Interleaving ADCs: Unraveling the mysteries

Analog Dialogue 49-07, July 2015

Time interleaving is a technique that allows the use of multiple identical analog-to-digital converters1 (ADCs) to process regular sample data series at a faster rate than the operating sample rate of each individual data converter. In very simple terms, time interleaving (IL) consists of time multiplexing a parallel array of M identical ADCs, as shown in Figure 1, to achieve a higher net sampl...

Statistical tests are unraveling knotty literary mysteries

A 5.5mW 6b 5GS/s 4×-Interleaved 3b/cycle SAR ADC in 65nm CMOS

Communication devices such as 60GHz-band receivers and serial links demand power-efficient low-resolution gigahertz-sampling-rate ADCs. However, the energy efficiency of ADCs is degraded by scaling up transistor widths in the building blocks for high speed, thus increasing the impact of intrinsic parasitics. Parallel schemes like multi-bit processing and interleaving [1], can ease the problems ...

Modeling, Identification, and Compensation of Channel Mismatch Errors in Time-Interleaved ADCs

Modern signal processing applications emerging in telecommunication and instrumentation industries need high-speed analog-to-digital converters (ADCs), which can be achieved by employing a time-interleaved parallel array of ADCs (time-interleaved ADCs). The time interleaving of the channels allows to increase the sampling rate by the number of channels compared to a single channel. Unfortunatel...

Cosmic Code Breakers

Not all professional astronomers use observatories to ply their trade. Some are hard at work in the laboratory, unraveling the mysteries of the universe. } { CHRIS SCHUR