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.

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. 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...
    26-02-2024
  2. 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...
    16-12-2020
  3. 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,...
    20-02-2017
  4. Digitally programmable resistor serves as test load
    Figure 1 illustrates a digitally programmable precision resistance that can serve as a...
    09-06-2016
  5. 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,...
    26-03-2015
  6. Precision capacitance meter
    This Design Idea presents a very accurate, yet very inexpensive, capacitance meter. It was...
    18-09-2014
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