LTSpice FFT and Gaussian window Sigma - Simulation of a low-noise audio preamp prototype (proof of concept)

LTSpice simulation of a 6dB vs 12dB Loudness filter

Fast Fourier Transform — some thoughts (romanian)

Putere efectivă (Efficient Power)

Undersampling (romanian) — some notes about undersampling below Nyquist rate

Some DDS–related literature (english + notes in romanian)

LTSpice Negative Feedback Simulation