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Q. What is the need for bias stabilization in BJT?
BJT or bi-polar junction transistor is a three terminal, two junction semiconductor device and the conduction is due to the majority and minority carriers, hence it is a bi-polar device. BJT amplifies the electrical signal as they transferred from the input to the output. A few advantages of the BJTS are given below
· Low current requirement
· Small size
· Less weight
· Long operating the shelf life
· Rugged in nature
Digital Systems 1. Describe the working of Binary comparator (Magnitude comparator) a. Define Binary comparator b. Binary comparator working process with logical diagrams 2.
Forward Voltage Triggering If V a is increased the collector to emitter voltages of both transistor are also increased. Hence the leakage current at J 2 increase. This
For the 3-bit 2 n -R D/A converter of Figure, calculate the analog output voltage when the input is (a) 100, and (b) 010. Solution a. For the binary input 100, switches con
Effect of Frequency a.From equation for given H p and μ P v α √f b.From equation the depth of penetration for a given material δ α 1/ √f c.From equation hyst
A 6 V / 2.5 mA relay is connected in the output stage of a transistor. The coil is made of aluminium having α = 0.004. The resistance of the coil is 600 ? at 32 o C. Calculate th
difference between path fuction and point fuction
Write a short note on dispersion shifted and dispersion flatted fibers? The dispersion features of a fiber is display below: The overall dispersion is the sum of materi
1) Draw the state diagram for the state machine described by Table 7.5 in the text. Note, the table shows the transition to the next state S* from the current state S for the next
Fly Back Converter In fly back converter an inductor is used is primary winding of transformer. Inductor stores the energy when unregulated DC input is given to the
Q. What do you mean by Superposition and linearity? Mathematically a function is said to be linear if it satisfies two properties: homogeneity (proportionality or scaling) and
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