Conversion of Hybrid Parameters in Transistor Three Configurations: Some transistor manufacturers provide only the four CE hybrid parameters while others provide CB hybrid parameters. Sometimes, for a specific purpose, it…
Variations of Hybrid Parameters of a Transistor: The variation of h parameters depends upon junction temperature, collector current and collector-to-emitter voltage VCE. Among these factors, the variations of Hybrid Parameters…
Determination of h Parameters from Static Characteristics: Functional relationships for the CE configuration of total instantaneous collector current and base voltage in terms of two variables (base current and collector…
Experimental Determination of Hybrid Parameters: Determination of hybrid parameters of a general linear circuit has already been discussed. For determination of hybrid parameters for a CE transistor, consider the circuits…
Transistor Hybrid Model: The basic assumption in arriving at a transistor linear model or equivalent circuit is that the variations about the operating or quiescent point are small and, therefore,…
Leakage Current in a Transistor and Breakdown Voltage: Leakage Currents: In CB circuits shown in Fig. 10.77, if emitter current is made zero, the B-C junction still remains reverse biased…
DC Equivalent Circuit of Transistor: DC Equivalent Circuit of Transistor - In the common base circuit, the emitter diode acts like a forward biased ideal diode, while collector diode acts…
Transistor approximation (Ideal, Second and Higher): An NPN transistor is shown in Fig. 10.71 (a). Voltage appearing across the emitter diode is denoted by VBE and that appearing across the…