1. Toumazou, C., Lidgey, F. J., & Haigh, D. G. (1990). Analogue IC design: The current-mode approach. London: Peter Peregrinus.
2. Schmid, H. (2002). Why the terms ‘current mode’ and ‘voltage mode’ neither divide nor qualify circuits. IEEE ISCAS, 2, II-29–II-32.
3. Khucharoensin, S., & Kasemsuwan, V. (2003). High performance CMOS current-mode precision full-wave rectifier. IEEE ISCAS, 1, I-41–I-44.
4. Serigo, F. (2002). Design with operation amplifiers and analog integrated circuits (3rd ed.). New York: McGraw-Hall.
5. Toumazou, C., Lidgey, F. J., & Cheung, P. Y. K. (1989). Current-mode analogue signal processing circuits-a review of recent developments. In IEEE International Symposium on Circuits and Systems (pp. 1572–1575).