Verma, Prof. Anand

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Title Prof. First Name Anand Last Verma Photograph
Name
Designation Professor
Address Department of Electronic Science
South Campus, University of Delhi, New Delhi-
110021
Phone No Office 24112231- ext196

32/D-15, Sector-7, Rohini New Delhi-110085
Residence
Phone [phone]
(Home)
Email [e-mail]
Web-Page -
Educational Qualifications
Degree Institution Year
Ph.D. University of Ranchi 1983
M.Phil. / M.Tech. -
PG -
B.Tech BIT, Sindri, Ranchi University 1971
Certificate course on AIBD, Kuala Lumpur, Malaysia 1987
Training Methodology
Career Profile
1. Adjunct Professor Department of Electronics, Division of Information and Communication ,
Macquarie University, Sydney, Australia since 2008 .
1. Department of Electronic Science, South Campus, University of Delhi
Professor: 19. 2. 1988- Present
Teaching M.Tech (Microwave), M.Phil., M.Sc. (Electronics), Research Guidance.

2. Department of Electronic Science, South Campus, University of Delhi
Reader: 19. 2. 1988- Feb. 1986

Teaching M.Tech (Microwave), M.Phil., M.Sc. (Electronics), Research Guidance.

3. Doordarshan & All India Radio (Staff Training Institute)
Station Engineer & Dy. Director ( Senior Class-I): Sept. 1982 – Feb.1988
Maintenance of TV Station, Satellite Communication Project and Designing, Conducting
and Management of Technical Training Program.
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4. All India Radio
Assistant Station Engineer (Class-I, Indian Engineering Services): Aug. 1973 –Sept.1982

Project management for installation of Radio Studio, Transmitters etc. and supervision and
maintenance of broadcasting stations.
5. Bokaro Steel Ltd., Bokaro
Testing & Commissioning Engineer: Aug. 1971 –Aug.1973
Testing & Commissioning of Electric Drives and Control System of Blast

Administrative Assignments

Head, Department of Electronic Science. On Governing bodies of several colleges. Heading Technical
wing of Broadcasting stations.

Areas of Interest / Specialization

 Planar Passive Microwave & mm - Wave Components
 Planar Microwave Antenna
 Microwave Computer Aided Design
 Numerical Techniques in Electromagnetic Theory

Subjects Taught

Theory Courses: M. Tech. ( Microwave )
 Microwave Measurement
 Microwave & mm - Wave Components
 Microwave Antenna
 Microwave Computer Aided Design

M. Sc. Electronic Science

 Communication Engineering ( Analog)
 Antenna and Radio wave Propagation

Laboratory For M. Tech.
 Microwave Laboratory
 Microwave CAD Laboratory

Research Guidance

List against each head (If applicable)
1. Supervision of awarded Doctoral Thesis-7
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2. Supervision of Doctoral Thesis, under progress-4

