This article deals with the configuration of an electronically tunable quadrature oscillator
using voltage differencing gain amplifiers (VDGAs) as active devices. The circuit employs a …

This work deals with the design of a compact electronically tunable sinusoidal quadrature
oscillator. The proposed quadrature oscillator is designed with a single voltage differencing …

An alternative topology of voltage-mode sinusoidal quadrature oscillator based on VDGA
(voltage differencing gain amplifier) is proposed. The proposed quadrature oscillator …

Background: This article describes the circuit construction of the sinusoidal quadrature
oscillator using two Voltage Differencing Gain Amplifiers (VDGAs) as active devices …

This article describes the compact quadrature sinusoidal oscillator, which produces both
voltage and current quadrature outputs at the same time. By utilizing a voltage differencing …

A new voltage mode quadrature oscillator (VMQO) employing single Voltage differencing
transconductance amplifier (VDTA), two grounded capacitors and one grounded resistor has …

This research proposes the sinusoidal oscillator that can provide two sine waves with 90°
degree phase shift. The proposed oscillator is derived from lossy and lossless integrator …

A new voltage-mode quadrature oscillator employing single differential-input buffered and
transconductance amplifier (DBTA), three grounded capacitors, and two grounded resistors …

In this paper a novel digitally programmable voltage mode (VM) quadrature oscillator (QO)
employing DCVDGAs has been presented. The idea of DCVDGA is developed by inserting …

This article presents two circuits of mixed-mode quadrature oscillator based-on voltage
differencing transconductance amplifier (VDTA). The circuits consist of two VDTAs and two …