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A track&hold-AGC suitable for downconversion by subsampling
1999 Edition, Volume 3, January 1, 1999 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

To date, high-speed CMOS transistors can operate in the GHz frequency range and as result high sampling frequency can be obtained. Thus, a receiver architecture using the sub-sampling principle to downconvert the signal can be now considered as a promising alternative to other kinds...

A track&hold-mixer for direct-conversion by subsampling
1999 Edition, Volume 4, January 1, 1999 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The growing need for dense wireless communication circuits in the frequency range of 900 MHz, has forced IC designers to find alternative receivers to the superheterodyne architecture. Among these alternatives, the direct-conversion by subsampling system should be promising...

A switched capacitors track&hold circuit for subsampling applications
1998 Edition, January 1, 1998 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The growing need for dense wireless communication circuits in the frequency range of 900 MHz, has forced IC designers to find alternative receivers to the superheterodyne architecture. Among these alternatives, the direct-conversion by subsampling system should be promising...

Design of Sampling-Based Downconversion Stage for Multistandard RF Subsampling Receiver
2006 Edition, December 1, 2006 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents an improved sampling-based downconversion topology design for multi-standard RF subsampling receiver. Wideband RF receiver architecture is proposed for multimode processing with high-level integration. By an appropriate choice of...

Optimized multistandard RF subsampling radio receiver design
2005 Edition, December 1, 2005 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper presents an improved topology design at RF system architecture level for multi-standard radio receiver based on RF subsampling technique. By limiting downconversion to IF domain, a single path for RF signal analogue processing is used avoiding...

A quadrature charge-domain sampler with embedded FIR and IIR filtering functions
2006 Edition, Volume 41, February 1, 2006 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A circuit technique for integrating built-in complex finite-impulse-response (FIR) and infinite-impulse-response (IIR) filtering functions into operation of a subsampler is presented. Based on integrative multiple sampling in the charge domain, the complex FIR filtering...

Supraharmonic analysis using subsampling
2018 Edition, May 1, 2018 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Researchers and standard-setting organizations recently have paid much attention to power quality disturbances in the frequency range between 2-150 kHz, which is also referred to as supraharmonics. The majority of the commercial PQ monitors cannot access this high frequency without hardware and...

Learning-Based Compressive Subsampling
2016 Edition, Volume 10, June 1, 2016 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The problem of recovering a structured signal x ∈ Cp from a set of dimensionality-reduced linear measurements b = Ax arises in a variety of applications, such as medical imaging, spectroscopy, Fourier optics, and computerized tomography. Due to computational and storage...

Enhancing the input bandwidth of CMOS track and hold amplifiers
2014 Edition, June 1, 2014 - Warsaw University of Technology (WUT)

This paper presents a method to increase the input bandwidth of switched capacitor (SC) track and hold amplifiers (THAs), which is particularly suitable for time-interleaved analog-to-digital converters (ADCs). With a simple model for the...

Highly Linear 60-GHz SiGe Downconversion/Upconversion Mixers
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A linear RF to IF downconversion and IF to RF upconversion mixers for 60-GHz transceivers were implemented in 0.13-μm SiGe technology. The mixers were implemented using a mixing core only topology for enhanced linearity, with no local oscillator (LO) buffers and...

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