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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. Physical operation of the junction of diode? The physical operation of the junction can be described in terms of the charge-flow processes. Usually there is a greater concen
For the RC phase-shift oscillator if c=1pF and R=10K determine the value of Rf
R-2R LADDER CONVERTER Figure shows a 4-bit R-2R ladderD/Aconverter,which contains a reference voltage source, a set of four switches, two resistors per bit, and an op amp. The
1. Explain the construction and working of Calomel electrode 2. Derive an expression for the electrode potential of a glass electrode. 3. What are ion selective electrodes
State the postulates of Bohr''s atomic model. Write any three merits and demerits.
Q. Consider the circuit shown in Figure in the time domain aswell as in the s-domain. Its transfer function V 2 (s)/V 1 (s) can be shown to be which is a second-order bandpass tra
A dc machine, operating as a generator, develops 400 V at its armature terminals, corresponding to a field current of 4 A, when the rotor is driven at 1200 r/min and the armature c
Absolute permittivity (ε): Permittivity is a capacitance or ability to kept energy of a capacitor. A force was also generated, called as electric force and the symbol. It d
Q. Determine the equivalent capacitance at terminals A-B for the circuit configurations shown in Figure.
State the significance of LOCK signal in 8086? If 8086 is working at maximum mode, there are multiprocessors are there. If the system bus is given to a processor then the LOCK
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