Publications Profile

1. Research papers published in Refereed/Peer Reviewed Journals

1. Verma, A.K. and Saha, A.L., 1980. Multielement Legendre Coupler. JIETE (India) Vol.5
2. Verma, A.K. and Saha, A.L, 1984 . Semicircular Resonant Cavity Type H Rectangular Mode to H
10 01
Circular mode Transducer. JIETE (India), Vol.35
3. Verma, A.K. and Saha, A.L, 1987. A Wheel Type Channel Dropping Filter. JIETE (India) Review,
Vol.3
4. Verma, A.K. Bhupal,A., Rostamy, Z. and Srivastava, G.P . 1991. Analysis of covered Microstrip
Rectangular Patch Antenna. IEICE (Japan) Trans, Vol 74, No. 20
5. Verma, A.K.and Rostamy, Z. . 1991. Modified Wolff Model for Resonance Frequency of covered
rectangular patch antenna. Electronic Letters, Vol 74, No 20: 1850-1852
6. Verma, A.K.and Rostamy, Z. 1991 .Modified Wolff Model for determination of Resonance Frequency
of covered circular microstrip patch antenna. Electronic Letters, No 24: 2234- 2236
7. Verma, A. K. and Sadr, G.H. . 1992. Unified Dispersion Model for multilayer microstrip line. IEEE
Transaction Microwave Theory Tech, MTT-40, No. 7
8. Verma, A.K.and Rostamy, Z. . 1993. Resonant frequency of uncovered/ covered rectangular microstrip
patch using MWM. IEEE Transaction. Microwave, Theory Tech. Vol.41, No.1
9. Verma, A.K, Kumar, R.and Sadr, G.H. . 1993. Pulse Propagation on multilayer microstrip line. IEEE
Sym. on Microwave Theory Tech.
10. Verma, A.K.and Sadr, G.H. 1994 . Determination of open-end Discontinuity and Resonance
Frequency of suspended microstrip using SLR technique. Microwave Optical Tech. Letters
11. Verma, A.K.and Rostamy, Z. . 1995. Resonant frequency of shielded rectangular and circular patch
resonators. International Journal of Microwave MM wave CAD Engineering
12. Verma, A.K.and Rostamy, Z. . 1995. Static Capacitance of Some Multilayered Microstrip patch
Capacitors. IEEE Transaction. Microwave Theory Tech., No.5

13. Verma, A.K.and Kumar, R. . 1996. Empirical formula for frequency dependent effective permittivity
of shielded microstrip lines. Microwave Optical, Tech. Letters, June
14. Verma, A.K. and Kumar, R. . 1996. Closed-form dispersion expression for shielded microstrip for
mm-wave line applications. Electronic Letters, Vol.32, No.15, July.
15. Verma, A.K. and Kumar, R. . 1996. A closed-form dispersion model for mm-wave suspended
microstrip line. Microwave optical Tech. Letters, Vol.14, No.1, Jan.
16. Verma, A.K, Sharma, M.and Kumar, R. . 1997. Closed-form expression for accurate determination of
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capacitance and effective radius of microstrip circular disk. Microwave Optical Tech. Letters, March
17. Closed form dispersion model for Composite/Suspended Substrate Microstrip Line, Verma, A.K.and
Kumar, R., Microwave Optical Tech. Letter, November, 1997
18. Verma, A.K, Kumar, R. . 1997. A new Dispersion model for microstrip line. Trans. Microwave
Theory Tech., August
19. Verma, A.K, Kumar, R. . 1998. A new Unified dispersion model for suspended, shielded and
composite microstrip line. IEEE Trans. Microwave Theory Tech. August,
20. Verma, A.K.and Bhupal, A. . 1998. Dielectric Loss of Multilayer Microstrip Line. Microwave Optical
Tech. Letters, March
21. Verma, A.K.and Kumar, R. . 1998. Distortion in Gausssian pulse on Microstrip-Like Transmission
Line. Microwave Optical Tech. Letters, April
22. Verma, A.K.and Bhupal, A. . 1998. Conductor Loss of Multilayer Microstrip Line Using the SLR
Formulation. Microwave Optical Tech. Letters, September
23. Verma, A.K. and Bhupal, A. . 1998. Analysis of Multimayer Microstrip Line Slow Wave Structure
Using the SLR Formulation, Microwave Optical Tech.Letters, Oct.
24. Verma, A.K.and Bhupal, A. . 1998. Resonance Frequency of Anisotropic Multilayer Rectangular
Microstrip Patch Using MWM. Verma. Electronic Letters, Vol.34, No. 4, February: 323-325
25. Verma, A.K.and Sharma, E. K. . 1999. Analysis of Optically Controlled microstrip slow wave
structures. Proc. SPIE.
26. Verma Y. K. and Verma , A. K. . 2000. Determination of Dielectric constant of Substrate Using
MWM. IEEE Sym. on Microwave Theory Tech., June

