SEMCEI Catalogue No. 5TH-INCEMIC

Society of EMC Engineers India

Proceedings of

the International Conference on

ELECTROMAGNETIC INTERFERENCE AND

COMPATIBILITY '97

3 - 5 December, 1997HYDERABAD, INDIA

ISBN : 81-900652-0-3 (Softbound Edition)0-7803-4170-8 (Microfiche Edition)

IEEE Catalogue No. 97TH 8310

UB/TIB Hannover 89117 650 900

Copyright © 1997 : The Society of EMC Engineers India306, Avionics, Research Centre Imarat

HYDERABAD - 500 069. INDIA

CONFERENCE PAPERS

SESSION : 1A PageEMI Measurements

1A-1 Assessment of Conductive Gaskets using X-ray Fluroscence Technique 1

B.N. Prakash and L Dinesh Roy, EMC Test Centre, QA Division, Bharat

Electronics Ltd, Bangalore, India

1A-2 Shielding Effectiveness - Measurement & Analysis 3

A.K. Sharma, Sulekh Chand and Rajru Yadav, Electronics Regional Test

Laboratory (North), New Delhi, India

1A-3 Test Methodology for the EMI Evaluation of Telephones and Review of 7

TEC Standard No.S/EMI-01/01. Oct 94.

K. Sridhar, G. Abdul Latheef and S. Karunakaran, SAMEER- Center for

Electromagnetics, 2nd Cross Road, C.I.T Campus, Taramani, Chennai. India

1A-4 Automation of MIL-STD-RS Tests 11

M.S. Aujla and S.K. PHlai, Army Centre for Electromagnetics, Mhow, India.

1A-5 S-Llne : A Newly Developed TEM Waveguide for EMC Measurements 15

Klaus-Dieter Gbpel, Rohde & Schwarz, Munich, Germany

1A-6 Error Free EMI Measurements and its Concepts 21

K. Rajeswara Rao and K. Suryanarayana, EMI/EMC Centre, Research Centre

Imarat, Vignyanakancha PO, Hyderabad, India

1A-7 Characterisation of a GHz Transverse Electromagnetic (GTEM) Cell 31

D.C. Pande and P.K. Bhatt, Electronics & Radar Development Establishment,

C.V. Raman Nagar, Bangalore, India

SESSION : 1BEMI in Communication

391B-1 Performance of BPSK Signalling over Bandwidth Constraint Channels

in the Presence of EMI

Rameshwar Rao and R.S. Sarma, Department of Electronics &

Communication Engineering, Osmania University, Hyderabad, India 41

1B-2 Optimum Receiver for MSK Signalling in the Presence of EMI

Rameshwar Rao and R.S. Sarma, Department of Electronics &

Communication Engineering, Osmania University, Hyderabad, India 45

1B-3 Protection Mechanism for Modern Telecommunications

Vithal N. Kamat, Baroda Electric Meters Ltd., Anand-Sojitra Road, Vithal

Udyognagar, Gujarat, India

(xvii)

Page1B-4 Bistatic Microwave Remote Sensing of Kidney Bean at 9.89 GHz 51

R. Prasad, S.K. Sharma and K.P. Singh, Remote Sensing Laboratory,

Department of Electronics Engineering, Institute of Technology, Banaras Hindu

University, Varanasi, India

1B-5 Optimum Dwell Time Determination for RF Immunity Test 57

A.N. Vinod, C. Subramanian and Sisir K. Das, SAMEER-Centre for

Electromagnetics, II Cross Road, CIT Campus, Taramani, Chennai, India

1B-6 EMI Susceptibility Assessment of Satcom Terminal 61

Virendra Kumar and S.K. Tyagi, Defence Electronics Applications Laboratory,

Dehradun, India

SESSION : 2ATest Facility

2A-1 Hexad Loop (H-Loop) Antenna in Front of 60° Corner Reflector for EMC 65

Measurement

RK. Saha*, N.M. Alam Chowdhury* and Z. Alarrf, • Department of Electrical

and Electronic Engineering, Bangladesh University of Engineering and

Technology (BUET), Dhaka, Bangladesh; * Bangladesh Institute of Technology

(BIT), Dhaka, Gazipur, Bangladesh.

