How can an oscillator’s microphonic responses be reduced?

Microphonics refers to the phenomenon where mechanical vibrations or physical shocks are inadvertently converted into electrical noise, much like a microphone. In an oscillator, vibrating components can slightly alter the physical spacing of coils or capacitor plates, causing unwanted frequency modulation and instability. The most effective way to prevent these mechanical vibrations from affecting the sensitive RF circuit is to mechanically isolate or damp the oscillator circuitry from the rigid enclosure. This is typically done using shock mounts, rubber grommets, or potting compounds. While reducing power supply noise or using NP0 capacitors are excellent practices for electrical noise and thermal stability respectively, they do absolutely nothing to cure mechanically induced microphonics.