Title :
A synthesis of switched-capacitor immittance simulation circuits
Author_Institution :
Dept. of Electron. Eng., Saitama Inst. of Technol., Japan
fDate :
30 May-2 Jun 1994
Abstract :
The central activity of the switched-capacitor (SC) immittance simulation circuit has been restricted to the SC simulation of inductors. In contrast to this, higher-order immittance simulation circuits are seldom reported. In this paper two types of SC ungrounded higher-order immittance simulation circuits-SC Frequency Dependent Negative Resistor (FDNR) and SC Frequency Dependent Negative Capacitor (FDNCAP)-are proposed. Spreads between capacitor values of these circuits are small. Both circuits use unity gain buffers (UGB) as active devices and controlled by a 2 phase clock. A special feature of SC FDNR is to need only one UGB. The effect of parasitic capacitors on SC FDNCAP is minimized
Keywords :
active networks; circuit analysis computing; electric immittance; negative resistance devices; switched capacitor networks; active devices; frequency dependent negative capacitor; frequency dependent negative resistor; parasitic capacitors; switched-capacitor immittance simulation circuits; synthesis; two phase clock; unity gain buffers; Capacitors; Circuit simulation; Circuit synthesis; Clocks; Equations; Filters; Frequency dependence; Impedance; Switches; Switching circuits;
Conference_Titel :
Circuits and Systems, 1994. ISCAS '94., 1994 IEEE International Symposium on
Conference_Location :
London
Print_ISBN :
0-7803-1915-X
DOI :
10.1109/ISCAS.1994.409440
