Impedance Matching using Half Sections: While connecting number of different sections in the filter, it is very important to match the impedances of the sections at the junction points. Thus…
Impedance Matching and Tuning in Waveguide: We know that suitably chosen series or parallel pieces of transmission line had properties which made them useful for providing resistive or reactive impedances.…
Double Stub Matching: If a transmission-line matching device is to be useful in a range of different matching situations, it must have as many variable parameters, or degrees of freedom,…
Bipolar Junction Transistors (BJTs) Interview Questions and Answers: 1. Explain why BJT is a polar device. Ans. Since both of the charge carriers (electrons and well as holes) are involved in…
Multistage Amplifier Interview Questions and Answers: 1. Differentiate single stage and multistage amplifiers. Ans. When only one transistor with associated circuit is used for increasing the strength of a weak signal,…
Large Signal or Power Amplifiers Interview Questions and Answers: 1. What is meant by power amplifier? Ans. Power amplifier is meant to raise the power level of the input signal and…
Feedback Amplifier Interview Questions and Answers: 1. What is feedback in amplifiers? Ans. The process of combining a fraction of output energy back to the input is called the feedback. 2.…
Satellite Communication System - Definition, Block Diagram, Advantages and Disadvantages: A satellite communication channel provides broad-area coverage in a continental as well as intercontinental sense. Moreover, access to remote areas…