In the radio signals amplification, these transistor amplifiers are utilized.ģ. It can be used in long-distance communication because the intensity of the signal obtained at the output will be high.Ģ. Transistor working as an amplifier has various advantages and applications in the field of electronics and communication. Hence the whole functionality of the transistor is completely dependent on the biasing applied to the transistor.Īpplications of Transistor as an Amplifier The design of the transistor by this kind of bias makes the transistor circuit more stable. If the output of the single-stage is given as the input to the transistor that is interconnected to it then it becomes a multi-stage amplifier. The transistor at the input side having a resistor makes it a single-stage amplifier. This kind of bias is most frequently used in the amplifiers that are designed with the help of BJT. The input side can be consists of the resistor connected in such a way that it forms a potential divider circuit. Specifically, the common-emitter configuration is chosen because of its gain capacity. It is considered too be the most frequently used one. The electronic circuits generally utilize the N-P-N type of BJT. In order to achieve efficiency it can be designed in the form of stages they are single-stage, multi-stage, etc… Project They are class A, class B, class AB, class C, and class D, etc… lastly the amplifiers designed based on its main factor called efficiency. Secondly, the classes of the amplifiers classified based on the input applied and the output collected. They are firstly the Bipolar Junction transistors that classified as a common base, common emitter, and the common collector as its configurations. There are various type of amplifiers exists. In this way, the transistor works as an amplifier. The considered output is taken across the resistor that acts as a load which is connected in between the collector and the base.Īs the low resistance is present at the input side in the circuit designed the signals of low strength have been applied at the input and the output generated will be evident with the strength of its signal obtained. Because the junction present in between them is considered to be in forwarding bias mode. In this configuration, the voltage is applied at the base and the emitter terminals. Let us consider a circuit of an amplifier designed with the basic common emitter configuration. In order to satisfy the parameters and the design considerations generally, the configuration of the common-emitter is utilized in the amplifier applications. Overall the circuit designed here acts as an amplifier. In this way, the low value of the signal is applied at the input because of the internal circuitry design the output signal generated possesses the strength of the output signal as high.
Even the DC voltage can be applied to the circuit.
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