Recent studies of Lim et al. have shown that channel engineering can effectively be used to globally improve the device noise performance. This happens because the doping profile can strongly impact the correlation between the drain and induc ...

2008

A Low-Power Programmable Dynamic Frequency Divider

Christian Enz

In this paper, a solution to realize a low-power programmable frequency divider using dynamic logic is proposed. By cascading compact dual-modulus divider slice with recursive feedback mechanisms, any dividing ratio is easily implemented. A 5-stages 0.18 m ...

2008

Compact Modeling of Noise in Nonuniform Channel MOSFET

Christian Enz, Ananda Sankar Roy

2008

Noise Modeling in Lateral Nonuniform MOSFET

Christian Enz, Jean-Michel Sallese, Ananda Sankar Roy

In this paper, we present an analytical noise modeling methodology for lateral nonuniform MOSFET. We demonstrate that the noise properties of lateral nonuniform MOSFETs are considerably different from the prediction obtained with the conventional Klaassen- ...

2007

Analytical Modeling of Large-Signal Cyclo-Stationary Low-Frequency Noise With Arbitrary Periodic Input

Christian Enz, Ananda Sankar Roy

Low-frequency (LF) noise under cyclo-stationary excitation has received considerable attention recently. Until now, only semiempirical models for cyclo-stationary random telegraph signal (RTS) and flicker noise have been reported in the literature. In this ...

2007

Theory of Source-Drain Partitioning in MOSFET

Christian Enz, Jean-Michel Sallese, Ananda Sankar Roy

2007

A Charge-Based Compact Flicker Noise Model Including Short-channel Effects

Christian Enz, Ananda Sankar Roy

2007

Building Blocks for an Ultra Low-Power MEMS-based Radio

Christian Enz

The recent advances made in MEMS and particularly in RF MEMS technology are enabling new architectures for the integration of RF transceivers with improved performance and smaller size. Several fundamental building blocks benefit from the availability of h ...

2007

Frequency Synthesis for a Low-Power 2.4 GHz Receiver Using a BAW Oscillator and a Relaxation Oscillator

Christian Enz

In this paper, a solution to realize local oscillators (LO) for a low power super-heterodyne receiver is presented. The first oscillator uses a bulk acoustic wave (BAW) resonator with high Q-factor. A quasi- harmonic quadrature relaxation oscillator with l ...

2007

Ultra Low-Power MEMS-based Radio for Wireless Sensor Networks

Christian Enz, Nicola Scolari

2007

An Analytical Thermal Noise Model of DG MOSFET and Comparison with Bulk MOSFET

Christian Enz, Ananda Sankar Roy

2007

Source–Drain Partitioning in MOSFET

Christian Enz, Jean-Michel Sallese, Ananda Sankar Roy

The Ward-Dutton (WD) partitioning scheme [IEEE Trans. Electron Devices, vol. ED-27, p. 1571, Aug. 1980] is used extensively to develop transient and high-frequency advanced compact models for MOSFET devices. Recently, it has been shown that WD partitioning ...

2007

Analytical Noise Modeling in MOSFET

Christian Enz, Ananda Sankar Roy

2007

Common-mode Oscillation in Capacitive Coupled Differential Colpitts Oscillators

Christian Enz, Uroschanit Yodprasit

A simple approach to the realisation of a differential Colpitts oscillator is to connect the grounded capacitor in the feedback network of two single-ended Colpitts oscillators together in series. As the output signals are expected to be differential, it i ...

2007

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Christian Enz

Graph Chatbot

A Short Story of the EKV MOS Transistor Model

SE2: MEMS for Frequency Synthesis and Wireless RF Communications (or Life without Quartz Crystal)

TD: Trends in Communication Circuits and Systems

Impact of Lateral Asymmetry of MOSFETs on the Gate and Drain Noise Correlation

A Low-Power Programmable Dynamic Frequency Divider

Compact Modeling of Noise in Nonuniform Channel MOSFET

Noise Modeling in Lateral Nonuniform MOSFET

Analytical Modeling of Large-Signal Cyclo-Stationary Low-Frequency Noise With Arbitrary Periodic Input

Theory of Source-Drain Partitioning in MOSFET

A Charge-Based Compact Flicker Noise Model Including Short-channel Effects

Building Blocks for an Ultra Low-Power MEMS-based Radio

Frequency Synthesis for a Low-Power 2.4 GHz Receiver Using a BAW Oscillator and a Relaxation Oscillator

Ultra Low-Power MEMS-based Radio for Wireless Sensor Networks

An Analytical Thermal Noise Model of DG MOSFET and Comparison with Bulk MOSFET

Source–Drain Partitioning in MOSFET

Analytical Noise Modeling in MOSFET

Common-mode Oscillation in Capacitive Coupled Differential Colpitts Oscillators

Generalized Source/Drain Partitioning in MOSFET

Noise Modeling Methodologies in the Presence of Mobility Degradation and their Equivalence

A 1V 450$\mu$W Quadrature Bandpass $\Delta\Sigma$ Modulator for the IEEE 802.15.4 Standard