The FM receiver module is based on the TEA5767 [1, 2] chip. It is a well-known module that could be controlled via the I2C bus. It covers the FM frequency range from 76MHz to 108MHz. At the output, it ...

Class D amplifiers have become a popular audio amplifier topology due to their high efficiency and subsequent low cost. The high current output stage is implemented using binary switches, resulting in ...

Class A devices feature a design in which the output stage passes current at all times, even when the input stage is idle. Class B devices do not pass current when the output device is idle. Class AB ...