Article
Sinusoidal FM LF Amplifier
Analog is not dead
Instead of converting a low-frequency analog signal to pulse-width modulation (PWM), try using the signal to modulate a high-frequency oscillator. The circuit is simple, and the signal quality benefits are impressive.
Materials
Build This Project
Bring this design to life with the Elektor PCB Service, powered by Eurocircuits. Upload the project files and order professionally manufactured PCBs or assembled boards through a proven European production platform.
Supporting KiCad, Eagle, Gerber, and ODB++ formats, the service is suitable for everything from prototypes and validation builds to series production and volume manufacturing.
Made in Europe. Fast. Reliable. Professional.

Discussion (6 comments)