Susanne Nell

Susanne Nell

Areas of interest of the author: Supply Measurement Light Oscillators Power Audio Analogue Design

Publications on RadioLocman by the author Susanne Nell:

  1. Open-collector output provides fail-safe operation
    It is common practice to use digital open-collector outputs for control units in industrial...
    Jan 12, 2023
  2. Improved current monitor delivers proportional-voltage output
    This Design Idea expands the capabilities of a previously published one (Reference 1). The...
    Nov 23, 2022
  3. Frequency Comparator has Status Output
    The original application for the circuit in Figure 1 was to check the number of revolutions of...
    Apr 20, 2021
  4. Voltage-to-Current Converter Drives White LEDs
    You sometimes need to drive a white LED from one 1.5 V battery. Unfortunately, the forward...
    Feb 12, 2021
  5. Multilayer Capacitor Doubles as Varactor
    The main purpose for building the circuit in Figure 1 is to study the idiosyncrasies of X5R, Z5U,...
    Jan 29, 2019
  6. Linear Regulator=Low-Cost DC/DC Converter
    The circuit in Figure 1 is a good choice if you need a power supply with high efficiency and you...
    Feb 1, 2017
  7. Circuit Combines Power Supply and Audio Amplifier
    The circuit in Figure 1 can help if you must transfer dc power and audio over a pair of copper...
    Apr 4, 2016
  8. Low-Cost Current Monitor Tracks High DC Currents
    To measure high levels of direct current for overload detection and protection, designers...
    Oct 22, 2015