บทความวิจัย 2552 

High Output-impedance Current-mode Quadrature Oscillator Using

napster

High Output-impedance Current-mode Quadrature Oscillator Using
Single MO-CCCDTA
This article presents a simple current-mode
quadrature oscillator using single multiple-output
current controlled current differencing
transconductance amplifier (MO-CCCDTA) as active
element. The oscillation condition and oscillation
frequency can be electronically/ independently
controlled. The circuit description is very simple,
consisting of merely single MO-CCCDTA, and 2
grounded capacitors. The proposed circuit is suitable
for IC architecture. The PSPICE simulation results are
depicted, and the given results agree well with the
theoretical anticipation.