Synchronous Bus Converter Supplying Class D Amplifier Virtually Eliminates Bus Pumping

By Mehrzad Koohian, January 26, 2011

DDR Memories Place Tough Demands On Voltage Regulators

By Mehrzad Koohian, April 28, 2003

Full article begins on Page 2 The introduction of double-data-rate (DDR) memory has afforded a quantum leap in performance for commercially available desktop and portable computers. That's a step much warranted by the multigigahertz...

Economical Flyback Converter Operates Off -48 V

By Mehrzad Koohian, March 18, 2002

In telecom applications, the most common power-supply input voltage is −48 V. For years, telephone company central offices have supplied −48 V to operate standard phones, and they continue to do so. So for standardization purposes, the...