References
- ??W. Mathis, 'Nonlinear systems and communications systems,' Proc. IEEE TELSIKS 2001 Conf., vol. 1, pp. 293-296, Sept. 2001 https://doi.org/10.1109/TELSKS.2001.954894
- M. S. Roden, Analog and Digital Communication Systems 4th Ed., Prentice-Hall, Inc., 1996
- D. Maksimovic and S. Cuk, 'A unified analysis of PWM converters in discontinous modes,' IEEE Trans. Power Electronics, vol. 6, pp. 476-490, July 1991 https://doi.org/10.1109/63.85890
- D. H. Sheingold, Nonlinear Circuits Handbook, Analog Devices, Inc. 1974
- M. Siripruchyanun, P. Wardkein, and W. Sangpisit, 'A simple pulse width modulator using current conveyor,' Proc. IEEE TENCON 2000 Conf., vol. 1, pp. 452-457, Sept. 2000 https://doi.org/10.1109/TENCON.2000.893710
- M. Siripruchyanun and P. Wardkein, 'A fully independently adjustable, integrable simple current controlled oscillator and derivative PWM signal generator,' IEICE Trans. Funds., vol. E86-A, no. 12, pp. 3119-3126, Dec. 2003
- A. Djemouai, M. Sawan, and M. Slamai, 'New CMOS integrated pulse width modulator for voltage conversion applications,' Proc., IEEE ICECS 2000 Conf., vol. 1, pp. 116-119, Dec. 2000 https://doi.org/10.1109/ICECS.2000.911498
- J. -J. Chen, H. -Y. Lin, Y. -T. Lin, and W. -Y. Chung, 'Integrated pulse-width-modulation circuit using CMOS processes,' Proc. IEEE PESC 04 Conf., vol. , pp. 1356-1358, June 2004
- Y. Zheng and C. E. Saavedra, 'Pulse width modulator using a phase-locked loop variable phase shifter,' Proc. IEEE ISCAS 2005 Conf., vol. 4, pp. 3639-3642, May 2005 https://doi.org/10.1109/ISCAS.2005.1465418
- K. Kim, H.-W. Cha, and W.-S. Chung, 'OTA-R ?Schmitt trigger with independently controllable threshold and output voltage levels,' Electronics letters, vol. 33, no. 13, pp. 1103-1105, June 1997 https://doi.org/10.1049/el:19970786