Results 21 to 30 of about 11,230 (303)
A liénard oscillator resonant tunnelling diode-laser diode hybrid integrated circuit: model and experiment [PDF]
, 2008 We report on a hybrid optoelectronic integrated circuit based on a resonant tunnelling diode driving an optical communications laser diode. This circuit can act as a voltage controlled oscillator with optical and electrical outputs.
Wasige, E. +8 more
core +1 more source
Applied Sciences, 2019 This paper proposes a new high-input impedance current feedback operational amplifier (CFOA)- based voltage-mode multifunction biquadratic filter and a voltage-mode quadrature oscillator using the proposed high-input impedance CFOA-based biquadratic ...
San-Fu Wang +3 more
doaj +1 more source
Towards a MEMS Force Sensor via the Electromagnetic Principle
Sensors, 2023 Force measurement is a science discipline that experiences significant progress with the introduction of new materials and evaluation methods. Many different sensor types, working on different principles, have been developed and reviewed and have found ...
Rene Hartansky +8 more
doaj +1 more source
IEEE Access, 2021 An all-digital phase-locked loop (ADPLL) with a multiphase digitally controlled oscillator (DCO) incorporating the bootstrapped and interpolated schemes is proposed in this paper.
Jen-Chieh Liu, Yu-Ping Li
doaj +1 more source
A Single-Event-Hardened Scheme for Ring Oscillator Applied to Radiation-Resistant PLL Microsystems
Micromachines, 2023 A voltage-controlled oscillator (VCO) is one of the key modules of the phase-locked loop (PLL) microsystem, and it is easy to bombard using high-energy particles in a radiation environment, resulting in the single-event effect.
Qi Xiang, Hongxia Liu, Yulun Zhou
doaj +1 more source
Design of the Voltage Controlled Oscillator for Low Voltage [PDF]
The Journal of the Korean Institute of Information and Communication Engineering, 2012 The design of low voltage LC-VCO(LC Voltage Controlled Oscillator) has been presented to optimize the phase noise and power consumption for the block of frequency synthesis to satisfy WCDMA system specification in this paper. The parameters for minimum phase noise has been obtained in the region of design, using the lines of the tuning range and the ...
Jong-In Lee +4 more
openaire +1 more source
A multipurpose voltage controlled oscillator [PDF]
Behavior Research Methods & Instrumentation, 1974 This report describes a multipurpose voltage controlled oscillator that is inexpensive, flexible, and adaptable to a variety of experimental purposes. Design features include the capability to (1) select a wide range of frequencies for experimental use, and (2) use the output to drive other digital circuits.
A. V. Pawlowski, D. R. Laws
openaire +1 more source
Novel Wien Bridge Oscillator Design Using Functional Block Structure with Current Conveyors
Advances in Electrical and Electronic Engineering, 2012 The purpose of this paper is to generally present possibilities of the current conveyor use in the well-known active electronic circuits. Current conveyors are able to substitute all known active elements.
Pavel Brandstetter, Lukas Klein
doaj +1 more source
DDCC-Based Quadrature Oscillator with Grounded Capacitors and Resistors
Active and Passive Electronic Components, 2009 A new voltage-mode quadrature oscillator using two differential difference current conveyors (DDCCs), two grounded capacitors, and three grounded resistors is presented. The proposed oscillator provides the following advantages: the oscillation condition
Montree Kumngern, Kobchai Dejhan
doaj +1 more source
Active and Passive Electronic Components, 2009 A new dual-input differential input active integrator using a current differencing buffered amplifier (CDBA) is proposed. A multiplier element is appropriately used in the circuit whose control voltage (Vc) tunes the integrator time constant (τ ...
R. Nandi, Mousiki Kar, Sagarika Das
doaj +1 more source