequency Differential Analog Signal Paths
An analog calibration technique is described in this chapter, which aims at lessening the mismatch between transistors in the differential high-frequency signal path of analog CMOS circuits. It can be applied ...
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Chapter
High-Linearity Transconductance Amplifiers with Digital Correction Capability
The push towards wider bandwidths in baseband filter applications calls for operational transconductance amplifiers (OTAs) with progressively better linearity at higher frequencies. In this chapter, an archite...
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Chapter
An On-Chip Temperature Sensor for the Measurement of RF Power Dissipation and Thermal Gradients
In this chapter, a design methodology is presented that aims at the extraction of RF circuit performance characteristics from the DC output of an on-chip temperature sensor. Any RF input signal can be applied ...
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Article
Survey of Robustness Enhancement Techniques for Wireless Systems-on-a-Chip and Study of Temperature as Observable for Process Variations
Built-in test and on-chip calibration features are becoming essential for reliable wireless connectivity of next generation devices suffering from increasing process variations in CMOS technologies. This paper...
