References
- Meindl, J. D., Micropower circuits (John Wiley & Sons Inc., New York), 1969.
- Venkateswarlu, V. & Sonde, B. S., “A micropower amplitude modulator”, Proc. IEEE, 1971, (in print).
- Millman, J. & Taub, H., “Pulse, digital and switching waveforms” (McGraw-Hill Book Co. Inc., New York), 1965, 438–41.
- Das, S., Basu, D. K. & Dutta, R., Int. J. Electronics, 27 (6) (Dec. 1969), 593–96.