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has been cited by the following article:

• TITLE: Electronically Controllable Fully-Uncoupled Explicit Current-Mode Quadrature Oscillator Using VDTAs and Grounded Capacitors

  AUTHORS: Dinesh Prasad, Mayank Srivastava, Data Ram Bhaskar

  KEYWORDS: VDTA; Quadrature Oscillator; Current-Mode Circuits

  JOURNAL NAME: Circuits and Systems, Vol.4 No.2, April 17, 2013

  ABSTRACT: An electronically controllable fully uncoupled explicit current-mode quadrature oscillator employing Voltage Differencing Transconductance Amplifiers (VDTAs) as active elements has been presented. The proposed configuration employs two VDTAs along with grounded capacitors and offers the following advantageous features 1) fully and electronically independent control of condition of oscillation (CO) and frequency of oscillation (FO); 2) explicit current-mode quadrature oscillations; and 3) low active and passive sensitivities. The workability of proposed configuration has been demonstrated by PSPICE simulations with TSMC CMOS 0.18 μm process parameters.