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  • Exploring Op Amps

    Operational amplifiers are often misunderstood but the basis for many analog designs.

    More content from Exploring Op Amps

    182656696 © Wisconsinart | Dreamstime.com
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    Design analysis of the K2-W Vacuum Tube Op Amp’s design and operation reveals the mad science that created a commercial revolution in 1950s and 1960s analog computing.
    May 27, 2024
    105562587 © Golubovy | Dreamstime.com and EIM Technology
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    A book for hobbyists, engineers, Makers, and Arduino devs, "Fundamental Analog Circuits & Semiconductors,” with lab kits, successfully funded on Kickstarter.
    May 24, 2024
    Dreamstime_wisconsinart_1344232661
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    In the first of three parts, Andy hypothesizes that the K2-W Analog Computer Op Amp’s design has some unrevealed mad science in its input-stage design.
    May 20, 2024
    ROHM Semiconductor
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    The LMR1901YG-M offers ultra-low power consumption for battery-powered sensor amplifiers and portables.
    May 10, 2024
    Dreamstime_scharfsinn86_126237332
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    This AEC-Q100-qualified dual op amp from STMicroelectronics merges two difficult-to-combine attributes in a MiniSO-8.
    Nov. 28, 2023
    18817585 | Abstract Automotive Design © Carloscastilla | Dreamstime.com
    Car Dreamstime L 18817585
    New high-accuracy, high-stability op amps from STMicroelectronics, targeting automotive applications, work in temps up to 175°C.
    Oct. 24, 2023
    Dreamstime_-Ratz-Attila-_31147496
    Dreamstime Ratz Attila 31147496 Promo
    Members Only
    From input offset voltage to slew rate to gain bandwidth product, specifications for operational amplifiers can vary widely amongst different vendors.
    June 7, 2023
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    Here’s what you didn’t learn in school, such as how to really combine the distortion terms in cascaded amplifiers.
    May 24, 2023
    148610608 © Igor Borisenko | Dreamstime.com
    Promo Dreamstime L 148610608
    With its minimal current consumption and 150°C operating temp, the TSU111H op amp developed by STMicroelectronics delivers an unusual combination of properties.
    April 5, 2023
    Traveling-light_dreamstime_25319773
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    Wouldn’t it be great to not repeat the same amplifier application errors many new designers fall into? Read on to head off these common confusions and oversights.
    March 6, 2023
    Bo D Promo
    In a signal-conditioning op-amp application there are a number of different approaches to take—what noise and SFDR advantages might one offer over another.
    Feb. 14, 2023
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    Paul Rako revisits the varactor-input amplifier built by Bob Pease, creating his own updated version and running it through Spice simulations.
    Sept. 9, 2016
    Adc Fig 2
    Intersil's Michael Steffes details how every semi company tests new analog-to-digital converter products in the lab in order to obtain data-sheet values for SFDR and SNR, then...
    Sept. 25, 2012
    Promo
    Michael Steffes challenges conventional approaches to Sallen Key Filter design. He says today's components and VFAs offer greater flexibility. This opinion piece links to more...
    Aug. 27, 2010