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Ultra-Low Power Mixed-Signal Design Platform Using Subthreshold Source-Coupled Circuits

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Digital Suppression of Spurious PLL Tones in A/D Converters

Ali H. Sayed

In a nonideal PLL circuit, leakage of the reference signal into the control line produces spurious tones. When the distorted PLL signal is used in an analog-to-digital converter (ADC), it injects the spurious tones into the sampled data. These distortions ...

IEEE2011

Power-Performance Scalable Integrated Circuit Design Using Subthreshold MOS

Seyed Armin Tajalli

The potentials of subthreshold metal-oxide-semiconductor (MOS) solid-state devices for implementing widely adjustable performance integrated circuits with very low power consumption have been investigated. The main concentration of this work is developing ...

EPFL2010

Performance Analysis of 3-D Monolithic Integrated Circuits

Giovanni De Micheli, Vasileios Pavlidis, Shashi Kanth Bobba

3-D monolithic integration (3DMI), also termed as sequential integration, is a potential technology for future gigascale circuits. Since the device layers are processed in sequential order, the size of the vertical contacts is similar to traditional contac ...

2010

Nanowatt Range Folding-Interpolating ADC Using Subthreshold Source-Coupled Circuits

Seyed Armin Tajalli, Yusuf Leblebici

A very low power mixed-signal design methodology based on subthreshold source-coupled circuits is presented, and a nano-Watt range analog-to-digital converter (ADC) circuit based on folding-interpolating topology is proposed as a complete design example. T ...

2010

Regenerative Circuits for Rapid Biosensing

Giovanni De Micheli, Carlotta Guiducci

Integrated DNA-sensor arrays typically check for probe-target strand hybridization by analyzing the sensed capacitance changes, normally off-chip in software. However,many applications like portable medical devices require only the detection of an event or ...

2010

Weak Inversion for Ultra Low-Power and Very Low-Voltage Circuits

Eric Vittoz

This paper discusses techniques, limitations and possible future developments of circuits based on transistors operated in the weak inversion (w.i.) mode, also called subthreshold mode. In analog circuits, w.i. is reached at very low current, but it is als ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

Integrated circuit comprising an array of single photon avalanche diodes

Edoardo Charbon, Cristiano Niclass

Integrated circuit (1) comprising: an array of single photon avalanche diodes (SPADs), a plurality of read-out circuits, each SPADs being coupled to one read-out circuit, wherein at least some of the read-out circuits comprise time-to-digital converters (T ...

2009

Improving the power-delay performance in subthreshold source-coupled logic circuits

Seyed Armin Tajalli, Yusuf Leblebici

Subthreshold source-coupled logic (STSCL) circuits can be used in design of low-voltage and ultra-low power digital systems. This article introduces and analyzes new techniques for implementing complex digital systems using STSCL gates with an improved pow ...

Springer2009

Improving the Power-Delay Performance in Subthreshold Source-Coupled Logic Circuits

Seyed Armin Tajalli, Yusuf Leblebici

Springer-Verlag New York, Ms Ingrid Cunningham, 175 Fifth Ave, New York, Ny 10010 Usa2009

Energy efficiency enhancement of sub-threshold digital CMOS

Omer Can Akgun

Power density and energy dissipation of digital IC's has become one of the main concerns during the recent years. With the increased usage of battery powered devices, ubiquitous computing, and increase in implantable biomedical applications, enhancing ener ...

EPFL2009