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CONTENTS of PROCEEDINGS
ELECTRONICS 1997
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BOOK 1 (in English)
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Nenchev M., Development
of Laser Sources Capable of Emitting Nanosecond Pulses with Controlled
Length, Shape and Wavelength
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7
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Hristov M., CAD
in Electronics and Microelectronics Education
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40
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ELECTRONIC SYSTEMS IN
MEASUREMENT AND CONTROL
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Meijer G., Multi-Electrode
Capacitive Sensors
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57
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Nihtianov St., G.Meijer, Non-Destructive
Simultaneous Food-Sterility and Package-Quality Testing of Aseptically Packed
Food Products with Impedance Measurements
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66
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Ivanov R., G.E.M.D.C. Bandara, Performance
of MC68HC812A4’s specialized Fuzzy instructions in Fuzzy logic programming
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73
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Altimirski E., R.Ivanov, A.Kerezov, Electronic
Water Flow Meter for a Centralized Computer Control Station
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79
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Zerbe V., D.Alexiev, R.Blume, S.Ouzounov, One
Fuzzy Hierarchical Algorithm for Mobile robot Navigation
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83
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Kerezov A., Precision
Weight Scale Without Expensive Analogue Circuits and Voltage Reference
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88
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Mitev M., V.Manoev, K.Stefanov, P.Petev, D.Vassilev, 2048-Channel
System for High Voltage Power Supply
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93
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Ovcharov St., M.Bogdanov, Investigation
of the Amplitude and Phase Errors of Transformer Current to Voltage
Converters
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97
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Ovcharov St., M.Bogdanov, Analysis
of the Effect of Negative Resistance Element over the Error of a Compensated
Current Transformer Converter
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103
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Rouskova I., Fuzzy
Rules Generation for a Microkernel, Integrated to a Motorola 68HC11 Operating
System
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109
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Petrov B., I.Rouskova, A
Microkernel for Multitasking Operation Mode on the Base of Motorola 68HC11
Microcontroller
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113
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Petrov B., An
Investigation on the Possibilities of ADSP-2104 Shared Access to the
Synchronized SRAM
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119
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Petrov B., An
Investigation on the Possibilities for Multiprocessor Systems with Motorola MC68HC11
Microcontroller Chip
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124
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POWER ELECTRONICS
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Soran I.F.; I.Sztojanov; S.Pasca, The
use of Hybrid Model of the Induction Machine Associated with Static
Converters in the Simulation of Electric Drive System
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129
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Popov E., Computer
Simulation of Power Vacuum Tube Oscillators
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136
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ELECTRONIC MEDICAL
EQUIPMENT
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Santos A., I.Tashev, I. Dotsinsky, Artefact
Suppression of Nerve Evoked Signals Using Adaptive Filtering
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145
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EDUCATION IN ELECTRONICS
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Vassileva T., V.Tchoumatchenko, I.Astinov, P.Amblard, Experience
in Using WWW Technologies in Education
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151
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MICROELECTRONICS
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Reczey M., R.Dobay, G.Harsanyi Z.Illyefalvi-Vitez, Electroconducting
Polymer Film Based Gas Sensor on Thick Film Substrate
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157
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Radonov R., M.Hristov, Network
Organisation at the Electronics
CAD Laboratory
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161
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Gospodinova-Daltcheva M., Using
High Resistively Silicon Substrates as Chip-Carriers for High-Speed
Monolithic Integrated Circuits
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166
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Andonova A., Heat-Resistance
Estimation of Digital Hybrid Integrated Circuits
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172
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MODELLING AND ANALYSIS IN
ELECTRONICS
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Van der Woerd A.C., A.H.M. van Roermund, Electronic
Delay Circuit for Intelligibility Improvements and Acoustic Feedback Prevention
of Hearing Aids
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177
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Sztojanov I., S.Pasca, V.Bota, Methods
for Improving the Selectivity of Spectral Analysis and Their Implementation
with LabView
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183
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Thijssen L., Quality
Optimisation in
Digital Integrated Circuit Design
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189
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Staykova T., D.Slavov, M.Deneva, M.Nenchev, Improvement
of the Generation Characteristics of a Flashlamp - Pumped Dye
Laser Using a New Combined Passive Self-Injection Locking Dual-Step Pumping
Technique
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197
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Popov A., D.Manova, A Parallel
Resistorless CMOS ADC
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203
