Beside the common advantages of a flyback converter, it has inherently parasitic components, which typically produce ringing waveforms with considerably high voltage spikes. This ringing can also influence the EMI emissions adversely. Therefore, it is an important task to adequate suppress and damp the ringing effect....
Published: Jul 01, 2021
Today's high reliability military, aerospace, and industrial applications require more rugged, light - weight filter connectors. The filter connector provides a stray signal barrier upstream and away from electronic devices to protect critical circuits from electrical interference, without affecting system function...
Published: Jul 25, 2018
PCI was originally designed as an interconnect for personal computers; because of the nature of PCs at that time, the protocol architects did not anticipate the need for multiprocessors. Therefore, they designed the system assuming that the host processor would enumerate the entire memory space. Obviously, if another processor...
Published: Jul 17, 2018
Connectors are often seen as the weakest link between sub-systems, and sometimes this is rightly so. This can be as a result of underspecifying the connector system or not appreciating the difference between the various rating schemes. As a result engineers tend to over-specify the connectors to ensure they are reliable...
Published: Feb 15, 2019
As electronic systems continue to trend toward lower voltages with higher currents and as the speed of contemporary loads continues to increase, the power systems designer is challenged to provide small, cost effective and efficient solutions that offer the requisite performance.
Vicor’s new Factorized...
Published: Jul 24, 2018
The size or power density of a power supply is a key criteria when selecting the optimum product for a given application. In applications where fans are not desirable due to noise or reliability concerns then efficiency becomes of primary concern. Power supply technology has evolved to a point where efficiencies in the...
Published: Jul 19, 2018
In many switching power converters, rectifier diodes are used to obtain the DC output voltage. The conduction loss of a diode rectifier contributes significantly to the overall power loss, especially for low-voltage, high-current converter applications. The conduction loss of a rectifying diode is given by the product...
Published: Jul 23, 2018
White residue remaining after cleaning circuit board assemblies can be caused by a variety of chemicals and reactions. Rosin and water-soluble fluxes, circuit board resins and epoxies, component materials and other contamination all contribute to this complex chemistry.
This paper discusses many of the sources of...
Published: Jul 23, 2018
For testing new designs of battery holders, MPD fabricated min-max sized battery slugs. The slugs proved to be a great aid to our engineering staff in several ways. First off is saving time and money by not having to shop for several brands of batteries to confirm that your design works with common batteries.
They...
Published: Jul 24, 2018
When transitioning from a traditional phone network to a voice over IP (VoIP) network, it is essential to recognize a key difference between the public switched telephone network (PSTN) and the private data network that will be called upon to take its place.
The PSTN is connected to a massive battery array that allows...
Published: Jul 25, 2018
Tyco Electronics has developed and produced power connectors using alternative manufacturing technologies while other connector manufacturers continue to produce products with traditional screw machined contacts.
This paper will present some of the benefits offered from a stamped & formed power contact design....
Published: Jul 24, 2018
Some impressive devices and machines twenty-first century scientists are building are no bigger than a grain of sand. Many of these constructions incorporate a technology called microelectromechanical systems or MEMS, and the materials used to create them are silicon, polymers, and metals.
Now, Epson Toyocom...
Published: Jul 25, 2018
When considering gate drive requirements, the three most important parameters for eGaN FETs are (1) the maximum allowable gate voltage, (2) the gate threshold voltage, and (3) the “body diode” voltage drop.
eGaN FETs differ from their silicon counterparts because of their significantly faster switching...
Published: Jul 25, 2018
This article examines how to synchronize multiple DC/DC buck regulators in a Master/Slave configuration using phase shift time delay. Phase shifting multiple converters prevents ON time overlapping and reduces RMS current, ripple and input capacitor requirements, which will improve system EMI and power efficiency. This...
Published: Jul 20, 2018
