Electronics and Electrical Engineering Design Articles

Electronics and electrical engineering design articles and technical resources.

Member Blog Posts:

  • How to GaN: eGaN®FETs for High Frequency Wireless Power Transfer

    How to GaN: eGaN®FETs for High Frequency Wireless Power Transfer

    Posted Jan 15, 2014 By Alex Lidow

    The previous columns in this series discussed the advantages of eGaN FETs in high frequency hard-switching, resonant, and soft-switching designs. In…

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  • Op Amp/Comparator Tutorial

    Op Amp/Comparator Tutorial

    Posted Oct 05, 2013 By ROHM

    1. What is Op-Amp/Comparator?

    1.1 Model of Amplifier (Voltage Amplifier) and Op-Amp
    An amplifier has a function to increase an input signal by…

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  • Chopper-Stabilized Amplifiers with T/H Signal Demodulator

    Chopper-Stabilized Amplifiers with T/H Signal Demodulator

    Posted Sep 20, 2013 By Allegro MicroSystems

    Abstract

    The conventional signal demodulator of a chopper amplifier can be substituted by track-and-hold (T/H) and averaging functions. This…

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  • Understanding Amplifier Gain Settings

    Understanding Amplifier Gain Settings

    Posted Aug 22, 2013 By IDT

    Description of Amplifier Gain Settings
    In standalone discrete amplifier products, gain is typically stated in V/V (volts per volt), or it may be…

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  • Three is a Crowd for Instrumentation Amplifiers

    Three is a Crowd for Instrumentation Amplifiers

    Posted Aug 11, 2013 By Maxim

    Instrumentation Amplifier Applications
    Instrumentation amplifiers amplify small differential voltages in the presence of large common-mode…

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  • Minimize Voltage Offsets in Precision Amplifiers

    Minimize Voltage Offsets in Precision Amplifiers

    Posted Aug 04, 2013 By Maxim

    Voltage-offset errors in precision amplifiers are partly caused by input bias currents. This article analyzes the problem and proposes a solution…

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  • High Efficiency Current Sensing Hall Sensor ICs

    High Efficiency Current Sensing Hall Sensor ICs

    Posted Jul 26, 2013 By Allegro MicroSystems

    Recent advancements in integrated Hall-effect current sensor technology provide an alternative current sensing solution that reduces power…

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  • High-Speed Full-Wave Rectification

    High-Speed Full-Wave Rectification

    Posted Jul 12, 2013 By Intersil

    Systems requiring power conversion and level detection employ full-wave rectification, traditionally provided by a diode bridge, but diode bridges…

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  • Fast Verification of PN512 and Amplifier

    Fast Verification of PN512 and Amplifier

    Posted Jul 08, 2013 By NXP

    This document is intended to give a practical guideline on functional verification of a reader system based on PN512 and amplifier based on [1]. The…

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  • Traveling Wave Amplifier MMIC

    Traveling Wave Amplifier MMIC

    Posted Jul 01, 2013 By Avago Technologies

    *Constant Linearity Variable Gain Traveling Wave Amplifier MMIC for 1 to 26.5 GHz
    Applications*

    Abstract
    This paper describes the design and test…

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  • HD Audio EAPD

    HD Audio EAPD

    Posted Jun 27, 2013 By IDT

    Definition:
    The term EAPD stands for External Amplifier Power Down.

    Logical Operation:
    Although named External Amplifier Power Down by the Intel…

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  • Integrated LNA and Image-Rejection Mixer

    Integrated LNA and Image-Rejection Mixer

    Posted Jun 15, 2013 By Avago Technologies

    An Integrated Low Noise Amplifier and Image-Rejection Mixer in a Surface Mount Package for Low Cost 10-22 GHz Applications

    *I….

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  • Selecting the Best Audio Amplifier

    Selecting the Best Audio Amplifier

    Posted Jun 12, 2013 By Maxim

    How to Select the Best Audio Amplifier for Your Design

    Abstract: With the ever changing requirements in the audio market, there have been many…

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  • Characteristics of E-pHEMT vs. HBTs

    Characteristics of E-pHEMT vs. HBTs

    Posted Jun 08, 2013 By Avago Technologies

    Characteristics of E-pHEMT vs. HBTs for PA Applications
    Introduction
    Many different semiconductor technologies are currently being used for power…

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  • Measurement of Load Impedance for PA Matching

    Measurement of Load Impedance for PA Matching

    Posted May 19, 2013 By Avago Technologies

    Introduction
    The AJAV-5xxx family of power amplifiers (PAs) are complete, high-performance power amplifiers for GSM/UMTS mobile handsets, data…

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  • High Isolation Buffer Amplifier

    High Isolation Buffer Amplifier

    Posted May 03, 2013 By Mouser

    Abstract
    The design and implementation of a high isolation buffer amplifier is presented in this White Paper. This IC uses a two gain stage…

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  • Modular Phono Preamplifier

    Modular Phono Preamplifier

    Posted Apr 29, 2013 By Extreme Circuits

    High Quality Moving Magnet Pick-up module, Two-stage Series/Shunt feedback RIAA equalization

    Any electronics amateur still in possess of a…

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  • Single-Supply Instrumentation Amplifier

    Single-Supply Instrumentation Amplifier

    Posted Apr 28, 2013 By Extreme Circuits

    The OP284 is a low noise dual op amp with a bandwidth of 4MHz and rail-to-rail input/output operation. These properties make it ideal for low supply…

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  • High Power Headphone Amplifier Using BD139-40

    High Power Headphone Amplifier Using BD139-40

    Posted Apr 25, 2013 By Extreme Circuits

    Firstly, I’d like to stress that the intended use of this circuit is only one of many possible applications. Apart from the obvious usage as a…

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  • Dual Power Supply For Amplifiers

    Dual Power Supply For Amplifiers

    Posted Apr 25, 2013 By Extreme Circuits

    A power supply suitable for use with the 60W amplifier presented in the predeeding project is perfectly simple, and no great skill is required to…

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