Program and circuit design of simple software radio FSK based on MCU
Zheng Zhong-kai, Jiang Xue-cheng, Cai Ping · Procedia Computer Science · 2018
Modern micro control unit (MCU) has abundant internal resources as well as high work speed, for example, the STM32F103 series MCUs have 11 internal timers and work clock of up to 72MHz or even higher, with a low price of only 1-2 dollars. In many low-speed and close-range wireless application circumstances, we incline more to use MCU by means of software radio than to use wireless communication hardware, to accomplish communication in a more free, convenient and economical way, which is especially suitable for ASK and FSK communication modes.