1.    Radhakrishna Rao, K., and Venkateswaran, S., ‘Synthesis of Inductors and Gyrators with Voltage-Controlled Voltage Sources’, Electronics Letters (London), Vol.6, pp.29-30, Jan. 1970

2.    Radhakrishna Rao, K., and Venkateswaran, S., ‘R.C. Oscillators using unit gain amplifiers and null networks’, International Conference on Microelectronics, Circuits and System Theory, Conference Digest, pp.16-17, August 1970, Sydney, Australia.

3.    Radhakrishna Rao, K., and Venkateswaran, S., ‘High-Q inductor from a single unity gain amplifier’, International Journal of Electronics (London), Vol. 29, pp.584-489, November 1970

4.    Radhakrishna Rao, K., and Venkateswaran, S., ‘Multi-function active RC circuit and grounded capacitors’, Electronics Letters (London), Vol.7, pp.708-710, December 1971

5.    Radhakrishna Rao, K., and Venkateswaran, S., ‘Active RC synthesis of driving point impedances, generalized impedance invertors/convertors, oscillators and filters’, Journal of the ITE (India), Vol.17, Oct.1971.

6.    Radhakrishna Rao, K., and Venkateswaran, S., ‘Active synthesis of biquadratic inductive impedance with grounded capacitors’, Journal of the Institution of Telecommunication Engineers (India), Vol.18, pp. 336-339, 1972

7.    Radhakrishna Rao, K., and Srinivasan, S., ‘A bandpass filter using the operational amplifier pole;, IEEE J. Solid State Circuits (USA), Vol.SC-8, pp.245-246, June 1973

8.    Radhakrishna Rao, K., and Srinivasan, S., ‘Low sensitivity active filters using the operational amplifier pole’, IEEE Transactions on Circuits and Systems (USA), CAS-21,pp.260-262, March 1974

9.    Radhakrishna Rao, K., and Srinivasan, S., ‘Integrated VCO’s using the operational amplifier pole’, AEU (West Germany), Band 28, pp.326-328, July/August 1974

10.  Radhakrishna Rao, K., and Srinivasan, S., ‘A high-Q temperature insensitive bandpass filter using the operational amplifier pole’, Proc. IEEE (USA), November 1974

11.  Radhakrishna Rao, K., and Srinivasan, S., ‘Voltage Controlled Oscillators (VCOs) for integrated circuits’, AEU (Electronics and Communication) – (Germany), Vol.29, pp.374-379

12.  Radhakrishna Rao, K., Sethuraman, V., and Neelakantan P.K., ‘A novel follow the master filter;, Prod. IEEE (USA), Vol.65, 12, 99.1275, 1977

13.  Radhakrishna Rao, K., Reddy, M.A., Ravichandran, S., Ramamurthy, B., and Shankar, P.R., ‘An active compensated double-integrator filtor without matched operational amplifiers’, Proc. IEEE (USA)., Vol.68, 4, pp.534, 1980

14.  Radhakrishna Rao, K., and  Ravichandran, S., ‘A novel active compensation scheme for active-RC filter’, Proc. IEEE (USA), Vol.68, 6, pp.743-744, 1980

15.  Radhakrishna Rao, K., and  Ravichandran, S., ‘Notch filters with high-Q pole pair for high frequencies’, AEU (Electronics and Communication) - (Germany), Vol.35, No.6, pp.263-264, 1980

16.  Radhakrishna Rao, K., Reddy, M.A., Ravishankar, R., and Ramamurthy, B., ‘A high quality dole integrator building block for active ladder filter’, Proc. IEEE (USA), April 1980

17.  Radhakrishna Rao, K., Moni, R.S., and Reddy, M.A., ‘Analysis of a high quality gyrator filter’, IEEE Trans. Circuits and Systems (USA), Vol.CAS-28, 4, pp.342-343, 1981

