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Q. Explain Resistance-capacitance coupling?
It is the most commonly used coupling in discrete device amplifier as it is least expensive and has satisfactory frequency response. In this method the signal developed across the collector resistor Rc of each stage is coupled through capacitor Cc into the base of the next stage of one stage from the following stage. The amplifiers using this coupling scheme are called RC coupled amplifiers.
A battery having of 5 cells with emf and internal resistance of every cell is 1.5V and 0.25Ω connected in series. If the current flow by load resistance is 1.5A, calculate the valu
Consider an RLC series circuit excited by v(t) = Ve st in the time domain. Assume no initial capacitor voltage or inductive current at t = 0. Draw the transformed network in the s
draw a developed single simplex wave winding havig 17 number of coils and 4 number of poles
Q. A noninverting op-amp circuit and its closed-loop representation are given in Figure. Obtain an expression for the closed-loop transfer function H(ω) = Y (ω)/X(ω) and comment on
why armature lamination notched in outer periphery
Tri State Devices Tri State devices have three states logic 1 logic 0 and high impedance. A tri state device ( Buffer/ Inverter) has three lines output enable as shown
Q. Why the gain of the amplifier decreases if the CE is avoided? When the ce is connected in the circuit, ac signals get bypassed through it to the ground. In the absence of Ce
Considering the TTL NAND gate circuit of Figure, with one or more inputs low, show that the output will be high.
Use delta-wye transformation for network reduction and determine the current through the 12- resistor in the circuit of Figure(a).
A 0.1µF capacitor is charged to 200 V before being connected across a 4 kΩ resistor. Determine: (a) The initial discharge current (b) The time constant of the circuit
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