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Q. In an AM transmitter that transmits a total power of 1 kW, the unmodulated carrier power is 850 W. Compute the required value of (Si /Ni )AM at a receiver, if (S0/N0)AM = 2ηAM(Si /Ni )AM must be 103 for good performance.
Q. A filter is a network employed to select one range of frequencies while rejecting all other frequencies. A basic building block often used in integrated-circuit filters is shown
The arm of a hydraulic robot is controlled as shown in the block diagram below: The arm dynamics are represented by: Dynamic specification for the arm requires:
Explain the working principle, Surface finish, material removal, accuracy,advantages and application of Electrochemical Grinding(ECG). (a) In electro chemical machining of pure
The material with lowest resistivity is (A) Constantan. (B) Silver. (C) manganin. (D) nichrome. Ans: The material with lowest resist
An audiomessage is band-limited to 15 kHz, sampled at twice the Nyquist rate, and encoded by a 12-bit natural binary code that corresponds to Lb = 212 = 4096 levels, all of which s
Q. Explain, with the aid of diagrams, the following in relation to the construction of power transformers. Include the advantages and disadvantages in your description. a) Core
Q. Counter-controlled analog to digital converter? Figure shows the block diagram of a counter-controlledA/Dconverter. Resetting the binary counter to zero produces D/A output
Static Electricity : This is produced when two substances are rubbed together; the substances may be solids, liquids, or gases. Typical sources of static electricity are: i) dr
Can we use ohm''s law for AC CIRCUITS?
Q. Show the boundary of a Word? The boundary of a Word is defined as either 16-bits or the size of the data bus for the processor, and a Double Word is Two Words. so, a Word an
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