Issue 7-8, 2017

ELECTROTECHNICA & ELECTRONICA E+E

Vol. 52. No 7-8/2017
Monthly scientific and technical journal
Published by:
The Union of Electronics, Electrical Engineering and Telecommunications /CEEC/, BULGARIA

20170708-full

C O N T E N T S

ELECTRONICS

Georgi Panov
Overview of frequency compensations in the CMOS operational amplifiers, Part two – Advance solutions 1

Viktor Tomov, Serafim Tabakov
Modern advances in energy based electrosurgical devices 10

TELECOMMUNICATIONS SCIENCE

Peter Apostolov, Alexey Stefanov
Non uniform array antenna with three Luneburg lenses 14

APPLICATION IN PRACTICE

Emil Vladkov
Practical implementation of integrated ambient light sensors in visible light illuminance measurements 19

Milan Stankov
From electrica to invariant automatic (Or how to use the knowledge about Theory of electricity for enter into Theory of invariant automatic control)Part one: System and invariant electric model 28

UP-TO-DATE INFORMATION ON SCIENCE IN BULGARIA

Ministry of Education and Science, Republic of Bulgaria
National strategy for development of scientific research in the republic of Bulgaria 2017 – 2030
(Better science for better Bulgaria).

Vision and targets. 33

Ministry of Education and Science, Republic of Bulgaria
Bulgaria national roadmap for research infrastructure 2017-2023
Introduction, Diagnostic review of RI and equipment: key findings, Strategic framework, ESFRI and the Bulgarian participation in pan-European RI, Inclusion of RIs in thenational roadmap 41