The operational transconductance amplifier (OTA) is a key component of switched capacitor filters. Andrea Gerosa of the University of Padova, Italy, explains how to design OTAs optimized for both filter performance and minimum Continue Reading...
Hot swap lets you insert and remove components from a host system without removing power. Since they can reduce down-time, simplify system repair, and allow for system upgrade, hot-swap products are appearing in a wide range of Continue Reading...
The convergence of fourth-generation multimedia standards (MPEG-4) and third-generation (3G) wireless standards could result in the next great killer application, mobile entertainment devices that generate and deliver high-quality multimedia Continue Reading...
High-speed chips require low-skew clock distribution that can handle high clock rates and sophisticated features such as programmable duty cycle and delay. Zeljko Zilic of McGill University discusses frequency synthesis along with the critical phase- and Continue Reading...
Genetic algorithms (GAs) offer some impressive advantages for analog-circuit optimization. Kenneth Noren and John Ross discuss how to apply such algorithms for adjusting circuit parameters and describe a number of circuits designed with Continue Reading...
SoC designers face a difficult problem in incorporating analog and mixed-signal blocks into their mostly digital chips. However, new breeds of synthesis and physical-implementation EDA tools are helping these designers in Cracking the Analog-Design Continue Reading...
The design of RC operational amplifier oscillators requires the use of a formal design procedure. ON Semiconductor's Jim Lepkowski describes a design procedure for two-state variable oscillator circuits you can use in precision capacitive-sensor Continue Reading...
Telephone systems require certain special voltages that vary from application to application and country to country. This article by Maxim's Ron Young presents several handy circuits for deriving the voltages needed for subscriber-line interface cards (SLICs) Continue Reading...
Site director Charles H. Small delves into the sometimes confusing world of the metric system to examine how we can brush up on our International System of Continue Reading...
With the trend toward decreasing voltages, power management must keep pace to supply the necessary voltage and power levels. Achieving a precise sub-1V output with current devices is not feasible because most have reference voltage levels of either 1.25V or Continue Reading...
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