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q explain the applications of emitter followerbecause of high input impedance and low output impedance an emitter follower is capable of transferring
q what is thermal runaway state one method to prevent the samethe effect of changes in leakage current ico and current gainb on the dc bias point
q why ce configuration is widely used in amplifier circuitthe main utility of a transistor lies in its ability to amplify weak signals the
q describe transistor stability parametersthe two parameters aremiddot the stability factor kmiddot stability measureszlig1these parameters determine
q explain the significance of the coupling capacitor and the re - ce circuitthe function of the coupling capacitor is to isolate the amplifier input
q why do we cascade amplifiers why is rc coupling the most widely used coupling between 2 stages of a cascading amplifierthe voltage or power gain or
q explain the bandwidth for the curve and the applications of an rc coupled amplifierfrequency response curve of an rc coupled amplifier was shown
determine the minimal sum of products for the boolean expressionobtain the minimal sum of products for the boolean expression f12378910111415 using
explain tabulation method for simplifying k mapsthe tabulation method quine-mccluskey minimizationan expression is represented in the canonical sop
define the dont care states - simplifying k mapsthe truth table specifications for a logic function may not to include all possible combinations of
define rules for reducing karnaugh mapsthe rules for reducing karnaugh maps k- maps are as followsall of the 1s in the karnaugh map are called as
explain simplifying the sop f the boolean expression using the k-mapto simplify the sop of the boolean expression using the k map first identify all
q explain the working of a darlington pairthis is two transistors connected together so that the current amplified by the first is amplified further
q i what are the different types of plots for frequency response in an rc coupled amplifier ii what is a bode plot what are its usesthe
q in an amplifier the maximum voltage gain is 1500 and occurs at 1khz it falls to 10605 at 20khz and at 20hz determine i lower cut-off frequency ii
define rules for evaluating the boolean expressiongenerally the following rules must always be followed when evaluating the boolean expressionprimary
how to calculate the logic circuit outputsonce the boolean expression for a circuit output has been acquired the output logic level can be determined
q show output characteristic of common emitter configurationoutput characteristics this family of curves may be divided into three regions just as
explain the product of sum form - standard formsthe pos is the boolean expression containing or terms called as sum terms the product denotes anding
explain the sum of product formin the boolean algebra a product is produced by anding two or more variable inputs product of the two variables is
define minterm and the maxterm - canonical form any boolean expression perhaps expressed in terms of either minterms or maxterms the literal is a
q what do you mean by common collector configurationcommon collector configurationin this circuit the collector is common to both the input and the
q illustratecommon base configurationcommon base configuration in this circuit the base is common to both input and the outputsuch a configuration is
q explain common emitter configurationcommon emitter configuration in this circuit the emitter is common to both input and the outputsuch a
q mention the three transistor configurationsthe three transistor configurations are1common emitter configuration2common base configuration3common