Hence the topic of quadrature sinusoidal oscillator design and implementation with better quality is receiving considerable research interest at present.
Siripruchyanun, "Voltage-mode quadrature sinusoidal oscillator with current tunable properties," Analog Integrated Circuits and Signal Processing, vol.
The proposed simple second-order sinusoidal oscillator fulfils multiphase requirements (produces 45, 90, 135 and 180 degree phase shifts simultaneously) and can work also as the quadrature type.
Junnapiya, "A sinusoidal oscillator using translinear current conveyors", in Proc.
The user has the option to use the internal sinusoidal oscillator
set at 100 Hz or to use an external oscillator with frequencies from 50 to 2 KHz.
In , an electronically controllable explicit current-mode sinusoidal oscillator using single VDTA and in  an electronically controllable fully uncoupled sinusoidal oscillator using two VDTAs have been presented.
Bhaskar, "Electronically-controllable explicit current output sinusoidal oscillator employing single VDTA," ISRN Electronics, vol.
Siripruchyanun, "Voltage-mode quadrature sinusoidal oscillator
with current tunable properties", Analog Integrated Circuits and Signal Processing, vol.
The converter contains a 12-bit resolution tracking resolver and an on-board programmable sinusoidal oscillator
that provides sine wave excitation.
Karris covers basic electronic concepts and signals, semiconductor electronics, diodes, bipolar junction transistors, field effect transistors and PNPN devices, operational amplifiers, integrated circuits, pulse circuits and waveforms generators, frequency characteristics of single-stage and cascaded amplifiers, tuned amplifiers, sinusoidal oscillators
, compensated attenuators, and more.
Topics include high-speed square root algorithms, recursive discrete time sinusoidal oscillators
, designing non-standard filters with differential evolution, turbocharging interpolated FIR filters, and generating rectangular coordinates in polar coordinate order.
A lot of applications are focused on sinusoidal oscillators
[12-15] and filters [16-20], in the voltage, current and also mixed mode.