Title :
Fully-differential current amplifier and its application to universal and adjustable filter
Author :
Jerabek, Jan ; Sotner, Roman ; Vrba, Kamil
Author_Institution :
Fac. of Electr. Eng. & Commun., Brno Univ. of Technol., Brno, Czech Republic
Abstract :
A novel fully-differential (F-D) digitally adjustable current amplifier referred to as Digitally Adjustable Current Amplifier (DACA) and its application to the design of F-D filter working in the current mode are presented in this contribution. The basic features of DACA are shown. The filter was designed by the transformation of the single-ended (S-E) structure and is universal. The parameters of the filter can be easily tuned thanks to properly placed DACA elements. Simulation results are included in the contribution.
Keywords :
current-mode circuits; differential amplifiers; F-D filter; adjustable filter; current mode; digitally adjustable current amplifier; fully-differential current amplifier; single-ended structure; universal filter; Band pass filters; Filtering theory; Gain; Operational amplifiers; Power harmonic filters; Q factor; Simulation;
Conference_Titel :
Applied Electronics (AE), 2010 International Conference on
Conference_Location :
Pilsen
Print_ISBN :
978-80-7043-865-7