2A-2 Good Grounding for Building Installation - A Case Study 71

A. Sathyanarayanan, A.K. Chawia and Sulekh Chand, Electronics Regional

Test Laboratory (North), S-Block, Okhla Indl. Area, Phase-ll, New Delhi ,

India

2A-3 Anechoic Chamber Related Issues for Very Large Automated Planar 75

Near Field Range

S. Christopher, Aruna Rao, Suma Varughese and M.S. Easwaran, Electronics

and Radar Development Establishment, Bangalore, India

2A-4 EMC Problem in the Republic of Belarus 83

Vladimir P. Zouev and Alexander A. Viskushenko, Planar Scientific &

Production Amalgamation, 2 Partizanski ave., Minsk, Republic of Belarus

(xviii)

SESSION : 2B p a g e

Software for EMC

2B-1 Expert System using Electromagnetic Interference and Electromagnetic 87

Compatibility Based Criteria for Ship Design, Weapon Selection and

Evaluation

Manoj Tayal and Vikram Waman Karve, Institute of Armament Technology,

Pune, India

2B-2 Computer-aided Nonlinear Simulation at the System Level 93

Sergey L Loyka and Vladimir I. Mordachev, Belorussian State University of

Informatics & Radioelectronics, P. Brovki Str., 6, Minsk, Republic of Belarus

2B-3 Automated Double Frequency Test System 99

V.I. Mordachev, Belorussian State University of Informatics & Radioelectronics,

P. Brovki Street, 6, Minsk, Republic of Belarus

SESSION : 3AEMC Standards

3A-1 Need for EMC Standards in India 105

N.K. Sharma, Army Centre for Electromagnetics, Mhow (MP), India

3A-2 The European EMC Directive in the Light of CE Marking 109

V.K. Dhar and T.Y. Takpere, Electronics Regional Test Laboratory (West),

Dept. of Electronics, STQC Directorate, MIDC Area, Andheri (East),

Mumbai, India

3A-3 EMC Compliance Certification Scheme in India 115

A. Sathyanarayana and U.K. Nandwani, STQC Directorate, Department of

Electronics, New Delhi, India

3A-4 European Union's EMC Directive - An Overview of Implementation 121

Problems during 1996

G.K. Deb, Electronic Research & Development Centre of India, Webel Bhavan,

Block EP &GP, Sector V, Bidhannagar, Calcutta, India

3A-5 Our Approach to EMI Standards. Where We Are ? Where Do We Go ? 123

Keta Meera Sahebu, Electronics and Radar Development Establishment,

Bangalore, India

3A-6 Harmonization of International EMC Standards 127

K.V.K. Sampath, C. Subramanian and Sisir K. Das, SAMEER-Centre for

Electromagnetics, 2nd Cross Road, CIT Campus, Taramani, Chennai, India

(xix)

Page

3A-7 The Role of EMI / EMC Testing in the Development of Aerospace Systems 133

Rajendra Prasad, Directorate of Reliability & Quality Assurance, Research

Centre Imarat (RCI) PO., Vignyana Kancha, Hyderabad, India

3A-8 A Critique on European Union EMC Directive and its Implications 141

Ashis Sanyal, , Department of Electronics, Government of India, 6, C.G.O.

Complex, Lodhi Road, New Delhi, India

SESSION : 3BAntennas - I

3B-1 Prediction of Near Field of an Aperture Antenna having Cosine over 147

Pedestal Type of Excitation for EMI Estimation

A.L. Das*, D.R. Poddar* and B.K. Sarkar", *SAMEER-Center forElectromagnetics, Chennai, India; * Jadavpur University, Calcutta, India and

* SAMEER, Mumbai, India

3B-2 EMI Modelling of Mutual Coupling in Phased Array Synthesis 151

A. Bhattacharya and A. Chakrabarty, E.&E.C.E. Dept., I.I.T., Kharagpur, India

3B-3 Realization of Amplitude Distribution Function from Slot-fed Waveguide 155

Junctions for Desired Beams

P.M. Rao*, G.S.N. Raju*, C.S. Gutti* and G.M. Rao*, * Dept. of Electronics

& Communication Engg., A.U. College of Engg., Visakhapatnam, India and

* Dept. of Electronics & Communication Engg., GITAM College of Engg.,

Viskhapatnam, India

3B-4 Some Studies on the Generation of Broad Beams 159

K. Srinivasa Rao*, G.S.N. Raju*, K.R. Gottumukkala* , and S. Aditham**,

* Dept. of E.C.E, Sir C.R.R. College of Engineering, Eluru, India; • A.U.

