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Q. Show NPN Common Collector Amplifier?
The common collector amplifier, often called an emitter follower since its output is taken from the emitter resistor, is useful as an impedance matching device since its input impedance is much higher than its output impedance. It is also termed a "buffer" for this reason and is used in digital circuits with basic gates.
Explain the operation of 8279. Explain the following terms: (i) N key Roll over. (ii) Key board debounce. (iii) FIFO RAM. Ans The 8279 microprocessor i
Consider the magnetic circuit of Figure with an air gap, while neglecting leakage flux. Correct for fringing by adding the length of the air gap l g = 0.1 mm to each of the other
If a current of 20A flows for five minutes, find the quantity of electricity transferred. Quantity of electricity, Q = It = 20 x 5 x 60 = 6000C
Q. Why CE configuration is widely used in amplifier circuits? The main ability of an transistor lies in amplifying weak signals. The transistor cannot alone perform this functi
Figure 1(a) shows a simple one-stage MOSFET amplifier. The input-output relationship is graphed in Figure 1(b), where the solid curve indicates operation in the saturated region an
industrial approach of speed control of dc series motor
Merits and demerits of? AC and DC onboard ship
Cointruct and simulate using multisim software a series voltage regulator to supply 1A to a load at a constant voltage of 9V. The supply voltage to regulator is 15V±10%. The minimu
'Electrical drives' is a general term that is commonly used to describe both DC and AC excited motors that provide continuous rotary motion, whilst 'electrical actuators' provide l
Verify the resistance of 1200 m of copper cable having a diameter of 12 mm if the resistivity of copper is 1.7 x 10-8 Ωm
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