Authors: R. A. Penfold

  • Operational Amplifier User’s Handbook — R. A. Penfold

    Operational Amplifier User’s Handbook — R. A. Penfold

  • More Advanced Uses of the Multimeter — R. A. Penfold

    More Advanced Uses of the Multimeter — R. A. Penfold

  • A Beginners Guide to Modern Electronic Components — R. A. Penfold

    A Beginners Guide to Modern Electronic Components — R. A. Penfold

  • Modern Op-Amp-Projects — R. A. Penfold

    Modern Op-Amp-Projects — R. A. Penfold

  • How to Interface PCs — R. A. Penfold

    How to Interface PCs — R. A. Penfold

  • Practical Electronic Music Projects — R. A. Penfold

    Practical Electronic Music Projects — R. A. Penfold