College of Engineering, Visakhapatnam, India and ** INTEL Corp.,

JF1-56, OR-97006, USA

3B-5 Effect of Digital Phase Shifters on Phase Only Controlled SLS Difference 163

Patterns

P.V. Sridevi* , G.S.N. Raju* , and P. Misra**, * Dept. of Electronics &

Communication Engg., GITAM College of Engg., Visakhapatnam, India;

* Dept. of Electronics & Communication Engg., A.U. College of Engg.,

Visakhapatnam, India and ** M.M.D, Visakhapatnam, India

*> (xx)

Page3B-6 Near Field Radiation Pattern Analysis of On-Aircraft Antennas 167

using UTD

A.D. Sarma and N.S. Murthy Sarma, R&T Unit for Navigational Electronics,Osmania University, Hyderabad, India

3B-7 Shaped Beam Radiation Pattern Synthesis using Genetic Algorithm 171

N. VS. Sarma* and R. Chandrasekharam", *Dept. of Electronics andCommunication Engineering, ** Dept. of Computer Science and Engineering,Regional Engineering College Warangal, India

PLENARY SESSION : PS IIndia's Approach to EMC Standards and Specifications

in View of EC Directives

PS 1-1 European Council Directive on EMC, the Latest Guidelines on the 175

Application hereto, the Standards to be Applied and its Enforcement in

the European Economic Area, Especially in Germany

Karl-Otto Muller, Rohde & Schwarz, Munich, Germany

PS I-2 Strategy for Adopting European Norms and CE Marking for Export of 181

Indian Products

Sisir K. Das, SAMEER - Centre for Electromagnetics, 2nd Cross Road,

C.I.T. Campus, Taramani, Chennai, India

PS 1-3 An Overview of European Norms and Specifications with Requirements 189

of CE Certification and Implications

Ashis Sanyal, Department of Electronics, Government of India, 6, CGO

Complex, Lodhi Road, New Delhi, India

SESSION : 4APrediction and Analysis

4A-1 Simulated Quantitative Assessment of EMI / EMC using Programmable 203

DRFM System

Y.S.N. Murthy, Engineering Staff College of India, Visvesvaraya Bhavan,

Khairatabad, Hyderabad, India

4A-2 EMC Design and Analysis of Six Port Dual Polariser 205

Ghanashyam Sahoo and Ajay Chakrabarty, Department of Electronics &

Electrical Communication Engineering, Indian Institute of Technology,

Kharagpur, India

(xxi)

Page

4A-3 EMI Evaluation and Hardening • A Systems Approach 209

Bhudeb Chakravarti, EMI/EMC Centre, Research Centre Imarat,

Vignyanakancha, Hyderabad, India

4A-4 Electromagnetic Interference Impact on Communication Tests 213

A.K. Ghose and G.K. Deb, Electronic Research & Development Centre of

India, Webel Bhavan, Block EP&GP, Sector V, Bidhannagar,

Calcutta, India

4A-5 Use of Genetic Algorithm as Optimisation Tool in Reducing EMI 2 1 7

G.S. Mani, Institute of Armament Technology, Pune, India

4A-6 Impact of Ultra Wide Band Radar (UWBR) Systems in EMC Scenario 2 2 1

D.C. Pande and G.M. Cleetus, Electronics & Radar Development

Establishment, C.V. Raman Nagar, Bangalore, India

SESSION : 4BAntennas - II

4B-1 Near Field Distribution of an Aperture Antenna Having Triangular Type 229

Tapered Aperture Illumination for EMI Estimation

A.L. Das* , DR. Poddar* , and B.K. Sarkar' , *SAMEER - Center for

Electromagnetics, Chennai, India; * Jadavpur University, Calcutta, India and

** SAMEER, Mumbai, India

4B-2 Capacitive Model of Multiple Conducting Bodies in Free Space for 233

EMI / ESD Estimation

Chaitali Chakrabarty* and Ajay Chakrabarty"

