Local Oscillator : Block Diagram, Circuit, Frequency & Its Uses
Electronics | Free Full-Text | Design of 300 GHz Combined Doubler/Subharmonic Mixer Based on Schottky Diodes with Integrated MMIC Based Local Oscillator
Double balanced mixer - David S. Ricketts
Local Oscillator - YouTube
Why is the lowpass-filter coming right after the local oscillator when mixing an RF? - Signal Processing Stack Exchange