The Configuration of Current-mode Single-input Multi-output, Multi-input Single-output Biquad Filter and Quadrature Oscillator based-on BiCMOS CCCTAs

摘要

The current-mode single-input multi-output, multi-input single-output biquad filter and quadrature oscillator for the same configuration has been studied in this paper. It is configured with two BiCMOS CCCTAs and two grounded capacitors. The performing of proposed configuration can function as the single-input multi-output and multi-input single-output filter. It serves to be all standard functions; Iowpass, highpass, bandpass, bandreject and allpass response. The pole frequency and the quality factor can be electronically/independently tuned with the DC bias currents of the BiCMOS CCCTAs. Furthermore, the proposed configuration can be operates in the quadrature oscillator. It has been featured as the condition of oscillation and the frequency of oscillation are freely adjusted with the DC bias currents of the BiCMOS CCCTAs. The performances for proposed configuration is simulated with PSPICE program that accordance to the theoretical analysis.%W pracy przedstawiono układ umożliwiający realizację prądowego filtru czwartego stopnia z jednym wejściem i wieloma wyjściami oraz z jednym wyjściem i wieloma wejściami. Ten sam układ umożliwia realizację układu generatora. Układ wykporzystuje dwa obwpody BiCMOS CCCTAs i dwa uziemione kondensatory.