* Department of E&TC, Jadavpur University, Calcutta, India and

** Department of E&ECE, IIT, Kharagur, India

4B-3 Finite-width Effect of an Image Plane in Suppressing Electromagnetic 237

Radiation from a Long Strip

N. Sudarshan Rao, Department of Electronics and Communication

Engineering, Osmania University, Hyderabad, India

4B-4 Comparative Studies of Near Field Distributions of Solid and Hollow 241

Dielectric Diagonal Horn Antennas

V.N. Tiwari, T. Tiwari and R.K. Jha, Department of Electronics Engineering,

Institute of Technology, Banaras Hindu University, Varanasi, India

4B-5 Comparative Studies of Radiation Patterns of Solid and Hollow Dielectric 245

Diagonal Horn Antennas

T. Tiwari and V.N. Tiwari, Department of Electronics Engineering, Institute of

Technology, Banaras Hindu University, Varanasi, India

(xxii)

Page4B-6 Intercomparison Study of Dipole Antenna for EMI Testing 249

A. Sathyanarayanan and Sulekh Chand, Electronics Regional Test Laboratory

(North), S Block, Okhla Indl. Area, Phase II, New Delhi. India

SESSION : 5ACase Studies - I

5A-1 Measurement of Antenna Factor - A Case Study 253

N.K. Agarwal and K.R. Venkataramani, Vikram Sarabhai Space Centre,

Trivandrum, India

5A-2 EMI Evaluation and Hardening of DC-DC Converters - A Prime Source 259

for High Conducted Noise

Devender, Bhudeb Chakravarti, Shanta Sarvade and K. Nageswara Rao,

EMI/EMC Centre, Research Centre Imarat, Vignayanakancha,Hyderabad, India

5A-3 Analysis and EMI Hardening of Subsystems in an Indigenously 265

Developed Airborne Vehicle - A Case Study

K. Rajeswara Rao, K. Suryanarayana and K. Nageswara Rao, EMI / EMC

Centre, Research Centre Imarat, Vignayanakancha, Hyderabad, India

SESSION : 5BEMI in Health and Medical Electronics

5B-1 Comet Assay to Evaluate DNA Damage Caused by Magnetic Fields 273

Y.R. Ahuja', Anshu Bhargava2, Safia Sircar2, Wasia Rizwani.2, Shakira

Lima 2, A.M. Devadas3 and S.C. Bhargava.4, 1. Genetic Unit, Bhagwan Mahavir

Medical Research Centre, 10-1-1, Mahavir Marg, A.C. Guards, Hyderabad,

India; 2. St. Ann's College fa Women, Mehdipatnam, Hyderabad, India;

3. A1/37, Mayuri Apartments, Begumpet, Hyderabad, India and 4. BHEL.,

Corporate R&D, Vikas Nagar, Hyderabad, India

5B-2 Electromagnetic Interference Problems in Electrocardiograph Recording 277

- A Case Study

T.K. Mitra, Measurements and Instrumentation, Department of Applied

Physics, Calcutta University, Calcutta, India

(xxiii)

Page5B-3 A Review of the Effects of Non-ionizing Electromagnetic Radiation on 279

