Patent ID: 8854148

Claim:
A programmable sinusoidal oscillator circuit, comprising: a current feedback operational amplifier (CFOA) having an x inverting input and a y non-inverting input, a z output terminal and a w output terminal; an end terminal of a first current divider connected to the x input, the first current divider including an admittance Y 5 and an input coupling admittance Y 4 ; a split terminal of a second current divider connected to the y input, the second current divider including admittances Y 1 and Y 2 ; and a coupling admittance element Y 3 being connected in a feedback configuration to a split terminal of the first current divider and an end terminal of the second current divider, the end terminal of the second current divider being connected to the z output terminal of the CFOA, wherein at least one admittance element of the programmable sinusoidal oscillator circuit is an active transconductance element, at least one admittance element of the programmable sinusoidal oscillator circuit is a passive element, the passive elements in the programmable sinusoidal oscillator circuit are passive capacitive elements, and oscillations generated by the programmable sinusoidal oscillator circuit appear at the w output terminal, the w output terminal having a low output impedance.