CONTENTS of PROCEEDINGS

ELECTRONICS 2006

BOOK 1     Circuits and Systems   -   ISBN 954-438-564-9

Atanasov I., E. Pencheva, Comparative Analysis on Mark-up Service Creation Languages

3

Atanasov I., Implementing Intelligent Network Services by SLPL

9

Mladenovic Vl., M. Petrovic, The Capacity of Channel of Complex BPSK-LP System

15

Ribov B., Simple Transparent Radiomodem for the 10 GHz Microwave Band

20

Pandiev I., An Enhanced Simulation Macromodel for Current-Feedback Amplifiers

26

Pandiev I., D. Stamenov, L. Donevska, Design and Simulation Testing of Selective LC-amplifiers with Active Inductors

33

Vachkov V., I. Kalchev, D. Manolev, St. Vatchkov, A. Ploskova, A Signal Scheme for Processes Simulation in ²/²² – Stage Rubber Mixing Rooms in Event Program Environment

41

Tsenov G., S. Terzieva, V. Mladenov, Modeling and Implementation of First Order Sigma-Delta Modulator

47

Manolov E., M. Hristov, Practical Examination of Relationships Between Design and Performance Parameters of CMOS Amplifiers

53

Koparanov F., E. Manolov, M. Tzanov, Design of FPAA Sinewave Oscillator Based on Van der Paul Equation

59

Tzanov M., E. Manolov, F. Koparanov, Sigma-Delta Modulator Prototyping Using FPAA

65

Plotnikov P., CAD Subsystem for Design of Effective Digital Filters in FPGA

71

Mosin S., V. Kuharuk, Econometric Model of Using the Design-for-Testability Approach for Mixed-Signal Electronic Circuits

77

Kaligina L., D. Kozlov, A. Kozlov,   An Approach to Selection of Antinoise Coding Technique

83

Froloshki H., E. Pencheva, Mapping of Generic Open Interfaces to Network Protocols

88

Spalevic P., M. Petrovic, S. Stanojcic, I. Petrovic, B. Milosevic, Statistical Characteristics of the First – and Second Order PMD of Paper

94

Marcu I., S. Halunga, O.Fratu, Turbocoding Performances on Fading Channels

100

Crăciun F., O. Fratu, S. Halunga-Fratu, Average Power – Delay Profiles in Short-Range UWB Transmissions

106

Halunga-Fratu S., O. Fratu, Multiuser Detection Algorithms

112

Ionescu M., S. Halunga, O. Fratu, Performances of RAKE Reception of DS-CDMA Signals with Maximal Ratio and Equal Gain Combining in Rayleigh Fading

119

Kuncheva A., D. Nikolov,  M. Hristov, Designing DSP Algorithm with the Virtex-4 XtremeDSP Slice

125

Tenev D., Effective Usage of Data Intensive Sensors in Grid Environment

131

Gadjeva E.,  Vl. Durev, Behavioral Modeling and Simulation of Spiral Inductors with Ansoft  Simplorer

137

Gadjeva E., Z.Garmev, Parameterized Tolerance Models of Switched-Capacitor Circuits

143

Jordanova L., V. Topchiev, Research of the Characteristics of an Optical Channel of HFC CATV Systems

149

Stefanova S., State Space Modeling of 2-D Recursive Digital Filters

155

Merkutov Al., A. Cislav, Methodology of the Multi-mode Digital Receiver Design by Using CAD’s Tools

161

Angelov G., K. Asparuhova, MOSFET Simulation Using Matlab Implementation of the EKV Model

167

Skorpil Vl., J. Stastny, Neural Networks and Back Propagation Algorithm

173

Vassilev V., Parvanov Sv., V. Vachkov, Methodology for Calculation of a Microwave Switching Diode with PIN Structure

178

Heidary A., G. Wang, G.C.M. Meijer, Development and Investigation of a Switched-Capacitor Instrumentation Amplifier with Dynamic-Element-Matching Feedback

183

Craciun A., D. Ungureanu, D. Kristaly, Methods for Computing Harmonic Distortion in Low Frequency Power Amplifier

189

Nicolae G., A.Craciun, S. Sintea, Programmable System for Controlling the Television Programs Transmission

195

 

 

BOOK 2    Technologies in Electronics, Microelectronics, Power Electronics, Quantum and Nuclear Electronics     -       ISBN 954-438-565-7

 

Roumenin Ch., S. Lozanova, A Novel Offset Reduction Method Using a Two – outputs Silicon Parallel-field Hall Device

3

Kuharuk V., S. Mosin, S. Fyodorov, Design Flow of Custom Integrated Circuits Using Mentor Graphics CAD Tools

