Results 21 to 30 of about 17,815 (305)
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 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
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
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
Two-Terminal Electronic Circuits with Controllable Linear NDR Region and Their Applications
Applied Sciences, 2021 Negative differential resistance (NDR) is inherent in many electronic devices, in which, over a specific voltage range, the current decreases with increasing voltage.
Vladimir Ulansky +2 more
doaj +1 more source
CMOS voltage‐controlled oscillator using inductive dual‐balance source degeneration
Electronics Letters, 2022 This study reports a voltage‐controlled oscillator (VCO) implemented in a 0.18‐μm CMOS process. By utilizing an inductive dual‐balance source degeneration (IDSD) technique with a current‐reused structure, the proposed VCO improves the phase noise and the
Yu‐Hsin Chang, Jyun‐Fu Liang
doaj +1 more source
IEEE Access, 2022 This paper presents a new electronically tunable universal filter and quadrature oscillator for low frequency biomedical and biosensor applications employing low-voltage differential difference transconductance amplifier (DDTA).
Montree Kumngern +3 more
doaj +1 more source