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Q. Describe the construction of a two stage RC coupled amplifier with diagram.
A cascaded arrangement of common-emitter transistor stages is shown above. The output Y1 of one stage is coupled to the input X2 of the next stage via a blocking capacitor Cb which is used to keep the d-c component of the output voltage at Y1 from reaching the input X2. The resistor Rg is the grid leak and the plate circuit resistor is Rp. The cathode resistor Rk, the emitter resistor Re, the screen resistor Rsc, and the resistor R1 and R2 are used to establish the bias. The bypass capacitors, used to prevent the loss of amplification due to negative feedback, are Ck in the cathode, Cz in the emitter, and Csc in the screen circuit. High frequency response is limited by the presence of junction capacitances.
a. Explain the following terms: (6) (i) Persistence of vision (ii) Flicker in motion pictures b. What is meant by blanking? What is the need of blanking pulses? Compare th
Common Drain Amplifier In electronics, a common-drain amplifier, as well termed as a source follower, is one type of three basic single-stage field effect transistor (FET) am
the base of isosceles triangle and the altitude drawn from one of the congruent sides are equal to 18cm and 15cm, respectively. Find the lengths of the sides of the triangle.
Significance of form factor,why we decide the power handing capacity in transmission with the help of form factor?
block diagram of digital control system and explain each block
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1. A very narrow laser beam in air is shone into a sphere of solid glass that has a uniform refractive index n>1 and radius ? . The beam makes an angle a in air with the normal to
Power in Balanced Three-Phase Circuits The total power delivered by a three-phase source, or consumed by a three-phase load, is found simply by adding the power in each of the
Q. Explain about Differentiator? Shown in Figure is a differentiator which is obtained by replacing R1 in the inverting amplifier of Figure by a capacitor C. Assuming ideal op-
why is a delay line used in the vertical selection of oscilloscope?
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