Constant current versus constant voltage DBS stimulators—Changing trend [PDF]
Rukmini M Kandadai +4 more
doaj +4 more sources
pH Quantification in Human Dermal Interstitial Fluid Using Ultra-Thin SOI Silicon Nanowire ISFETs and a High-Sensitivity Constant-Current Approach [PDF]
In this paper, we propose a novel approach to utilize silicon nanowires as high-sensitivity pH sensors. Our approach works based on fixing the current bias of silicon nanowires Ion Sensitive Field Effect Transistors (ISFETs) and monitor the resulting ...
Yann Sprunger +6 more
doaj +2 more sources
The safety to switch from constant voltage to constant current with a mixed internal pulse generator in deep brain stimulation [PDF]
Background: Deep brain stimulation (DBS) is an efficient modality for the treatment of movement disorders. Differing from the constant voltage (CV)-DBS devices, constant current (CC)-DBS devices may allow more precise stimulation of the target brain ...
Gülşah Öztürk, Kemal Paksoy
doaj +2 more sources
Optimized Multi-Stepped constant current constant voltage fast charging controller for lithium-ion batteries [PDF]
This paper addresses an effective, reliable and fast charging method for maximizing lithium-ion battery performance, longevity, and safety. The proposed multi-stage current charging mechanism utilizes a modified multi-stepped constant current-constant ...
Mohamed Magdy +3 more
doaj +2 more sources
Evaluation of continuous constant current and continuous pulsed current in sweat induction for cystic fibrosis diagnosis [PDF]
Background The sweat test (ST) is the gold standard for the diagnosis of cystic fibrosis (CF). However, little is known about sweat induction using different types of currents and waves.
Carla Cristina Souza Gomez +8 more
doaj +2 more sources
Current Mode Control of a Series LC Converter Supporting Constant Current, Constant Voltage (CCCV) [PDF]
This paper introduces a control algorithm for soft-switching series LC converters. The conventional voltage-to-voltage controller is split into a master and a slave controller.
Michael Heidinger +6 more
doaj +4 more sources
Inductive power transfer (IPT) systems have been extensively studied and incorporated into various industrial applications. An IPT system with the capability to provide constant current output (CCO) and constant voltage output (CVO) is necessary to ...
Xuebin Zhou +5 more
doaj +1 more source
In this paper, an ultra-low power, adaptive all-digital integer frequency-locked loop (FLL) with gain estimation and constant current digitally controlled oscillator (DCO) for Bluetooth low energy (BLE) transceiver in Internet-of-Things (IoT) is ...
Imran Ali +9 more
doaj +1 more source
Techniques of Recording Photoplethysmographic Signals
The photoplethysmography optically measures blood volume changes within micro vascular tissue. Furthermore, photoplethysmographic signals are used within pulse oximeters in order to calculate the oxygen saturation of the blood.
Herrmann Hans, Ewald Hartmut
doaj +1 more source
Research on hybrid topology of single-switch ICPT for battery charging [PDF]
In order to realize constant current and constant voltage charging for batteries by inductively coupled power transfer (ICPT) technology, a single-switch CL/LCL circuit is designed.
Guangzong Zhang +3 more
doaj +1 more source

