1. Toumazou, C., Lidgey, F.G., and Haigh, D.G.: ‘Analog IC design: the current mode approach’, (Peter Peregrinus Ltd. London 1990)
2. Novel voltage-controlled grounded resistor
3. Very linear CMOS floating resistor
4. Wiest, F., and Fabre, A.: (9306121)and PCT/FG94/0064, May 1994
5. Ultra-low-distortion current-conversion technique