1. Nonlinear dipoles 2. Low frequency oscillators 3. High frequency oscillators 4. The non-linear oscillator-device 5. Switched circuits 6. The astable multivibrators 7. Monostable and bistable flip-flops 8. Schmitt's rocker 9. Analog and digital and digital analog conversion
Brahim Haraoubiais University Professor. He has worked in several universities, including French and Algerian.He is the author of several publications, patent patents, and academic books published in the field of research and pedagogy.He is also Professor at the Higher School of Technology and at the Higher School of Air Defense Territory (Algiers).