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

Small-Signal Analysis of MOSFET Amplifiers

Small-Signal Analysis of MOSFET Amplifiers

In small-signal analysis, a MOSFET transistor amplifier acts as a linear amplifier when operating in its saturation region. The gate-to-source voltage (VGS) of the MOSFET is the sum of the DC biasing voltage and the small time-varying input signal. This combination sets up the operating point and modulates the drain current (ID) that flows from the drain to the source. When a small AC signal is superimposed on the DC bias voltage at the gate, the instantaneous drain current comprises three...

MOSFET Amplifiers

MOSFET Amplifiers

The MOSFET, when operating in its active region, functions as a voltage-controlled current source. In this region, the gate-to-source voltage controls the drain current. This principle underlies the operation of the transconductance MOSFET amplifier. The output current is directed through a load resistor to convert this amplifier into a voltage amplifier. The output voltage is then obtained by subtracting the voltage drop across the load resistance from the supply voltage. This process results...

Design Example: Vintage Mixing Console

Design Example: Vintage Mixing Console

A sound engineer at a music company recently encountered a problem. The output from their newly acquired studio's vintage mixing console was too low for the requirements of modern recording equipment. To rectify this situation, the engineer decided to design an audio pre-amplifier using an operational amplifier (op-amp) to boost the signal level.
The specifications for the pre-amplifier were clear. It needed to amplify the audio signal by a factor of 10, have an input impedance above 10...

Time-Domain Interpretation of PD Control

Time-Domain Interpretation of PD Control

Proportional-Derivative (PD) control is a widely used control method in various engineering systems to enhance stability and performance. In a system with only proportional control, common issues include high maximum overshoot and oscillation, observed in both the error signal and its rate of change. This behavior can be divided into three distinct phases: initial overshoot, subsequent undershoot, and gradual stabilization.
Consider the example of control of motor torque. Initially, a positive...

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.

Small-Signal Analysis of BJT Amplifiers

Small-Signal Analysis of BJT Amplifiers

Small signal analysis is a fundamental approach used in electronics to understand how a Bipolar Junction Transistor (BJT) amplifier processes signals. In the active region, the BJT is designed for linear amplification. The transistor's behavior under these conditions is governed by its instantaneous base-emitter voltage VBE, a sum of the DC bias VBE, and a small AC signal VBE, resulting in the collector current iC. Here, the collector current has a DC component and an AC component.

You might also read

Related Articles

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

Sort by

Same author

The use of real or complex coupling coefficients for lossy piezoelectric materials.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control·2009

Same author

Full solution, for crystal class 3m, of the Holland-EerNisse complex material-constant theory of lossy piezoelectrics for harmonic time dependence.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control·2007

Same author

Phase change measurement, and speed of sound and attenuation determination, from underwater acoustic panel tests.

The Journal of the Acoustical Society of America·2003

Same author

Generalization of a model of hysteresis for dynamical systems.

The Journal of the Acoustical Society of America·2002

Search research articles

Related Experiment Video

Updated: Jun 6, 2026

A Methodological Protocol and Considerations for Transcranial Ultrasonic Stimulation in Exploratory Clinical Human Studies

A Methodological Protocol and Considerations for Transcranial Ultrasonic Stimulation in Exploratory Clinical Human Studies

Published on: December 12, 2025

Approximate transducer transient suppression with increased output amplitude.

Jean C Piquette¹

¹Naval Undersea Warfare Center, Division Newport, 1176 Howell Street, Newport, Rhode Island 02841, USA. jean.piquette@navy.mil

The Journal of the Acoustical Society of America

|November 30, 2010

Summary

This study introduces an improved transducer drive technique, enhancing output amplitude by removing a ramp component. This method ensures rapid, smooth transducer turn-on without compromising response smoothness.

More Related Videos

Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy

Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy

Published on: January 7, 2019

Pipeline for Planning and Execution of Transcranial Ultrasound Neuromodulation Experiments in Humans

Pipeline for Planning and Execution of Transcranial Ultrasound Neuromodulation Experiments in Humans

Published on: June 28, 2024

Related Experiment Videos

Last Updated: Jun 6, 2026

A Methodological Protocol and Considerations for Transcranial Ultrasonic Stimulation in Exploratory Clinical Human Studies

A Methodological Protocol and Considerations for Transcranial Ultrasonic Stimulation in Exploratory Clinical Human Studies

Published on: December 12, 2025

Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy

Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy

Published on: January 7, 2019

Pipeline for Planning and Execution of Transcranial Ultrasound Neuromodulation Experiments in Humans

Pipeline for Planning and Execution of Transcranial Ultrasound Neuromodulation Experiments in Humans

Published on: June 28, 2024

Area of Science:

Acoustics
Signal Processing
Transducer Technology

Background:

Previous transient-suppressing voltage waveforms for transducers caused significant amplitude reduction.
A ramp component in the waveform was identified as the cause of reduced transducer output amplitude.

Purpose of the Study:

To develop approximate methods for transducer drive waveforms that eliminate the ramp component.
To increase transducer output amplitude while maintaining a smooth turn-on characteristic.

Main Methods:

Modification of a previously described transient-suppressing voltage waveform technique.
Implementation of approximate methods to remove the ramp component from the drive waveform.

Main Results:

The modified technique significantly increases transducer output amplitude compared to the original method.
While transient suppression is slightly reduced, the smoothness of the transducer response is maintained.
Eliminating the ramp component successfully addresses the amplitude reduction issue.

Conclusions:

The approximate methods provide a viable alternative for rapid, smooth transducer turn-on with improved amplitude.
This technique offers a practical solution for applications requiring high transducer output without sacrificing response quality.