1. A very low frequency, micropower, low voltage CMOS oscillator for noncardiac pacemakers;Hwang;IEEE Trans. Circuits Syst. I,1995
2. K. Lasanen, E.R. Ruotsalainen, J. Kostamovaara, A 1-V, self adjusting, 5-MHz CMOS RC-oscillator, in: Proceedings of the ISCAS 2002, May 2002, Scottsdale, USA, vol. IV, pp. 377–380.
3. T. O’Shaughnessy, A CMOS, self calibrating, 100MHz RC-oscillator for ASIC applications, in: Proceedings of the ASIC Conference 1995, September 1995, Austin, USA, pp. 279–282.
4. F. Bala, T. Nandy, Programmable high frequency RC oscillator, in: Proceedings of the 18th International Conference on VLSI Design, January 2005, Kolkata, India, pp. 511–515.
5. Design criteria for the RF section of UHF and microwave passive RFID transponders;De Vita;IEEE Trans. Microwave Theory Tech.,2005