Title : 
Programmable CTD filters using pulse duration modulation
         
        
            Author : 
Taylor, F.J. ; Shenoy, Varun
         
        
        
        
        
        
        
            Abstract : 
A CTD filter is synthesized using a simple programmable coefficient policy. This policy is suitable for on-line operation and possesses a simple hardware realization. Experimental results are presented to demonstrate the potential of the proposed method.
         
        
            Keywords : 
Band pass filters; Capacitance; Capacitors; Circuit simulation; Electrons; Impedance; Modulation coding; Operational amplifiers; Pulse modulation; Voltage;
         
        
        
            Journal_Title : 
Proceedings of the IEEE
         
        
        
        
        
            DOI : 
10.1109/PROC.1978.11092