27. Verma A. K. , Nasimuddin . 2001. Quasi-static RLCG parameters of lossy microstrip line for CAD
application. Microwave Optical Tech.Letters, Feb.
28. Verma A. K. , Nasimuddin . 2001. Propagation characteristics of Schottky contact slow wave
microstrip line, A. K. Verma and Nasimuddin .Microwave Optical Tech.Letters, June.
29. Verma A. K. , Nasimuddin . 2001. Propagation characteristics of Schottky contact suspended slow-
wave microstrip line. IEEE Microwave & Wireless Components Letters, Vol.11, No.9 : 385-387.
30. Dielectric loss of multilayer coupled microstrip line, A. K. Verma and Nasimuddin. Microwave
Optical Tech.Letters, October, 2001.
31. Bhaduria A., Sharma E. K., and Verma A.K. . 2001. Equivanent transmission line model for optically
controlled microstrip slow wave structures. Microwave Optical Tech. Letters, Vol.31, No.4: 292-298.
32. Verma A. K. , Nasimuddin . 2001. Resonance frequency of rectangular microstrip antenna on thick
substrate. Electronic Letters, No 23, Nov
33. Verma A. K. , Nasimuddin . 2001. Input impedance of rectangular microstrip patch antenna with
ISO/ Anisotropic substrate-superstrate. IEEE Microwave & Wireless Components Letters, Vol.11, No.11,
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November .
34. Verma A. K. , Nasimuddin . 2001. Input impedance of probe fed mutilayer rectangular microstrip
patch antenna using MWM,. Microwave Optical Tech. Letters, Vol November .
35. Verma A. K. , Nasimuddin . 2002. Resonance frequency and bandwidth of rectangular microstrip
antenna on thick substrate. IEEE Microwave & Wireless Components Letters, February
36. Verma A. K. , Nasimuddin . 2002. Analysis of Circular Microstrip Antennas on Low and High
Relative Permittivity Substrates. Microwave Optical Tech. Letters, Vol, July.

37. Verma A. K. , Nasimuddin . 2002. Propagation characteristics of suspended MIS coupled slow-
wave microstrip line. Microwave Optical Tech. Letters Vol. September,
38. Verma A. K. , Nasimuddin . 2002. Determination of Dielectric Constant and Loss-Tangent Substrate
Sheet Using Microstrip Patch Resonator. Microwave Optical Tech. Letters, Vol.5, Nov.

39. Verma A. K. , Nasimuddin . 2002. Analysis of Circular Microstrip Antennas on thick substrate.
Journal of Microwave and Optoelectronics, vol. 5, no. 1, July .

40. Verma A. K. , Nasimuddin . 2002. Simple expressions for directivity of circular microstrip antenna.
IEEE Antennas and Propagation Magazine, Vol.44, No.5: 91-95.
41 Verma A. K. , Nasimuddin . 2003. Analysis of Circular Microstrip Patch Antenna as an Equivalent
Rectangular Microstrip Patch Antenna on Iso/Anisotropic Thick Substrate. IEE Proc. Microwave,
Antenna and Propagation, Vol.150, No.4: 223-229.
42 Verma A. K. , Nasimuddin . 2003. Accurate Determination of Input Parameters of Rectangular
Microstrip Patch Antennaon Thick Substrate and Comparison Of Several Models. J. Electromagnectics,
Vol. 23, No 3: 253 – 276
43. Verma A. K. , Nasimuddin . 2003. Nondestructive Measurement of Complex Permittivity of Sheet
Material. Microwave and Optical Technology Letters (U.S.A.), Vol.36, No.6, March .
44. Rahman A. A. , Verma A. K., and Omar A.S. . 2003. High gain wideband compact microstrip antenna
with quasi-planner surface mount horn. IEEE MTT (S)-June
45. Verma A. K. , Nasimuddin, Omar A.S. . 2003. Accurate Expressions for Directivity of Circular
Microstrip Antenna on Suspended and Composite Substrate. Microwave Optical Tech. Letters, Vol. July.
5 .
46. Verma A. K. , Nasimuddin . 2003. Determination of Conductor Loss of Multilayer Coupled
Microstrip Lines for CAD Application. Microwave Optical Tech. Letters, Vol. Sept.
47. Bhaduria A., Nasimmuddin, Verma A. K., Sharma E. K. and Singh B. R. . 2003. Optically controlled
microstrip load and stub on silicon substrate”, , Microwave Optical Tech. Letters, Vol.39, November
48. Rahman A. A. , Verma A. K., Boutejdar A. and Omar A.S. . 2004. Control of bandstop response of
Hi-Lo microstrip lowpass filter using slot in ground planeIEEE Trans. Microwave Theory Tech. Vol.52,
No.3, March.
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49. Rahman A. A. , Verma A. K., Boutejdar A. and Omar A.S. . 2004. Compact stub type microstrip
bandpass filter using defected ground plane. IEEE Microwave & Wireless Components Letters, April
50. Verma A. K. , Nasimuddin . 2004. Multilayer cavity model for microstrip Rectangular and Circular
Patch Antenna. Electromagnectics, Vol. 23, No 3, April
51 Verma A. K. , Nasimuddin, Sharma E.K. . 2004. Analysis and circuit model of multilayer
semiconductor slow-wave microstrip line. IEE Proc. Microwave, Antenna and Propagation, Oct