18.  Radhakrishna Rao, K., and Moni, R.S., ‘Tracking mains filter’, Wireless world (USA), pp.62-64, October 1981

19.  Radhakrishna Rao, K., and Moni, R.S., ‘Large signal instability in active-R and a class of compensated active RC filters’, Proc. IEEE (USA), Vol.69, No.10, pp.1366-1367, October 1981

20.  Radhakrishna Rao, K., and Moni, R.S., ‘Large signal instability in active RC biquadratic filter building block’, Proc. IEEE (USA), Vol.69, pp.751-753, June 1981

21.  Radhakrishna Rao, K., Srinivasan, S., and Ravi, P, C., ‘A video selectivity block for television receivers’, IEEE Trans Consumer Electronics (USA), Vol. CE-27, No.3, pp.200-210, August 1981

22.  Radhakrishna Rao, K., and Moni, R.S., ‘Jump phenomenon in active RC filters’, IEEE Trans Circuits and Systems (USA), Vol.CAS-29, 1, pp.54-56, 1982

23.  Radhakrishna Rao, K., Sailesh, I. K., and Moni, R.S., ‘Jump phenomenon in active RC circuits amplified analytical approach’, IEEE International Symposium on Circuits and Systems Proceedings, pp. 423-426, 1982

24.  Radhakrishna Rao, K., Sasikumar, M., and Reddy, M.A., ‘Active compensation in switched capacitor biquad’, Proc. IEEE, Vol.71, pp.1008-1009, August, 1983

25.  Radhakrishna Rao, K., Sasikumar, M., and Reddy, M.A., ‘Large-signal instability in the switched – capacitor double-integrator biquad’, IEEE International Symposium on Circuits and Systems, Montreal, Canada, May 7-10, 1984, Vol. 3, pp. 1065-1088

26.  Radhakrishna Rao, K., Sasikumar, M., and Reddy, M.A., ‘Programmable switched-capacitor filter with no additional silicon area’. Proc. IEEE, Vol. 72, No.5, pp. 648-650, May, 1984

27.  Radhakrishna Rao, K., Sasikumar, M., and Reddy, M.A., ‘A general compensation for a switched capacitor double integrator biquad’, IEEE Circuits and Systems Magazine, pp.4-6., March, 1984

28.  Radhakrishna Rao, K., and Sasikumar, M., ‘A novel linear voltage controlled resistor’, Electronic Engineering, p.32, September, 1985

29.  Radhakrishna Rao, K., Rao, P.R.S., and Bhat, K. N., ‘High sensitivity MOS varactor’, Solid State Electronics, Vo.29, No.11, pp.1137-1144, 1986

30.  Radhakrishna Rao, K., and Subramanyan, R., ‘ A novel high-Q narrow band/notch digital filter’, Electronics Letters, Vol. 22, pp.870-872, July, 1986

31.  Radhakrishna Rao, K., and Mohan, H., ‘Mirudangam Simulation’, ICMC 86 Proceedings, Hague, Netherlands, October 1986

32.  Radhakrishna Rao, K., and Venugopal, G., ‘A novel technique for the on-chip tuning of monolithic filters’, Proc. IEEE, Vol. 75, No. 2., pp.257-258, February 1987

33.  Radhakrishna Rao, K., and Ashar, P., ‘Magnitude locked loop’, Proc. IEEE, Vo.76, No.2, pp.201-203, February 1988

34.  Radhakrishna Rao, K., Magarakam, S., amd Krishnan, R., ‘Electronic Simulation of the Mridangam and the Jalatarangam’, IEEE, Technical Review, Vol. 6, No. 5, pp.401-405, 1989

35.  Radhakrishna Rao, K., and Ajoy Raman, ‘Magnetic Heading Sensor’, Electronics and Wireless World, pp.1023-1024, 1989

36.  Radhakrishna Rao, K., and Ajoy Raman, ‘Programmable Phase-shifter for sinusoidal signals is frequency independent’, accepoted for publication in EDN Magazine, 1990

37.  Radhakrishna Rao, K., and Ajoy Raman, ‘Single-phase to three-phase converter’, Electronic World and Wire-less World, pp.425, May, 1991

38.  Radhakrishna Rao, K., and Prakash, E., ‘Design of programmable VLSI analog filter’, National Symposium on Systems, Madras, October 3, 1993, pp.125-131 of symposium proceedings, 1993

39.  Radhakrishna Rao, K., and Karthikeyan, K. R., ‘A software tool for analog filter design’, National Symposium on Systems, Madras, October 3, 1993, pp.197-201.