Human Body and Exposure Standards

S. Mukhopadhyay and Ashis Sanyal, Department of Electronics, Electronics

Niketan, 6, C.G.O. Complex, Lodhi Road, New Delhi, India

5B-4 Biological Effects of EMI From Domestic Appliance 289

N.P Francis, Army Centre for Electromagnetics, Mhow (MP), India

SESSION : 6ACase Studies - II

6A-1 EMC for Range System Deployment 295

G.R. Panda, Interim Test Range, DRDO, Chandipur, Orissa, India

6A-2 EMI Problems Encountered During Design & Development of an 299

Indigenously Developed Airborne Vehicle - A Case Study

K. Suryanarayana and K. Rajeswara Rao, EMI / EMC Centre, Research

Centre Imarat, Vignayanakancha, Hyderabad, India

6A-3 Electromagnetic Interference on a Transponder due to UHF Set Onboard 303

a Helicopter • A Case Study

S.R. Ramsamy C.G. Balaji, M. Gangadhara and S.B. Gayen, Research

Centre Imarat, Vignayanakancha, Hyderabad, India

6A-4 Bus-Hog Problem in Drives System - Cause and Remedy 307

V.P. Verma, VS. Sankara Narayanan and R. Manivannan, Electronics Division,

Bharat Heavy Electricals Limited, Mysore Road, Bangalore, India

6A-5 Low EMI Design of a Microprocessor Based Password Access Control 311

System - A Case Study

S. Kundu, G.K. Deb, S. Sengupta and U.K Saha, Electronic Research &

Development Centre of India, Webel Bhavan, Block EP&GP, Sector V,

Bidhannagar, Calcutta, India

6A-6 Metal Oxide Varistors as Surge Suppressors 315

V.P Rabde, Philips India Ltd, B G Components, Pune, India

6A-7 A Case History of EMI Problems of an Optoelectronic Stabilized Sight 321

S. Satyamurthy S. Savithri, Rita Nirmala, A. Devarpiran and A. Ravichandran,

Combat Vehicles Research and Development Establishment, Avadi,

Chennai, India

6A-8 EMI Hardening of Electronic Control Equipment to Meet Military Standard 329

(A Case Study)

K.L. Viswanathan, Electronic Controls, Larsen & Toubro Limited,

Mumbai, India

(xxiv)

SESSION : 6B PageLightning, EMP and HPM

6B-1 High Power Microwave Radiation from a Vircator Device: Its Spatial 333

Power Distribution and Enhancement of E-Field by using a CoaxialCavity

G. Venugopala Rao, A.S. Paithankar, K.C. Mittal and PH. Ron, Accelerator

and Pulse Power Division, Bhabha Atomic Research Centre,Mumbai, India

6B-2 A Bounded Wave Transmission Line Type Nemp Simulator - Design, 337

Construction & Field Mapping

R.K. Rajawat, R.S. Kalaghatgi and PH. Ron, Accelerator and Pulse Power

Division, Bhabha Atomic Research Centre, Mumbai, India

6B-3 Evaulation of Coaxial Lightning Protector for VHF Antenna and its 341

Implementation in Combat TankS. Satyamurthy, A. Devarpiran, S. Savithri, Baben Joseph and P.V.

Nageswaran, Combat Vehicles Research and Development Establishment,

Avadi, Chennai, India

6B-4 Demonstrating the Reflection of an Electromagnetic Pulse from a 347

Dielectric Slab using FDTD Method

N. Sudarshan Rao* and Devender**, * Department of Electronics and

Communication Engineering Osmania University, Hyderabad, India and

** Research Centre Imarat, Vignyanakancha, Hyderabad, India

6B-5 Electronic Discharge - A Threat to Electronics Devices 353

P. Praveen Kumar Reddy M.V.S.R. Engineering College, Osmania University,

Hyderabad, India

PLENARY SESSION : PS IITest Centres in India - Their Capabilities,

Infrastructure and Future Plans

PS 11-1 EMC Measurements as per Military Standards 357

D.C. Pande, Electronics & Radar Development Establishment, C.V. Raman

Nagar, Bangalore, India

PS II-2 EMI / EMC Test Facility at Research Centre Imarat - An Overview 367

K. Nageswara Rao, K. Suryanarayana and Bhudeb Chakravarti, EMI / EMC

Centre, Research Centre Imarat, Vignyanakancha, Hyderabad,Andhra Pradesh, India

(xxv)