9

Prasek J., M. Adamek, Novel Device for Thick-Film Electrochemical Sensors and Biosensors Measurement

15

Prokop R., Vl. Musil, Building Blocks for Modern Active Components Design

21

Prokop R., P. Novak, Vl. Musil, Bulk Driven Offset Compensation for Continuous Time OpAmp Operation

26

 

Petkov I., D. Pukneva, M. Hristov, Design and Analysis of Symmetrical Spiral Inductors for RFIC

30

Yordanov N., Sv. Andreev, F. Ivanova, R. Arnaudov, Electrochemical Formation of Three-dimensional Golden Microcontacts

36

Brusev T., P.  Goranov, M. Hristov, R. Slavov, Efficiency Investigation of Buck DC-DC Converter for RF Applications

41

Brusev T., P. Goranov, M. Hristov, Capacitors DC-DC Converters for RF Implementation

47

Dimitrov D., Dynamic Tests of Analog-to-Digital Converters

53

Hristov M., I. Rashev, D. Arabadzhiev, CMOS VCO Design

59

Antonova O., G. Angelov, V. Draganov, Class E Power Amplifier for Bluetooth Applications

65

Andonova A., N. Kafadarova, G. Pavlov, Investigation of the Effective Thermal Conductivity of PCB

71

Mashkov P., T. Pencheva, D. Popov, B. Gyoch, Equipment and Method for Lead Free Soldering of SMDs

77

Strijkova V., I. Zhivkov, E. Spassova, J. Assa, G. Danev, The Vacuum Deposition of Polyimide Layers in the Presence of an Inert Gas – Another Technological Solution for Producing Low Dielectric Constant Materials

83

Dimov D., Vl. Denishev, E. Spassova, Y. Shopov, G. Danev, Microwave Processes as a Tool for Material Engineering

89

Adamek M., J. Prasek, J. Sulc, The Firing Process Influence on TFT Sensor’s Response

94

Boiadjiev St., B. Marinov, G. Dobrikov, M. Rassovska, R. Yordanov, Ionization Chamber Based on RF Sputtered ITO Thin Films

100

Videkov V., E. MIhaylova, S. Andreev, N. Iordanov, Production of 3D Contact Structures Using the LIGA Method

104

Andreev Sv., A. Georgieva, S. Todorov, Three-dimensional Microfabrication of High-aspect-ratio Structures Using Dry Negative Photoresist

110

Vassilev V., L. Aljihmani, V. Vachkov, T. Hristova-Vasileva, Ag(I)-Ion-Selective Electrode Based on Chalcogenide Glasses

116

Shindov P., T. Anastasova, XRD, XPS and SEM Characterization of Photoconductive CdS – CdO Layers Deposited by Vacuum Thermal Evaporation

122

Andonova A., N. Dinkova, I. Marinov, Wave Soldering Quality Improvement by Design of Experiment Approach

126

Gavrovski Cv., Z. Kokolanski, FPGA Simulation of Pulse Ionizing Sensors and Analyses of Descreet-Floating Algorithm

132

Tsankov L., M. Mitev, Response of a NaI(Tl) Scintillation Detector in a Wide Temperature Interval

138

Deneva M., D. Dimitrov, M. Nenchev, Development of Original Approach for Increasing of the Maximum Peak Power in Q-Switched Quantum Electronic Generators:  Application in Ruby Laser

144

Peev R., M. Deneva, M. Nenchev, Development of a New Injection Locking Ring Laser Amplifier Using a Counter Injection: Multiwavelength Amplification

151

Raleva K., G. Shutinoski, Secondary Effects Impact on Submicron MOS Generic Wilson Current Structure

157

Palankovski V., M. Hristov, Ph. Philippov, Two-Dimensional Physical AC-Simulation of GaAs HBTs

164

Dhar S., E. Ungersböck, M. Nedjalkov, V. Palankovski, Monte Carlo Simulation of the Electron Mobility in Strained Silicon

169

Do N., K. Grenier, D. Dubic, A. Coustou, R. Plana, In IC and above IC Mems for Millimeterwave Communications

174

Bankov N., Al. Vuchev, Research of Phase-Shift Method of Resonant DC/DC Converter Power Control

181

Bankov N., Al. Vuchev, Load Characteristics and Operational Regimens at Phase-Shift Method of Power Control of Resonant DC/DC Converter

187

Popov E., L. Pindeva, Electrical Design of Single-Phase Diode Rectifiers with Active-Capacitive Load by MATLAB

193

Veselinov Vl., Possibilities of Improvement of Monitoring and Diagnostic Process of Power Electronic Devices

