What is PAM, LNA and DRA?
PAM (Power Amplifier Module) PA uses a specific chip or module because it is noise source to have high thermal nature, integrated with other elements. PAM is module chip which makes to integrate MMIC Die, In/Out Matching and Basic Bias Elements above chip. There is not only MMIC Barechip in the package, but also when it mounts Microstrip and LC elements in system, we can use it if it has power supply and a few elements without sophisticated matching process. It generally called PAM, PA module which is mounted in system. LNA (Low Noise Amplifier) An electric power received by RF Receiver has very low power level because of Distortion and Noise. So an amplifier needs amplification function which minimizes the noise because the signal includes many noise components from the outside. LNA is designed to control operating point and matching point, also it needs 1.5 2.5 the value of NF(Noise Figure). Low noise amplifier should use the minimum of current and temperature noise elements, which t
