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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. Draw the common source drain and transfer characteristics of a JFET. How are they useful? The graph below shows variation of the drain current Id as a function of the drain
design a single phase circuit from a supply point to a load
Q. Illustrate Signal attenuation? Signal attenuation in many channels can be offset by using amplifiers to boost the signal level during transmission. However, the amplifier al
Q. How does current flow through the channel of a JFET after pinch off? It is seen that above the pinch off voltage at a constant value of VDS (saturation drain current, ID inc
Write explanatory notes on Paging. The memory paging mechanism located inside the 80386 and above permits any physical memory location to be allocated to any linear address. Th
Number Systems Various number systems are decimal ( used by human beings) binary ( used by digital systems) octal and hexadecimal (used to represent binary numbers in small
Describe the uses of GPS map This is far safer because a driver of a vehicle doesn't have to consult maps while driving. It also removes error (for example going the wrong way
0PERATION OF POWER TRANSMISSION (SPEED GOVERNORS)
Ask question #Minimum 100 wThe voltage v across a capacitor at time t seconds is given by the following table. Use the principle of least squares to fit a curve of the form v = ae
Q. A shift register can be used as a binary (a) divide- by-2, and (b) multiply-by-2 counter. Explain. Q. Show a block diagram of a 4-bit shift-right register using JKFFs.
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