PagePS 11-3 EMI Test Facilities at Army Centre for Electromagnetics 373

L.K. Chopra, Army Centre for Electromagnetics, Mhow (MP), India

PS 11-4 SAMEER-Centre for Electromagnetics : An EMC Design Consultancy 379

Centre

K.R Kini, SAMEER-Center for Electromagnetics C.I.T. Campus, 2nd Cross

Road, Taramani, Chennai, India

PS 11-5 EMC Test Facilities at ERTL(N), New Delhi 383

G.C. Mandal and Arun K. Sachdeva Electronics Regional Test Laboratory

(North), Okhla Industrial Area, Phase-ll, New Delhi, India

PS 11-6 EMC Test Infrastructure at BEL, Bangalore 387

H.N. Ramakrishna and B.R. Nalini, QA Division, Bharat Electronics Ltd.,

Bangalore, India

PS 11-7 Lightning Test Facility For Light Combat Aircraft 391

P.N.A.P. Rao*, K.N. Shamanna*, and G.R. Nagabhushan", *ADA Bangalore,

India and ** HSc, Banglore, India

PS II-8 ERTL(W) Services for EMC Evaluation 395

PH. Bhave, G. Basuand T.Y. Takpere, Electronics Regional Test Laboratory

(West), Dept. of Electronics, STQC Directorate, MIDC Area, Andheri (East),

Mumbai, India

SESSION : 7AEMC Design

7A-1 On the Development of an Impulse Current Generator 401N.K. Kishore, P. Bhakta and R.K. Sharan, Department of Electrical

Engineering, NT, Kharagpur, India7A-2 Design Optimization of ZVS and ZCS Quasi-Resonant Converters for 407

EMI ReductionMadhuwanti Joshi and Vivek Agarwal, Department of Electrical Engineering,

Indian Institute of Technology, Powai, Mumbai, India7A-3 Development of Line Filter for EMP Applications 415

Satish Kumar Tyagi, Defence Electronics Applications Laboratory, Dehra Dun,

India7A-4 HF Broadband Antenna Design Considerations on Warships 421

T. Jagannath, P.P. Kulkarani and V.M. Tyagi, Naval EMC Centre,

Mumbai India7A-5 Considerations for the Employment of Off-the-Shelf Equipment in 429

Military SystemsP.P. Singh and Sanjaya Datt, Naval EMC Centre, Mumbai, India

(xxvi)

SESSION : 7B Page

Control Methodology

7B-1 EMI / EMC Control in Ultrasonic 'C Scan System Development 435

- A Case Study

N.S. Chandrasekhar and P.N.A.P. Rao, Aeronautical Development Agency,

Bangalore, India

7B-2 EMI Free Solid State Switching 439

K. Mourougayane, G. Abdul Latheef and S. Karunakaran, SAMEER - Centre

for Electromagnetics, II Cross Road, CIT Campus, Taramani, Chennai, India

7B-3 Electroless Techniques for EMI Shieldings 443

LG. Bhatgadde and S. Joseph, Advanced Centre for Research in Electronics,

Indian Institue of Technology, Powai, Mumbai, India

7B-4 RFI / EMI / Microwave Shielding Behaviour of Metallized Fabric - A 447

Theoretical Approach

Ravindra Kumar, Ashok Kumar and Devendra Kumar, Defence Laboratory,

Jodhpur (Rajasthan), India

7B-5 Suppression of Medium Wave Radio Frequency Interference on 451

Telephone Lines

A.P Sajeev, G. Abdul Latheef, S. Karunakaran and L. Punitha, SAMEER -

Centre for Electromagnetics, 2nd Cross Road, C.I.T. Campus, Taramani,

Chennai, India

7B-6 Environmental Evaluation of Radio Equipment 455

Satindar Singh, Army Centre for Electromagnetics, Mhow (MP), India

7B-7 A Review on EMI Suppression Materials 459

Devender and S.R. Ramasamy Research Centre Imarat, Vignyanakancha,

Hyderabad, India

SESSION : 8AEducation

8A-1 Undergraduate Education on Electromagnetic Compatibility - A Growing 467Necessity for a University Appraoch

Ashis Sanyal, Department of Electronics, Government of India, 6, CGO,Complex, Lodhi Road, New Delhi, India

8A-2 Shifting Paradigms in Education and their Relevance to Training in 473EMC Design

G.S. Mani, Institute of Armament Technology, Pune, India

(xxvii)