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Tchoumatchenko V., T.Vassileva, B.Korchev, A.Guyot, Design of
Reusable VHDL Models, TU-Sofia
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209
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BOOK 2 (in
Bulgarian)
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MODELLING AND ANALYSIS IN ELECTRONICS
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Hristov M., V.Hristov, Imitation
modelling of the
Network Operations at ETHERNET LANs
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7
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Kojtchev K., P.Petrova, Design of
Cable TV Networks
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13
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Stefanova St., Semi-Infinite
Optimization of Recursive Digital Filters
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19
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Savov V., T.Todorov, Zh. Dimitrov, Mathematical
Models for Analyzing two Dimensional Stationary Magnetic Fields
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25
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Stoyanov I., B.Nikolova, CMOS
Invertors Design and Simulation with Design Center and Cadence
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31
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Nikolova B., CMOS
Technology Capabilities for Precision Operational Amplifiers Design
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37
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Petrova P., Non-Deterministic
Models of Ramchandani and Sifakis-Tipe
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43
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Petrova P., Interval
Specifying Possibilities in Place/Transition Design Techniques
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49
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Popov A., E.Manolov, A
High-Speed Transistor-Bridge Track-and-Hold Circuit
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55
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Krastev Kr., K.Kralev, Vl.Pirgozliev, V. Raitchev, Coordinate
Equipment for Cutting PVC Images
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61
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Krastev Kr., K.Kralev, System
for Automatic Setting and Cutting of PVC Images
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66
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Kolev I., Programmable
Photoswitches
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72
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Arnaudov D., A
Methodology for Minimization of the Average Response Time In Databases with a
Hierarchical Partially-Inverted Structure
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77
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ELECTRONIC SYSTEMS IN
MEASUREMENT AND CONTROL
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Ivanov R., R.Kortensky, Functional
Comparison of Some Microcontrollers for Fuzzy Controllers
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81
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Kortensky R., Method
for Shorted Looping of the Fuzzy Rule Base in the Fuzzy Controllers
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87
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Mihov G., A
Digital Frequency Sensitive Phase Detector
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93
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Nemigenchev I., Vl.Alexiev, A.Gospodinov, Sensor
System for Analysis of Gas Medium
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99
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Ilarionov R., A
Possible Approach to Developing LED Displays
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103
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Pavlikyanov E., J.Rousseva, A
Microprocessor System for Control of Pressure Casting Machine with
Electromagnetic Forces
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108
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Simeonov I., An
ultrasonic Converter for Level Measuring
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112
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Dimitrov V., V.Mutkov, An
Investigation of an Electronic Module for the Air Velocity Measurement in
Stock-Breeding Buildings
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118
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Mutkov V., V. Dimitrov, I.Evstatiev, An
Electronic System for the Basic Microclimate parameters Measurement in
Stock-Breeding Buildings
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124
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Milushev Ml., T.Djamiykov, Experimental
Study of Low-Cost Optical Liner Sensor
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129
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Spasov G., J.Lambrev, Data
Field in The Frame of Sublayer Media Access Control in Diffuse Infrared LAN
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135
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Shkevov R., V.Marinov, System
for Tracking and Protection of Satellites Electronics Complexes Against Peak
Value in Electric Field Amplitude and Spacecraft Body Potential
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141
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Shkevov R., Application
Limits of the Piezoelectric Accelerometers in Space Microgravity Acceleration
Measurement Systems
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147
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Dinkov E., M.Dinkova, Capacitive Levelmeter
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153
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Dinkov E., M.Dinkova, Levelmeter Lonvestion Circuit
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160
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Dinkov E., Stabilized
Reference DC Voltage Source
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166
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Marinov M., V.Galabov, C.Schiling, Investigation
of the Behavior of Microsensors by Long Term Exposition of Environmental
Influence
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170
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Avramov P., Zgurev M., Tuliev N., Tzanov M., Manolov E., Koparanov F.,
Linear
Fotosensor Module
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176
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Avramov P., Tzanov M., Manolov E., Koparanov F., Methods
for Measurement of Flat Object Areas
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180
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BOOK 3 (in
