The frequency discrimination circuit and the circuit for frequency discrimination are called frequency discriminators, also called frequency detectors. The commonly used frequency discriminating circuit has a proportional frequency discriminating circuit and a phase discriminating circuit. Their working principles are the same. First, the equal-amplitude frequency-modulated wave is first transformed into an amplitude-modulated amplitude-modulated wave whose amplitude changes according to the modulation signal law, and then the amplitude detector is used. The change in amplitude is detected to obtain the original modulated signal. Pharmaceuticals,2-Methyl- Propanoic Acid Monohydrate Price,2-Methyl- Propanoic Acid Monohydrate Free Sample,Pure 2-Methyl- Propanoic Acid Monohydrate Zhejiang Wild Wind Pharmaceutical Co., Ltd. , https://www.wild-windchem.com