It is unipolar but has similar characteristics as of its Bipolar cousins. Relationship Between the Two Current Gains is: This configuration uses one of the three circuit configurations. Vce, Therefore,             Input Resistance ( ri ) =   Δ Vcb / Δ Ib   at constant Vce. (ii) As compared to the common base arrangement, IB increases less rapidly with VBE. This is the region in which transistors have many applications. Electronics | Electrical | Mechanical | Informative Blog, Transistor basics Transistor operation  Transistor configurations Transistor oscillator circuit common emitter amplifier Darlington transistor. Ajay Kumar is graduated in Electronics and Communication Engineering is responsible for running this website. The actual functional relationship giving the base voltage (V B) from the base current (I B) and collector-emitter voltage drop (V CE) is some complicated function which we can denote: V B (I B,V CE) Basically there are three types of transistor characteristic-curves based on the configuration of the circuit. These biasing methods make the transistor circuit to work in four kinds of regions such as Active region, Saturation region, Cutoff region and Inverse active region (seldom used). Typical maximum VCB levels range from 25 V to 80 V. The current gain characteristics (also termed the forward transfer characteristics) are a graph of output current (IC) versus input current (IE). 4-25. The region along this load line represents the ‘active region’ of the transistor. Any two-port network which is analogous to transistor configuration circuits can be analyzed using three types of characteristic curves. Now, using the values obtained from different points, a graph is drawn by plotting the values of IB and VBE at constant VCE. Any two-port network which is analogous to transistor configuration circuits can be analyzed using three types of characteristic curves. What is Power Amplifier: Properties and Classifications, Phase Shift Oscillator Circuit explanation using op-amp, transistor and FET, Industry 4.0 : Industrial Maintenance to Smart maintenance System, What is Inventory? 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