New posts in Rf

What does the rectifier do in a crystal radio?

Eliminating mains hum from frequency modulated RF LC oscillators

Why do some EMI/RF shields have holes on the top and some don't?

The reason for using air coils in LC tank circuits

What are the drawbacks of transmitting RF frequencies through an antenna that is designed for different frequency?

Antenna Matching Network

Intermediate frequency

Why does my GPS and Wi-Fi work inside a sealed copper clad box?

Does the impedance of a PCB track matter if the length of the track is far smaller than the wavelength of the signal?

How to design wide band amplifiers?