Cor van Rij

Cor van Rij

Cor van Rij

Cor van Rij blew his first fuse at 10 under the close supervision of his father who promptly forbade him to ever work on the house mains again. He built his first regenerative receiver at the age of 12 and his boys bedroom was decorated with all sorts of antennas and a huge collection of disassembled radios took up every horizontal plane. He studied electronics and graduated cum laude. He worked as a data design engineer and engineering manager in the telecom industry. And is working for almost 20 years as a principal electrical design engineer, specializing in analog and RF electronics and embedded firmware.

Areas of interest of the author: Oscillators Measurement

Publications on RadioLocman by the author Cor van Rij:

  1. Sweep generator with marker
    This circuit is a simple sweep generator. The sawtooth is generated by the PNP transistor and the 555. The transistor together with the 2 diodes at the base form a constant current source which charges the 330 nF capacitor. If 2/3VCC (=6 V) is reached the...
    Jan 7, 2025
  2. A two transistor sine wave oscillator
    Figure 1 shows a variation on a sine wave oscillator, it uses just two transistors and a single variable resistor to set the frequency. Figure 1. Just a couple of components are needed for a simple tunable sine wave...
    Jan 6, 2025