This article reviews the development of electronic devices used over the last century in wireless communication. It looks at early receiving devices such as the coherer, the magnetic detector and the cat's whisker, progressing to the thermionic valve, the semiconductor, the microchip and digital signal processing.
This article reviews the development of electronic devices used over the last century in wireless communication. It looks at early receiving devices such as the coherer, the magnetic detector and the cat's whisker, progressing to the thermionic valve, the semiconductor, the microchip and digital signal processing.