52. Verma A. K. , Nasimuddin, Omar A.S. . 2005. Microstrip resonator sensors for determination of
complex permittivity of materials in sheet, liquid and paste forms. IEE Proc. Microwave, Antenna and
Propagation, Feb. Vol. 151, No. 1: 47-54
53. Nasimuddin, Esselle Karu and Verma A. K. .2005. Fast and accurate model for circular microstrip
antennas on suspended and composite substrates. IEEE Trans. Antenna & Propagation . vol. 53, no. 9,
September: 3097-3100.
54. Nasimuddin, Esselle Karu and Verma A. K. .2005. Resonance frequency of an Equilateral triangular
microstrip antenna. Microwave and Optical Technology Letters, vol. 47, no. 5, December, : 485-489.
55. Nasimuddin, Esselle Karu and Verma A. K. .2007. Wideband Circularly Polarized Stacked
Microstrip Antennas. IEEE Antennas and Wireless Propagation Letters, Vol. 6: 21-24

56. Nasimuddin, Esselle Karu and Verma A. K. .2007. Optimizing the Coaxial-Feed Location to Enhance
Circular Polarization Bandwidth of Stacked Microstrip Antennas. Microwave and Optical Tech. Letters,
Vol. 49, No. 1, January : pp. 132-135.

57. Nasimuddin, Esselle Karu and Verma A. K. .2008. Wideband High-Gain Circularly Polarized Stacked
Microstrip Antennas with an Optimized C-Type Feed and a Short Horn. IEEE Transactions on Antennas
and Propagation, Vol 56, No. 2,February: 578-581

58. Verma A. K., Singh Himanshu. 2009. Circuit Model of Microstrip Step Discontinuity”, International
Journal of Microwave and Optical Technology, Vol. 4, No. 2, March: 76-82.

59. Verma A. K., Awasthi Y.K., Singh Himanshu. 2009. Closed-form Model of W/h- Dependent
Equivalent Isotropic Relative Permittivity of Microstrip on Multilayer Anisotropic Substrate.
International Journal of Microwave and Optical Technology, Vol. 4, No. 2, March: 107-114.

60. Singh Himanshu, Verma A. K., Awasthi Y.K. .2009. Circuit model of multilayer microstrip step
discontinuity using SLR formulation”, International Journal of Electromagnetics, Vol. 29, No. 6, July:
483-498.

61. Verma A. K., Awasthi Y.K., Singh Himanshu. 2009. Equivalent Isotropic Relative Permittivity of
Microstrip on Multilayer Anisotropic Substrate. International Journal of Electronics, Vol. 96, No .8,
August: 865-875.

62. Awasthi Y.K., Singh Himanshu, Kumar A., Singh P., Verma A. K. . 2009. Accurate CAD-Model
Analysis of Multilayer Microstrip Line on Anisotropic Substrate. Journal of Infrared, Millimeter, and
Terahertz Waves, 16 October:
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63. P. Majumdar and A.K. Verma, “Closed-form Dispersion Models for Propagation Characteristics of
Slot-line in Lossy Media with Conductor Thickness,” International Journal of Microwave and Optical
Technology, Vol.4,No.2, pp-83-89, March 2009.

