Francesc Casanellas

Francesc Casanellas

Francesc Casanellas

Francesc Casanellas was born in Barcelona in 1944.

He studied 2 years of Physics at the University of Barcelona and then Electronics Engineering. He is Chartered Engineer in the U.K.

Francesc is a Chartered Engineer, Senior member IEEE, member IET. In a career that began in 1968 he has worked for a number of concerns in several European countries, prior to operating as Consulting Engineer since 2010; he has designed a very wide variety of poweroriented circuits from LED lighting to high-power motor drives.

Casanellas is the author of 15 articles and 5 patents.

Areas of interest of the author: Supply Digital Automotive Power Automation Measurement Microcontrollers Usage

Publications on RadioLocman by the author Francesc Casanellas:

  1. New slope compensation method stabilizes switchers
    In switch-mode power converters, peak current control is very popular because of its inherent...
    Jul 29, 2024
  2. Lowering quiescent current by a factor of 4 in an electronic latching switch
    The circuit in Figure 1 shows an electronic switch driven by a momentary pushbutton, which...
    Feb 26, 2024
  3. Quasiresonant converter uses a simple CMOS IC
    Figure 1 shows a flyback power supply that has low noise and uses a simple CMOS CD4093 IC for...
    Dec 16, 2020
  4. Power supply meets automotive-transient-voltage specs
    Figure 1 shows a power supply that delivers 5 V from a 12 V battery. With only a few components,...
    Feb 20, 2017
  5. Digitally programmable resistor serves as test load
    Figure 1 illustrates a digitally programmable precision resistance that can serve as a...
    Jun 9, 2016
  6. Water & vandal-proof keypad uses piezoelectric disc as sensor and buzzer
    This design was done to get a sealed keypad for very wet environments (in my particular case,...
    Mar 26, 2015
  7. Precision capacitance meter
    This Design Idea presents a very accurate, yet very inexpensive, capacitance meter. It was...
    Sep 18, 2014