Results 31 to 40 of about 117,427,695 (333)

Automated Nuclear Quadruple Resonance Spectrometer

Advances in Electrical and Computer Engineering, 2008
Improvement of an autodyne Nuclear quadruple resonance spectrometer is offered. The change of frequency of oscillatory LC circuit of the spectrometer is carried out in two ways: by varicap and variable capacitor.
IVANCHUK, M., BRAJLOVSKYJ, V.
doaj   +1 more source

Desain 8 Bit R3R Ladder Digital To Analog Converter

Jurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems), 2013
Metode R3R merupakan pengembangan dari metode R2R yang digunakan sebagai pengubah sinyal digital ke analog. Penelitian dengan metode R3R dilakukan untuk membuat desain dan anlisis sistem yang berbasis teknologi CMOS 1.2 um.
Suryo Adi Wibowo, Sholeh Hadi Pramono, M. Julius, Wijono Wijono   +3 more
doaj   +1 more source

Overview of the digital-to-analog converter module based on the MCP4725 chip and the digital-to-analog converter module based on the integrating RC circuit

Известия Томского политехнического университета: Промышленная кибернетика
In technical cybernetic systems, it is impossible to do without exchanging information between devices. Most modern control devices are digital, but it is not uncommon for an analog signal to be required to control executive devices, which can be changed
Kirill A. Volobuev, Igor V. Trubin, Vitaly G. Trubin   +2 more
doaj   +1 more source

A 7.4-Bit ENOB 600 MS/s FPGA-Based Online Calibrated Slope ADC without External Components

Sensors, 2022
A slope analog-to-digital converter (ADC) amenable to be fully implemented on a digital field programmable gate array (FPGA) without requiring any external active or passive components is proposed in this paper.
Mengdi Zhang, Ye Zhao, Yong Chen, Paolo Crovetti, Yanji Wang, Xinshun Ning, Shushan Qiao   +6 more
doaj   +1 more source

A Proposal of a Novel Method for Generating Discrete Analog Uniform Noise

Advances in Electrical and Computer Engineering, 2018
This paper presents a proposal of a new way to generate analog noise, discrete in time, with uniform probability density function. Instead of the usual way of generating discrete analog uniform noise using a uniform pseudorandom number generator and a ...
PEJIC, D., GAZIVODA, N., LICINA, B., UREKAR, M., SOVILJ, P., VUJICIC, B.   +5 more
doaj   +1 more source

The digital conception of sigma - delta D/A converter implemented into FPGA

Communications, 2000
D/A converters are technical means which allow mutual communication between discrete and analog systems. Then base function is accurately comprehended in the statement "D/A converters create bridge between digital and analog world".
Oldrich Kovar, Juraj Micek
doaj   +1 more source

Low-Cost Universal Multi-Mode Digital Compensator Design for Flyback Converters With Full Digital Feedback

IEEE Access
This study presents a low-cost digital compensator design for a flyback converter featuring a full digital feedback loop. This design replaces the traditional analog compensation circuit with a digital compensator, where the external resistance and ...
Yun Gwan Kim, Jae Bin Kim, Byeong Gi Jang, Jae Hyung Jang, Sang-Sun Yoo, Seok Kee Kim, Yeon Jae Jung, Young Gun Pu, Kang-Yoon Lee   +8 more
doaj   +1 more source

Robust digital voltage mode control of buck converter with enhanced tracking performance [PDF]

Al-Qadisiyah Journal for Engineering Science
The digital voltage controller of power converters is used because it has many advantages over its analog counterparts. Thus, in this paper, a controller of digital voltage mode is designed and analyzed for a non-isolated DC-DC buck converter in ...
Abdullah Abdulsada, Nasir Selman
doaj   +1 more source

Exercise Capacity, Physical Activity, Fatigue, and Neurocognitive Function in Adult Survivors of Childhood Acute Lymphoblastic Leukemia

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Adult survivors of childhood acute lymphoblastic leukemia (ALL) are at risk of reduced exercise capacity, decreased physical activity levels, persistent fatigue, and neurocognitive deficits. The aim was to investigate exercise capacity and physical activity levels of adult survivors of childhood ALL and their associations with ...
Laura Jess, Gustaf Glavå, Simon Skau, Hans‐Georg Kuhn, Maria Bäck, Marianne Jarfelt   +5 more
wiley   +1 more source

Circuit analysis of RC integration circuits for use in PWM-based DACs

Известия Томского политехнического университета: Промышленная кибернетика
In scientific, educational, and engineering settings, it is often necessary to transmit analog signals to control various actuators. Examples of such devices include motors, valves, dampers, lighting, and audio equipment.
Kirill A. Volobuev, Violetta M. Moskaleva, Igor V. Trubin, Vitaly G. Trubin   +3 more
doaj   +1 more source