Vector Network Analyzers of Rohde&Schwarz family are able to measure magnitude and phase of complex S-parameters of a device under test (DUT) in the frequency domain. By means of the inverse Fourier transform the measurement results can be transformed to the time domain. Thus, the impulse or step response of the DUT...
Published: Sep 23, 2019
To help prevent injuries and increase productivity for end users, machine builders are incorporating safety into the design of metal forming and bending machines. Safer machines make operators more confident and faster in their work; safer machines dramatically reduce the number of injuries, which saves companies time...
Published: Jul 17, 2018
Feed-forward headsets typically are more easily developed because the design engineer usually does not have to deal with stability issues. A major drawback of this topology, however, is wind noise, since the ANC microphones are directly exposed to the ambient. An alternative that overcomes this drawback is the use of a...
Published: Nov 01, 2018
This introduction to EPAD MOSFET describes a broad selection of devices with precisely set gate threshold voltage values, including zero threshold made, enhancement mode and depletion mode. Furthermore, novel circuit designs are presented to illustrate how these devices can be used at a practical level. The brief circuit...
Published: Jul 18, 2018
Utilizing embedded microcontrollers for industrial applications requires special attention given the harsh and noisy environment. Going from a supply voltage as low as +1.5V or +3.3V to the +24V industrial world requires careful design decisions and dedicated solutions to achieve safe and reliable operation.
The following...
Published: Jan 21, 2019
Modern power distribution systems often contain multiple power sources integrated within one system. A simple variant may be the common double-ended substation, which can be further complicated by additional emergency or alternate sources. This presents significant complexity to the designer attempting to design a protection...
Published: Jul 24, 2018
Advanced modeling techniques centric to motor and power stage dynamics can yield significant gains in motor control efficiency, assuring precise control that adapts to fluctuations in system behavior in real time.
Through the application of sensorless vector control, designers can enhance the performance and lower...
Published: Jul 23, 2018
Over the years, a number of methods have been proposed to realize fractional-N frequency synthesis that are based on the basic concepts of traditional integer-N synthesis [1,5]. Among these methods, three techniques are best known in the industry: fractional divider-based, current injection-based, and ∆Σ modulator-based...
Published: Jul 20, 2018
Safety, availability, and cost considerations can make performing thorough tests of embedded control devices using the complete system impractical. Hardware-in-the-loop (HIL) simulation is a real-time test technique used to test these devices more efficiently. During HIL test, the physical system that interfaces...
Published: Feb 19, 2020
This article describes best practices for new designs of PROFIBUS DP nodes, and covers bus node isolation, PROFIBUS compliance, and bus signal polarity. It includes a review of a new family of PROFIBUS International recognized isolated transceivers, whose isolation technology is based on Giant Magneto Resistance (GMR)....
Published: Jul 17, 2018
Digital Signal Processing (DSP) technology continues to transform radar systems and wireless cellular Base Transceiver Station (BTS) systems. DSP technology has made possible the dramatic gains in radar sensitivity, range and image quality, as well as the gains in the cell phone radio performance, data bandwidth and power...
Published: Jul 24, 2018
System designers are faced with continual pressure to meet their development schedules, and need to implement designs with minimal effort and risk while maintaining maximum flexibility. By using a programmable-based approach instead of several discrete devices or Application Specific Standard Products (ASSPs), designers...
Published: Jul 19, 2018
This paper processes and studies the effects of a dual - stage compensation technique for achieving greater than 100 KHz cross over frequency of a single pole system converting from 48V to 1.2V .
By placing a separate non- inventing gain stage after the erorr amplifier, the necessary gain - bandwidth of the op amp...
Published: Jul 25, 2018
How an improved decision flow can help power systems designers reduce materials and development costs and save design time while developing products better aligned with customers’ requirements.
For electronics product designs with a large (>100W) power requirement, the method for choosing a power supply...
Published: Jul 19, 2018