199

Antchev M., Ah. Zobaa, M. Petkova, Economics Reasons to Use Shunt Active Power Filters

204

Petkova M., M. Antchev, V. Gurgulicov, Computer Simulation of Series Active Power Filter

211

Yudov D., A. Dimitrov, V. Valchev, Transition Processes in a DC/DC Converter for Battery Charging

216

Krusteva A., Ts. Marinov, N. Hinov, Power Electronic Devices for Wind Turbines

222

 

BOOK 3      Embedded Systems, Electronic Medical Equipment, Education in Electronics         -      ISBN 954-438-566-5

Slavov Z., V. Hristov, Building an Universal Network Security Model

3

Karakehayov Z., N. Andersen, Z. Monov, Distributed Sensor Networks: Lifetime and Security

9

Kakanakov N., M. Shopov, Evaluating Controller Network Data Extracting Protocol for Embedded Devices

15

Karov R., A. Kostadinov, I. Dekova, I. Valkov, A. Arnaudov, Bus Based Multiprocessor System for Wind Speed Registration

21

Bencheva N., V. Tsonev, Y. Ruseva, Comparative Analysis of PIC16F87X and PIC18FXX2 Microcontrollers’ Memory Organization

27

Bencheva N., Y. Ruseva, I2C Communication between PIC18FXX2 Microcontroller and 24XX256 Serial EEPROM

33

Geshev G., E. Dimitrov, Debugging and Diagnostic of Sensors Connected in a Network Using Microcontroller MSP430

39

Spasov G., I. Stankov, G. Petrova, Wireless Real-Time Gateway (WRTG) for Embedded Devices

45

Sintea S., Inmarsat Satellite Data Communication Channel Simulator

51

Sintea S., Maritime Communication Embedded Controller

57

Sintea S., D.  Grebenisan, G. Nicolae, APAS Network Communication Solution

61

Ryabov E., Vl. Efimov, J. Hauer, Integrated ECG-Pulse Measurement Circuit with Low Power Consumption

65

Paşca S., I. Sztojanov, Microcontroller Based Pulse Generator

71

Iliev I., S.Tabakov, System for Adjustment and Test of Algorithms for ECG-data Processing

77

Dotsinsky I., Discrimination between Normal and Ectopic Beats

81

Jekova I., V. Krasteva, Noise Detection Algorithm for Automatic External Defibrillators

86

Iliev I., V. Krasteva, S. Tabakov, Real-Time Detection of Accidental Pathologic Cardiac Events in the Electrocardiogram

92

Manoilov Pl., M. Iliev, EOG Artefacts’ Duration Analysis

98

Mihov G., R. Ivanov, Ch. Levkov, Subtraction Method for Removing Powerline Interference from ECG in Case of Frequency Deviation

104

Mihov G., Investigation of the Linearity Criterion Used by the Subtraction Method for Removing Powerline Interference from ECG

110

Bujdei C., St. Dan, A. Pelcz, Wireless Sensor Networks Used for Patient Monitoring

116

Videkov V., T. Djamiykov, R. Radonov, A New Approach to Conducting Educational Tests in a Web Environment

120

Huczala M., J. Kacalek, Simulating Quality of Services Models

126

Tokmakov D., N. Mileva, M. Milev, MySQL Database Synchronization Software for the Needs of Distributed Internet Performance Support Environment for Individualized Learning (DIPSEIL)

130

Furnadziev I., V. Tchoumatchenko, T. Vasileva,  D. Tenev, Web Based Software for Semiconductor Devices Lab Measurement System

136

Furnadziev I., V. Tchoumatchenko, T. Vasileva,  D. Tenev, Computer Based Measurement Systems for Semiconductor Devices Labs

142

Tchoumatchenko V., A. Scapolla, T. Vasileva, I. Furnadhziev, A. Poggi, Architecture of Knowledge Artifact Tool Aiming to Support Collaborative Knowledge Creation

147

Stefanova S., L. Stoyanova, L. Chorbadjiev, S. Petkov, Development of the E-learning System for the Technology School “Electronic Systems” Associated with the Technical University of Sofia

154

Stoyanova L., The Learning Process Management in the E-learning Environment in the Technology School “Electronic Systems” Associated with the Technical University of Sofia

160

Bujdei C., Learning Objects Prepared for Mobile Devices

165

Bujdei C., S. Moraru, F. Sisak, System for PhD Students Information Storing and Control

170

Rasnoveanu C., Evaluation of the Learning Process and School Performance

176

Rasnoveanu C., S. Moraru, L. Perniu, Risk Management in Educational Projects

180

Moraru S., C. Bujdei, D. Ungureanu, M-Learning Integrated Software System for Learning Management Using Courses and Laboratories Accessible via Mobile Communication Devices

