volume 52

20170708-02
Modern advances in energy based electrosurgical devices
Viktor Tomov, Serafim Tabakov

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A modern electrosurgical apparatus incorporates digital mechanisms to control the effect of radio frequency (RF) energy delivered to the body tissue. These mechanisms range from a closed loop system with constant power delivery ...  read more

Overview of frequency compensations in the CMOS operational amplifiers, Part two – Advance solutions
Georgi Panov

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An overview of several common used frequency compensations in the CMOS operational amplifiers is presented. The advantages and disadvantages for each of them are given based on mathematical analysis. Practical circuit examples ...  read more