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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.
The field winding of a 200 V d.c. machine has a resistance of 20? and an inductance of 500mH. Calculate: (a) The time constant of the field winding (b) The value of curr
a) With the help of a neat and clean sketch illustrate the difference between relative and absolute motion measuring device. b) Discuss electromechanical methods for calculating
Sing Flag If D7 ( bit left most bit) of accumulator (which some exceptions) is 1 as a result of any arithmetical or logical operations sign flag is set ( bit corresp
A6KVA,100V/500V single-phase transformer has a secondary terminal voltage of 487.5 volts when loaded. determine the regulation of the transformer
Switching characteristics during turn on A positive gate pulse between gate and cathodeis sufficient to turn on a thyrisotr. In this period thyristor changes its stat
What are wired and wireless transmission systems? Transmission Systems: Modern long distance transmission systems can be placed under three main categories: 1. Radio Sy
1) Assume that we are given the continuous-time signal xa (t) = xa1 (t) + xa2 (t) + xa3 (t), where, xa1 (t) = 2 + cos3 (2pf1 t + p 3 ) + 2 cos(2pf2 t), xa2 (t) = 2 cos(2pf3 t)
The RAKE receiver exploits multipath channel characteristics and scrambling codes with good cross-correlation properties to realize a maximum ratio diversity combiner. Multipath pr
in industry
Explain Register Direct and Indirect data addressing mode (with examples) available in microprocessors. Register Direct Modes and Register Indirect Modes: Does not giv
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