eCoustics

Are Audiophiles Really Flocking Back to CDs? Pro-Ject’s CD Box RS2 Tube Seems to Think So

Pro-Ject’s CD Box RS2 Tube doubles down on Red Book CDs with a balanced tube stage—no SACD, no digital inputs, and a $2,300 ...
EDN

Ignoring the regulator’s reference redux

Christopher Paul reviews Steve Woodward’s “Ignoring the regulator's reference” with a few minor tweaks to optimize ...
IEEE

Differential Flatness of Single-Input Commensurate Delay Systems With Applications to Trajectory Planning, Tracking, and Transformation to Fully Actuated Systems

Abstract: This paper studies the differential flatness of time-delay systems (TDSs). Based on factorizations in the pseudo-polynomials ring, a flat output for the single-input linear commensurate TDS ...
IEEE

Independent Current Control With Differential Feedforward for Three-Phase Boost PFC Rectifier in Wide AC Input Frequency Application

Abstract: Independent current control of the three-phase boost power factor correction (PFC) rectifier with differential feedforward is proposed for wide ac input frequency application. When ...
ZigWheels

Bentley Flying Spur vs Land Rover Range Rover Velar

Compare Bentley Flying Spur vs Land Rover Range Rover Velar. Compare prices, specifications, features, and colors of Bentley Flying Spur vs Land Rover Range Rover Velar ...
Microwaves & RF

What Should Proper High-Speed Converter Passband Flatness Look Like? (Part 1)

How to measure and characterize the analog bandwidth for a receiver’s ADC. The ins and outs of the fundamental frequency-response measurement method. How to assemble the proper test setup. With analog ...