MIXING TUTORIAL – Frequencies Explained & Basic Sound Theory In this tutorial made by Wickiemedia, you are going to learn the basics of sounds and frequencies. A really awesome animated tutorial and the first step to understanding spectral processors like filters and equalizers. Hope it helps ! If you find this tutorial useful, feel free to support Communicasound by liking the Facebook page and sharing it with your musician friends ♥. CommunicaSOUND selects only the best free tutorials for learn

Frequency Mixer - Mathematical Derivations and its Importance in Superheterodyne EMI Receivers

This simulation is of a Diode Mixer, commonly used in RF and communication systems for frequency conversion. It combines two input signals—an 8 MHz local oscillator (LO) and a 7 MHz radio frequency (RF) signal—using nonlinear components (diodes) to produce sum and difference frequencies (e.g., 1 MHz and 15 MHz). The waveform section shows the individual inputs and the mixed output, which contains these new frequency components. Such mixers are essential in superheterodyne receivers for downconve