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physics.ed-ph2013
Output stages inside a negative feedback loop: application to a low-voltage three-phase DC-AC converter for educational purposes
Francisco Llopis, Mario Jakas
The circuit presented in this paper aims at providing three 40 Vpp 50Hz AC voltages sources with 120-degree phase separation between them. This is a fully analogue circuit that use…
physics.ed-ph2005
LC sine-wave oscillators using general-purpose voltage operational-amplifiers
M. M. Jakas, F. Llopis
It has been found that some text-books show LC-oscillators that may not work as assumed. Thus, the typical example showing a LC-oscillator driven by a voltage operational-amplifier…