64. Majumdar,P , Verma A. K.. 2010. Accurate Closed- form Model for Computation of Conductor Loss
of Coplanar Waveguide,” International Journal of RF and Microwave Computer-Aided Engineering, vol.
20, no.1January : 6-14

65. Majumdar,P , Verma A. K.. 2010. Modified Closed-form Dispersion and Losses Models of Slot-Line
with Conductor Thickness,” International Journal of Infrared, Millimeter and Terahertz Waves, vol. 31,
no.3, March: 271-287

66. Y. Ranga, Karu. P. Esselle and A. K Verma, “ Planar-Monopole-Fed, Surface-Mounted Quasi- TEM
Horn Antenna for UWB Systems”, IEEE Trans Antenna and Prop. vol 58, no.7 pp.2436-2439, July,
2010.
67. Payal Majumdar and A.K. Verma, “Accurate CAD Model of Stopping Distance to Compute
Conductor Loss of CPW,” International Journal of Electronics and Communications, AËU, Vol.64,
pp.1157-1166, December 2010.
68. Y. Ranga, Karu. P. Esselle, A. Weily and A. K Verma, “A constant gain printed circular monopole
antenna for UWB applications”, Microwave and Optical Technology Letters, vol. 52, no. 6, June 2010,
Pages: 1261-1264
69. Y. Ranga, Karu. P. Esselle and Andrew R. Weily, “Compact Ultra-Wideband CPW-Fed Printed
Semicircular Slot Antenna,” Microwave and Optical Technology Letters, vol. 52, no. 10, October
2010, Pages: 2367-2372.

70. Payal Majumdar and A.K. Verma, “CAD Models of Losses for Symmetric Elliptical and Circular
Cylindrical Coplanar Strip Lines,” Int. Journal of Electronics, Vol. 98, No. 7, pp. 863-882, July
2011.
71. Payal Majumdar and A.K. Verma, “Integrated Closed-form model and Circuit Model of Lossy Slot
line,” IET Microwaves, Antennas & Propagation, Vo.5, No.14, 2011, pp.1763-1773
72. A.K.Verma and Ashwani Kumar ,”Synthesis of Microstrip Lowpass Filter Using Defected Ground
Structures” IET Microwaves, Antennas & Propagation, 2011
73.. Payal Majumdar and A.K. Verma, “CAD Models of Losses for Symmetric Elliptical and Circular
Cylindrical Coplanar Strip Lines,” Int. Journal of Electronics, Vol. 98, No. 7, pp. 863-882, July 2011.
74. Payal Majumdar and A.K. Verma, “Integrated Closed-form model and Circuit Model of Lossy Slot
line,” IET Microwaves, Antennas & Propagation, vol. 5 ,No. 14 November 18 2011, pp. 1763-1772
75. A.K.Verma, Ashwani Kumar “Design of Low Pass Filters using Some Defected Ground Structures”,
International Journal of Electronics and Communications Elsevier, Volume 65, Issue 10, Pages 864-872,
October 2011.
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76.A.K.Verma, Ashwani Kumar, “Synthesis of Microstrip Low pass Filter Using Defected Ground
Structures”, IET Microwaves, Antennas & Propagation, Volume: 5 Issue:12, page(s): 1431 - 1439.
September 16 2011.
77. Anand K. Verma, ,Adel Abdel-Rahman, Ashwani Kumar , Nainu P. Chaudhari, Atallah Balalem and
Abbas Omar, "New Compact Dual-Band Bandstop Filter" International Journal of Electronics,Taylor &
Francis.
78. A. K. Verma, Paramjeet Singh, “Loss Computation of Multilayer Coplanar Waveguide using Single
Layer Reduction Method”, International Journal of Electromagnetics and Applications (IJEA), Vol. 2,
No. 6, November 2012, pp. 174-181.
79. 79. A.. K. Verma, Paramjeet Singh, Ritu Bansal, “Computation of Static and Frequency Dependent Line
Parameters of Multilayer CPW using Static SDA and Single Layer Reduction Method”, International
Journal of RF and Microwave Computer-Aided Engineering, (Accepted).
80. A. K. Verma, Paramjeet Singh, Ritu Bansal, “Modeling for Dispersion and Losses of Multilayer
Asymmetric CPW on Iso/Anisotropic Substrate”, Progress In Electromagnetics Research B (PIER-B),
Vol. 48, February 2013, pp. 395-419.
81. Anand K. Verma, Nainu P. Chaudhari, and Ashwani Kumar, „High Performance Microstrip
Transverse Resonance Lowpass Filter”, Microwave Optical Tech. Letters, Vol. 55, May 2013 .
82. Anand K. Verma, Nainu P. Chaudhari, and Ashwani Kumar, “ Improved performance step
impedance lowpass filter”, Int. J. Electron. Commun. (AEÜ) 67 (2013) 754– 760

