This application report describes the implementation of an altimeter using a fullyintegrated MCU solution with the MSP430F42x0 family of microcontrollers. An air pressure sensor is directly interfaced with the MCU-integrated 16-bit sigma/delta da

计算sigma-delta调制器输出数据的SNR及输出频谱图(Calculate SNR output data of sigma-delta modulator and output spectrogram)