RFECHO Power Amplifier from 0.01GHz to 22GHz£¬RFECHO power amplifier can perfectly linearly amplify the input signals in a wide dynamic range within a frequency band.the application of Wide Band Medium Power Amplifier is expanding from military to civilian, and now it has broad application prospects in wireless communication, ITS communication technology, mobile phone, direct broadcast satellite receiving (DBS), satellite communication network, 5G communication, RF Microwave & VSAT, Test and measurement Instrument, Global Positioning System (GPS) and millimeter wave automatic collision avoidance system, etc., and broadband also plays an important role in optical transmission systems.\nIn the fields of wireless communication, electromagnetic compatibility testing and scientific research, there is a great demand for RF and microwave broadband amplifiers, and these fields have different requirements for broadband amplifiers, especially in the application of communication systems, which have special requirements for broadband low noise and performance indicators of power amplifiers.