2 a. Research papers in Conference (International)

1. Verma, A.K., Kumar S.and Rostamy, Z . 1989. Frequency adjustable suspended microstrip antenna.
International Symposium on EMC Nagoya, Japan
2. Verma, A.K., Kumar S.and Rostamy, Z . 1990. Symmetrical Beamwidth Microstrip Antenna, Verma,
A.K.,Kumar, S.and Rostamy, Z., Asia-Pacific Microwave Conference , Sept , Tokyo, Japan.
3. Verma, A.K., Kumar S.and Rostamy, Z . 1990. High efficiency suspended microstrip antenna on
GaAs. International Symposium on mm-wave & microwave, Dehradun, India.
4. Verma, A.K.and Rostamy, Z. .1992. Resonance frequency for covered rectangular Microstrip antenna.
International Symposium on EMC , May, Beijing China.
5. Verma, A.K.and Rostamy, Z. .1992. Design of cover to protect rectangular microstrip antenna against
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icing,. Int Symposium on EMC May, China, Beijing.
6. Verma, A.K.and Rostamy, Z. .1992. Effect of top shield on the resonant frequency of rectangular
patch antenna. URSI International Symposium on Electromagnetic Theory 11-13, Aug. Sydney,
Australia.
7. Verma, A.K., Bhupal, A.and Rostamy, Z. .1992 . Icing effect on dielectric cover and suspended
dielectric cover microstrip antenna,. Asia-Pacific Microwave conference, Aug, Adelaide, Australia.
8. A unified approach to determine resonance frequency of circular patch with superstrate, Verma,
A.K.and Rostamy, Z., APMC Adelaide Australia, Aug., 1992

9. Verma, A.K.and Sadr, G.H. .1992. Analysis and Synthesis of MSM and DSM line. Int EMC
Symposium, EMCS-92, 7-9 Dec, Singapore.
10 Verma, A.K.and Rostamy, Z. . 1992. Resonant frequency of covered annular microstrip antenna. Int
EMC Symposium IEMCS-92, 7-9 Dec, Singapore. \
11 Verma, A.K.and Rostamy, Z. .1992. Resonant frequency of Equilateral Triangular patch resonator
with superstrate using Modified Wolff Model. International Symposium on Antenna & Propagation
ISAP, Sept, Sapporrio, Japan.
12. Verma, A.K.and Rostamy, Z. .1992. Resonance frequency of Dielectric covered Hexagonal Patch. Int.
Symposium on Antenna & Propagation, APSYM, Cochin, India.
13. Verma, A.K.and Sadr, G.H. 1992. Extended Kirschning-Jansen Dispersion Model for shielded and
dielectric cover MSL. Int. Symposium. on Antenna & Propagation, APSYM-CUSAT, Dec., Cochin,
India,
14. Verma, A.K.and Rostamy, Z. . 1993. Determination of capacitance and Resonance Frequency of
Shielded circular Microstrip Patch using MWM. 4th Int. Symposium. on Recent Advance in Microwave
Tech, ISRAMT'93, Dec, N. Delhi, India.
15. Verma, A.K.and Kumar, R. . 1993 Control of Distortion in high speed Pulse propagation on
Microstrip line. 4th Int. Symposium on Recent Advance in MicrowaveTech, ISRAMT' 93 , Dec., New
Delhi, India.
16. Verma, A.K.and Sadr, G.H. .1993 .Characterisation of Multilayer Microstrip line Using SLR
Technique for CAD application. 4th Int. Symposium on Recent Advance in Microwave Tech, ISRAMT'
93 , Dec., New Delhi, India.
17. Verma, A.K.and Sadr, G.H. .1993.CAD Process for synthesis of multilayer microstrip line. 23rd Eu
Microwave Conference, September , Madrid, Spain.1993
18. Verma, A.K.and Rostamy, Z.,. 1993 . Determination of Resonance Frequency for suspended
Microstrip Resonator. Int Symposium on Radio Propagation ISRP' 93, Sept Beijing China.
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19. Verma, A.K.and Sadr, G.H. . 1993. Accurate calculation of Resonance Frequency of Microstrip
Antenna with Superstrate. PIERS California Institute of Technology, July 12-16, California USA.

