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Q. What is Open-loop voltage gain?
The op amp amplifies the difference vd between the voltage on the noninverting (+) terminal and the inverting (-) terminal; see Figure. The term "open loop" implies that there is no external feedback connection between the output and either of the inputs. A is defined as the ratio of the change in output voltage to the change in differential input voltage, usually for a load resistance of no less than 2k. A typical value for A is 2 × 105.
Q. In an AM transmitter that transmits a total power of 1 kW, the unmodulated carrier power is 850 W. Compute the required value of (S i /N i )AM at a receiver, if (S 0 /N 0 )AM
An 12µF capacitor is connected in series to a 0.5M? resistor across the dc voltage supply of 240V. verify: (a) Time constant (b) Initial charging current (c) Time fo
Charge density In a semiconductor
Features of tariff policy: For projects whose tariff is determined by performance- based cost of service regulation, the advantages of decreased tariff after full depreciation
a 49pf cap,a 50 uH inductor, and a 100 ohms resister are in parallel: what is the resonance freq? And what is the complex impedance vector at 100MHZ?
Framework for Indicators in Electricity Sector A framework has been developed and a set of core indicators for electricity Sector has been proposed. In the first example, mapp
Q. A two-winding system has its inductances given by where k 1 and k 2 are constants. Neglecting the winding resistances, derive an expression for the electric force when
Q. Considering the circuit shown in Figure, sketch v(t) and the energy stored in the capacitor as a function of time.
Name the switching schemes used in a digital exchange
why is delay line used in vertical deflection on systems of CRO?
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