Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Bridge rectifier

Bridge rectifier

The bridge rectifier is essential in electronics for efficiently converting alternating current (AC) to direct current (DC). Comprised of four diodes configured in a bridge layout, this rectifier effectively processes both the positive and negative halves of the AC waveform, making it superior to half-wave and full-wave center-tapped rectifiers in terms of voltage regulation and output stability.
Operationally, the bridge rectifier allows current flow through two of its diodes during each...

Voltage Doubler Circuit

Voltage Doubler Circuit

A voltage doubler circuit integrates two main components: a clamping section and a rectifier section. The clamping section consists of a capacitor (C1) and a diode (D1), whereas the rectifier section is equipped with another diode (D2) and capacitor (C2). This circuit produces an output voltage with twice the amplitude of the sinusoidal input voltage.

Half wave rectifier

Half wave rectifier

A half-wave rectifier is a fundamental circuit in electronics, designed to convert alternating current (AC) voltage into a unidirectional voltage. It utilizes the simplest form of diode rectification, where the circuit comprises a single diode in series with a load resistor and an AC power source.

Clamper Circuit

Clamper Circuit

A clamper circuit, also known as a DC restorer, represents a specialized variant of the rectifier circuit, notable for its method of taking the output across the diode rather than the capacitor. This configuration lends to several distinctive applications, particularly in handling square wave inputs.
Within this circuit, the diode's orientation prompts the capacitor to charge up to the level of the most negative peak of the input signal. Upon reaching this state, the diode ceases to conduct,...

Diode: Reverse bias

Diode: Reverse bias

A diode is reverse-biased when the positive terminal of an external voltage source is connected to the n-type material and the negative terminal to the p-type material. This configuration opposes the natural direction of current flow through the diode, effectively increasing the width of the depletion region and the barrier potential. The reverse bias condition produces a minimal leakage current, primarily due to minority charge carriers. This leakage becomes significant when the reverse...

Clipper Circuit

Clipper Circuit

A clipper circuit is a fundamental wave-shaping device that harnesses the unique properties of diodes to alter and control waveform characteristics. This technology is widely used in electronic devices, especially in television and radar communication systems, where it enhances waveform modulation in both transmitters and receivers.
The operation of a clipper circuit can be exemplified by analyzing a dual-clipper configuration setup that integrates two ideal diodes, each paired with a biasing...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

A versatile wearable sEMG recording system for long-term epileptic seizure monitoring.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2021

Same author

A new molecular imprinted PEDOT glassy carbon electrode for carbamazepine detection.

Biosensors & bioelectronics·2021

Same author

Unsupervised Clustering of HRV Features Reveals Preictal Changes in Human Epilepsy.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2020

Same author

A 110-nW in-channel sigma-delta converter for large-scale neural recording implants.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2017

Same author

Low-power adaptive spike detector based on a sigma-delta control loop.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2016

Same author

[Not Available].

Progres en urologie : journal de l'Association francaise d'urologie et de la Societe francaise d'urologie·2015

Search research articles

Related Experiment Video

Updated: May 9, 2026

Autonomous and Rechargeable Microneurostimulator Endoscopically Implantable into the Submucosa

Autonomous and Rechargeable Microneurostimulator Endoscopically Implantable into the Submucosa

Published on: September 27, 2018

A Low-Power Asynchronous Step-Down DC-DC Converter for Implantable Devices.

Omar Al-Terkawi Hasib, M Sawan, Y Savaria

IEEE Transactions on Biomedical Circuits and Systems

|July 16, 2013

Summary

This study introduces an efficient asynchronous switched capacitor DC-DC converter for ultra-low-power biomedical implants. The novel design optimizes switching frequency and uses parallel switches to achieve high efficiency up to 80%.

More Related Videos

Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver

Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver

Published on: August 27, 2021

Related Experiment Videos

Last Updated: May 9, 2026

Autonomous and Rechargeable Microneurostimulator Endoscopically Implantable into the Submucosa

Autonomous and Rechargeable Microneurostimulator Endoscopically Implantable into the Submucosa

Published on: September 27, 2018

Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver

Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver

Published on: August 27, 2021

Area of Science:

Electrical Engineering
Power Electronics
Biomedical Engineering

Background:

Ultra-low-power circuits are crucial for biomedical implants.
Efficient DC-DC conversion is needed to power these circuits from limited energy sources.
Existing solutions may face challenges with efficiency and size constraints.

Purpose of the Study:

To present a fully integrated asynchronous step-down switched capacitor DC-DC converter.
To support ultra-low-power circuits in biomedical implants.
To improve efficiency and power delivery for implantable devices.

Main Methods:

Utilized a fully digital asynchronous state machine for control circuitry.
Implemented adaptive switching frequency control based on loading conditions.
Incorporated parallel switches and a backup synchronous drive mode to minimize losses.

Main Results:

Regulated load voltages from 300 mV to 1.1 V from a 1.2-V input.
Achieved up to 80% efficiency with 350 pF on-chip capacitance.
Supported a maximum load power of 230 μW.
Fabricated and tested in 0.13 μm CMOS technology.

Conclusions:

The proposed asynchronous DC-DC converter effectively supports ultra-low-power biomedical implant applications.
The design demonstrates high efficiency and reliable voltage regulation.
Experimental results validate the circuit's functionality and performance.