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Q. Can you explain Noninverting Amplifier?
It is called "noninverting" because there is no sign inversion. A typical circuit is shown in Figure. With a finite op-amp gain Ao,
Since the ideal op amp draws no current,
i1 = i2
Also, as seen from Figure,
v2 = vi
In equating Equations, one gets
which is the gain of an ideal voltage follower. The same result applies if R1 →∞ (i.e., open circuit) for any finite R2.
Explain Sampling at the Nyquist Rate? What would happen if we reduced the sampling frequency? In the time domain, we would be getting less samples for each period. In the frequ
What is the significance of "4-20 mA" signal in hart protocol? Ans) the HART protocol is an old Frequency Shift Keying way of distribution data, typically from highway sensors.
Common-base configuration: The common-base that is abbreviated as CB transistor configuration, which is as well termed as the 'grounded base' configuration, is displayed in
i have to design a project title "Edge determining techniques for Low quality images in different lighting conditions and we use matlab for images simulation by changing different
A very widely used alternative form of synchronous motor is the ' indu c tion motor'. This has the advantage that it does not require an auxiliary motor to run the rotor up t
Q. Determine the current I through the 10- resistor of the circuit of Figure by employing the node-voltage method. Check by mesh analysis.
Q. Advanced Mobile Phone System? Cellular systems employed cells with a radius in the range of 5-18 km. The base station usually transmitted at a power level of 35 W or less, a
Define Gain and Phase Responses? Expressing H(e j? ) in polar form as: H (e j? ) = G (?) e jφ(?) G(?) is the "gain" of the discrete-time system and φ(?) is the "phas
Q. What are frequency response curves? How are they made? Every amplifier has a frequency-response curve associated with it. They provide a "picture" of the performance of an a
With respect to serial communication define the parity. Besides the synchronization given by the use of start and stop bits, an additional bit termed as a parity bit may opt
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