40.  Radhakrishna Rao, K., Yogest, S., and Radhakrishnan, S., ‘Micro-controller based communication kit for spastic children’, Recent advances in Biomedical Engineering, pp.278-279, Tata McGraw Hill, 1994. Proceedings of ICRA BME ’94, Jan.6-9, 1994 at Hyderabad, 1994

41.  Radhakrishna Rao, K., Srinivasan, V., and Shankar, K. R., ‘Front end filtering’, Electronics World and Wirelessworld, pp.276-278, April 1995

42.  Radhakrishna Rao, K., and Karthikeyan, M. R., ‘A software tool for analog filter design’, Vol. Journal of IETE, pp.301-304, Dec. 1995

43.  Radhakrishna Rao, K., and Srinivasan, C., ‘A 2MHZ CMOS variable gain amplifier’, Proceedings of the 9th International Conference on VLSI Design, pp.90-93, 1996

44.  Radhakrishna Rao, K., Shankar, K. R., and Venkatraman, S., ‘Tuning schemes for transmission zeros of continuous-time filters’, Proceedings of the 10th International Conference on VLSI Design, pp.435-438, 1997

45.  Radhakrishna Rao, K., Venkataraman, S., and Natarajan, S., ‘A new tuning scheme for continuous time filter’, International Conference on VLSI Design, Chennai, Jan. 4-7, 1998

46.  Radhakrishna Rao, K., and Kiran S. P., ‘A novel translinear principle based BiMos transconductor’, International Conference on VLSI Design, Chennai, Jan. 4-7, 1998

47.  Radhakrishna Rao, K., Venkataraman, S., and Natarajan, S., ‘A low power video frequency continuous time filter’, International Conference on VLSI Design, Chennai, Jan. 4-7, 1998

48.  Radhakrishna Rao, K., and Sridhar V., ‘Active control acoustic noise’, Twenty first national systems conference 1997, Hyderabad, pp.23-28, January 23-24, 1998

49.  Radhakrishna Rao, K., and Veerendra Kumar, ‘A low voltage low power square-root domain filter’, IEEE Asia Pacific Conference on Circuits and Systems (APPCCAS ’02) Vol.2, pp.375-378, October 2002

50.  Radhakrishna Rao, K., and Anantha Nag, ‘Narrow band noise suppression scheme for improving signal to noise ratio’, 16th International Conference on VLSI Design, January 4-8, 2003, pp.25-29

51.  Radhakrishna Rao, K., and Veerendra Kumar, J., ‘A low-voltage low power CMOS companding filter’, 6th International Conference on VLSI Design, January 4-8, 2003, pp.315-319

52.  Radhakrishna Rao, K., Karmalkar, S., and Bannerjee, J., ‘An improved procedure for bump plating of planar diodes’, Journal of Materials Processing Technology, pp.210-213, Vol. 134, March 2003

53.  Radhakrishna Rao, K., Goel, A., Vetteth, A., and Sridhar, V., ‘Active cancellation on acoustic noise using self-tuned filter’, Circuits and Systems I: Regular Papers, IEEE Transactions, pp.2148-2156, Vol. 51, 11, November 2004

54. Radhakrishna Rao, K., and Saurabh Singh, 'Low Voltage Analogue Multiplier', IEEE Asia-Pacific Conference on Circuits and Systems - APCCAS , pp. 1772-1775, 2006