Electronically Tunable Current-Mode Quadrature Oscillator Using Single MCDTA
Alternative metrics PlumXhttp://hdl.handle.net/11012/57050
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This paper presents a modified current differencing transconductance amlpifier (MCDTA) and the MCDTA based quadrature oscillator. The oscillator is current-mode and provides current output from high output impedance terminals. The circuit uses only one MCDTA and two grounded capacitors, and is easy to be integrated. Its oscillation frequency can be tuned electronically by tuning bias currents of MCDTA. Finally, frequency error is analyzed. The results of circuit simulations are in agreement with theory.
Document typePeer reviewed
SourceRadioengineering. 2010, vol. 19, č. 4, s. 667-671. ISSN 1210-2512
- 2010/4