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Q. Explain Telephone hand set and it’s working ?
A standard telephone set is comprised of a transmitter, a receiver and electrical network for equalization, associated circuitry to control side tone levels and to regulate signal power, and necessary signalling circuitry. Essentially a telephone setis an apparatus which creates an exact likeness of sound waves with an electric current. Figure demonstrates functional block diagram of a telephone set. Essential components of a telephone set are ringer circuit, on/off hook circuit, equalizer circuit, hybrid circuit, speaker, microphone and a dialling circuit.
Write a short summary of the AM superhet receiver, in exacting consider how the demodulation stage works, and remark on the choice of component values used.
Q. What is a heat sink? List the factors, which determine its efficiency. To reduce the chance of thermal runaway, the rise of temperature at the collector junction to a danger
Q. In The Drain Characteristics Of FET What Does The Region At Pinch Off? Field Effect Transistors (FETs) utilize a conductive channel whose resistance is controlled by an appl
The present window that is being used.
Q. Given ¯B = (y ¯ax - x ¯ay )/(x 2 + y 2 ) T, determine the magnetic force on the current element Id ¯l = 5 × 0.001¯a A located at (3,4,2).
Using the BC548B BJT transistor amplifier biasing circuit of Lab 2 build an amplifier with the voltage gain of |A V | = 30 v/v ± = 10%. Measure all necessary parameters of the amp
Q. Show Binary Coded Decimal Number System? If we analysis single digit values for hex, the numbers 0 - F, they represent the values 0 - 15 in decimal, and occupy a nibble. Fre
What is the Meaning of Parallel In - Serial Out Shift Registers? A four-bit parallel in - serial out shift register is shown below D0, D1, D2 and D3 are parallel inputs
transformer voltage induced in armatur of ac commentator machin in case tha field flux in sinosoidal?..
The IC engine based automobiles have been built and sold for more than 100 years. Predominantly the fuels used for running these IC engines have been petrol and diesel. In recent t
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