Bulgarian)
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POWER ELECTRONICS
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Nemigenchev I., Vl.Alexiev, Investigation
of Class “E” Tuned
Power Amplifier
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7
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Madjarov N., Ah.Ali, Behaviours
and Characteristics of Frequency Converters with Dosing of Energy for
Electrotechnology (part one - theoretical and computer researches)
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13
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Todorov T., N.Madjarov, Ah.Ali, Behaviours
and Characteristics of Frequency Converters with Dosing of Energy for
Electrotechnology (part two - experimental researches)
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18
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Georgiev P., L.Tihtchev, Directions
for Electronic Control of Single-Phase Asynchronous Electric Tractions
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23
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Georgiev P., St.Stefanov, Microcontroller
Inverter for Control of Low-Powered Servodrives
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29
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Georgiev P., V.Georgiev, On
the Application of Spacevector Modulation in the Control by Orientation of
the Magnetic Field of a Three-Phase Induction Motor
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35
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Georgiev V., V.Georgiev, Coordinate
Transformation Used in Control Systems for a Three-Phase Induction Motor by
Orientation of it’s Magnetic Field
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41
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Dimitrov M., P.Minthchev, St.Balinov, Three-Dimensional
Edge Element Numerical Analysis of Induction Heaters
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46
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Dimitrov M., P.Minthchev, Possibilities
for Acceleration of the Calculations in Three-Dimensional Numerical Analysis
of Inductors with Rectangular cross-section
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52
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Dimitrov M., P.Minthchev, Choice
of Working Frequency in Induction Heating for Solid-State Nitriding of Metals
and Alloys
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56
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Hinov N., N.Gradinarov, Analysis
of the Resonance Inverters with Induced Commutation
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61
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Gradinarov N., N.Hinov, Analysis
of the Resonance Inverters with Complex Load
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68
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Gradinarov N., N.Hinov, Analysis
of the Resonance Inverters with Reverse Diodes at Complex Load
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74
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ELECTRONIC MEDICAL
EQUIPMENT
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Penchev P., E.Baltov, Clinical
and Radiographic Evaluation of Idiopathic Aseptic Necrosis of the Femoral
Head
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80
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Penchev P., A
Two-Dimensional Model of a Femoral Head with Implants
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87
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Kovatchev P., Basic
Principles of Magnetic Resonance Tomography
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94
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EDUCATION IN ELECTRONICS
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Mechkov C., Heuristic
Presentation of the Negative Feedback Principle
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102
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Mechkov C., Heuristic
Methods for Converting Passive Analogue Devices Into Negative Feedback Active
Circuits
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109
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Grigorova D., L.Slavianova, Multimedia
in Foreign Language Teaching
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116
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Frenski A., St.Stefanova, L.Stoyanova, Education
Modern Technologies
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122
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Ilarionov R., A
Computer System for Studying HP-GL and Controlling HP-Plotters
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128
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MICROELECTRONICS
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Ivanchev T., P.Philippov, H.Thust, T.Thelemann, Trimming
Technology of a Thick Film Resistors by the Pulse Voltage Method
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132
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Ivanchev T., P.Philippov, H.Thust, T.Thelemann, Mechanism
of Resistance Change by High Voltage Trimming Pulses
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138
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Videkov V., R.Arnaudov, Effectivity
of Automatic Power Supply of Microwave Field Effect Transistors
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144
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Videcov V., T.Savov, Thermovision
Investigation of Thermal Electronic Circuit Loading
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149
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Videcov V., E.Kozarova, Application
of Metal Masks for the Production of Micromechanical Elements
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154
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Ivantcheva V., Thermodinamic
Analysis of Implementing Quadruple Compounds In1-xGxAsyP1-y
on InP Base with Gas Epitaxy
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159
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Bogdanov S., M.Rassovska, Investigation
of the Gas Flow in the RIE Chamber on the Etch Rate and the Etch Homogenate
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165
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Bogdanov S., M.Rassovska, Reactive
Ion Etching of Silicon in Different Gas Ambient
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171
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Rassovska M., P.Philipov, Bogdanov S., Dielectric
Layers used in the Technology of AC Plasma Displays
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176
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