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Q. Explain the basic principle of linear sweep voltage generator
A linear time base generator or sweep generator is one that provides an output waveform, a portion of which exhibits a linear variation of voltage or current with time. The voltage - time base circuit finds a major application in CRO. Among several methods to achieve sweep linearity, the Miller circuit and Bootstrap circuit are commonly used. In the Miller circuit, an operational integrator is used to convert a step into a ramp waveform. In the Bootstrap circuit, a constant current is approximated by maintaining nearly constant voltage across a fixed resistor in series with a capacitor.
Octal to binary Conversion Conversion form octal to binary is the reverse of this process. Express each octal digit in three bit binary equivalent. Ex. Convert 3576
Q. Draw the circuit of a two stage RC coupled amplifier?
Absorption of radiation If an atom is initially in a lower state 1, it can rise to a higher stare 2 by absorbing a quantum of radiation. Photon of frequency v where E 1 and E
What is meant by polling? In polling schemes, a set of address lines is driven by the controller to address every of the masters in sequence. When a bus request is received fro
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
Suppose the ambiguity function of some waveform x ( t ) of duration ζ = 1 millisecond is given by (NOTE: this is not a possible AF because it is not time-limited to
AC Operation of an iron core Hence, if a wattmeter were used to measure the power delivered over a full period of the waveform (which will also b
Avalanche Breakdown: This type of breakdown takes place when both sides of junction are lightly doped and consequently the depletion layer is large. In this case, the electric
how emitter current equal to collector current
In the previous two years, a lot of innovation has come in the mobile computing world. Apple has launched very imaginative mobile phone, iphone and ipad along with app store. Googl
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