20. Verma, A.K.and Sadr, G.H..1993. Modelling of Open Ended Multilayer Microstrip Discontinuities.
Asia-Pacific Microwave Conference APMC‟ 93, 18-21 Oct. Taiwan, China.
21. Verma, A.K.and Sadr, G.H..1993. 1993Dielectric loss of composite substrate Microstrip line for
MMIC CAD-application, Asia-Pacific Microwave Conference, APMC‟ 93, 18-21 Oct., Taiwan China.
22. Verma, A.K., Srivastava, A.K. and Gupta, V.L..1993 . Determination of Static capacitance of
Multilayer Microstrip Ring.., Asia-Pacific Microwave Conference. APMC‟ 93, 18-21 Oct. Taiwan,
China.
23. Verma, A.K.and Bhupal A. . 1994. Control of Slow-wave Propagation on Suspended Microstrip Line.
IEEE Antenna & Propagation URSI Meeting, June, Washington, USA.
24. Verma, A.K.and Bhupal, A. . 1995. Unified Dispersion Model for Composite Substrate Shielded
Parallel Coupled Microstrip Line Using SLR Technique. SBMO / IEEE MTT-S, International Microwave
& Opto-Electronics Conference, July , Brazil.
25. Verma, A.K.and Kumar, R. . 1995. Modeling for Dispersion of Shielded Microstrip Line Using SLR
Technique. Int. Symposium. Signal, System Electronics, Oct., San Francisco, USA.
26. Verma, A.K.and Kumar, R. . 1996. Dispersion model for suspended microstrip line. Int. Symposium.
on Electrical Packaging, EPEP‟ 96, Oct. Nepa, California, USA.1
27. Verma, A.K.and Kumar, R.. 1996. Logistic dispersion model. Asia-Pacific Microwave Conference,
Dec., New Delhi, India.
28. Verma, A.K.and Kumar, R. .1996. Closed-form dispersion model of composite/suspended substrate
microstrip line. Asia-Pacific Microwave Conference Dec. New-Delhi, India.
29. Verma, A.K.and Sharma, E. K. .1998. Analysis of Optically Controlled microstrip slow wave
structures. Photonics- 98, vol.1. pp. 235-238, Dec. New Delhi, India.
30. Sharma, E. K Bhaduria,and Verma, A.K. .2000. Analysis of Optically Controlled microstrip slow
wave structures: A Circuit Model, ., Asia-Pacific Microwave Conference, pp.557-560 , Dec., Sydney,
Australia.
31. Verma, A. K., Nasimuddin, Sharma, E.K. and Singh, B.R. .2000. Optically controlled coupled line
microstrip attenuator. Asia-Pacific Microwave Conference, pp.1069-1072, Dec., Sydney, Australia .

32. Verma, A. K. and Nasimuddin. 2000. Synthesis and analysis of optimum directivity suspended
microstrip coupler. Asia-Pacific Microwave Conference, Dec., Sydney, Australia.
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