185

Perniu L., C. Rasnoveanu, G. Nicolae, ELMSET Project

191

Levkov Ch., R. Arnaudova, St. Dunev, H. Bakardjian, G. Neshev, ECG Holter Systems - Development and Perspectives

196

Moraru S., A. Pelcz, I. Diaconu, D. Kristaly, C. Bujdei,  ICT Use for Remote Experiments in Electric and Electronic Domain

201

 

BOOK 4      Electronic Systems in Measurement and Control   -   ISBN 954-438-567-3

Komosny D., M. Simek, Service Availability Classification for Trunked Radio Network Used in Municipal Transport

3

 

Molnár K., QOS Modelling in Opnet Modeler

9

Jaksic U., Vl. Mladenovic, Sl. Bjelic, The Voltage Dependence of Control Current Symetrical Components on the Output of the Distant Current’s Sonde

15

Nilsen Ch., Vl. Mladenovic, Process Control System Using Complex Modules

21

Dimitrov D., N. Nikolov, Ts. Hristov, Methods and Devices for Monitoring and Control of Bipolar Output (Power) Transistor in Switch Mode

28

Karadzhov Ts., I. Kolev, Optically Controlled Multifunction Oscillators

35

Petkova E., I. Kolev, Valve Optocouplers

40

Stoyanov P., V. Markov, M. Mihov, G. Kiprov, Structure and Characteristics of the Space Photoreconnaissance Systems

45

Todorov D., A. Grigorov Digital Regulated Parallel Power and Current Sources for Laser Diodes Driving

51

Todorov D., A. Grigorov, High Power Laser Diode Driving Techniques

57

Stoyanov I., G. Nikolov, B. Nikolova, Design of RLC to Frequency Converter

63

Nikolov G., I. Stoyanov, B. Nikolova, RLC Measurement Using Virtual Counting Techniques

69

Nikolova B., M. Marinov, G. Nikolov, Air Quality Monitoring System

75

Shterev G., Evaluation of the Accuracy in Inclinometer Testing

81

Frantzova A., G. Mardirossian, B. Ranguelov, Remote Sensing Technologies and Instruments Used in Risk Management of Natural Hazards. Classification and Analysis.

87

Boytchev B., G. Mardirossian, Vl. Boytchev, A Device for Measuring Varicap Capacity

93

Djamiykov T., Y. Donkov, A. Rusev, Measuring Physical Dimensions with Laser Beam and Programmable Logic

99

Dzhelekarski P., D. Alexiev, Smart OBDII Interface Adapter

105

Kolev K., Apples Grading Using Video Signal Processor DM642

111

Mihov Sl., St. Jilov, Fluid Level Regulator

116

Reverter F., X. Li, G.C.M. Meijer, Characterisation of a Liquid-Level Measurement System Based on a Grounded Capacitive Sensor

122

Kristaly D., D. Ungureanu, S. Moraru, Motion Detection and Surveillance

127

Pelcz A., F. Sisak, L. Perniu, Transporting Object Oriented Data Between Distributed Applications

131

Ungureanu D., F. Sisak, I. Truican, Programming of Control Systems for Industrial Processes

137

Ungureanu D., D. Kristaly, A. Craciun, Considerations Concerning Parallel and Distributed Architecture for Intelligent Systems

143

Truican I., St. Dan, A. Pelcz, Monitoring an Industrial System Using Mobile Phone Application

149

Coman S., F. Sisak, I. Pacureanu, D. Juravle, SCADA Solutions Implemented in the Energy System

155

K. Dilov, Analysis on Choosing the Appropriate Accelerometer for Transport Vehicle Diagnostic Systems

161

Hristov M., G. Kubatev, D. Arabadzhiev, DC Motor Control Systems

167

Djamiykov T., N. Nenov, Interpolation of Green Color in Frames from CMOS Image Sensor

172

Djamiykov T., N. Nenov, Laboratory Stand for Investigation of Optoelectronic Measurement Devices with CMOS Image Sensors and Programmable Logic

177

Gebov Vl., Renewed Methods at the Improvement of the Qualitative Parameters of the Production in a Concrete Center

183

Srbinovska M., Cv. Gavrovski, RMS-DC Converters

190

Ovcharov St., P. Yakimov, N. Tuliev, E. Balkanska, D. Penev, Analysis of Possibilities for Digital Data Transfer Using Powerline

197

Ulyashyn S., St. Nihtianov, Selection of Capacitive Sensor Interface for High-precision Application

204