Title :
Switched-capacitor circuits using delay-line elements
Author :
Tan, Nusret ; Eriksson, Sandra
Author_Institution :
Linkoping Univ., Sweden
Abstract :
A possible realisation of switched-capacitor integrators using delay-line elements is presented. Although parasitic sensitive, the proposed switched-capacitor integrator allows higher-frequency operation, dissipates less DC power and occupies less chip area that its counterpart using an operational amplifier. The realisation and simulation result of a second-order delta-sigma modulator employing the proposed integrators are also included.
Keywords :
delay lines; delta modulation; integrating circuits; modulators; switched capacitor networks; DC power dissipation; chip area; delay-line elements; high frequency operation; second-order delta-sigma modulator; simulation; switched-capacitor integrators;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19930107
