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Q. Consider the 4-bit R-2R ladder D/A converter with Vref =-10 V. Determine the analog output voltage when the binary input code is 1100. Also, find what reference voltage is to be used in order to obtain the corresponding decimal output voltage.
Explain electric polarization. Electric polarization : This polarization density is the vector field such expresses the density of permanent or induced electric dipole momen
Q. Draw the basic structure of an SCR and the common circuit symbol ? The SILICON CONTROLLED RECTIFIER, usually referred to as an SCR, is one of the families of semiconductors
Q. What is the speciality of a darlington transistor? A darlington pair behaves like a single transistor with a very high current gain. The total gain of the darlington is the
Why are waveguides not used at low frequencies?
Q. Digital controller for a steam-turbine driven generator? Figure illustrates the basic elements of a minicomputer system in terms of a block diagram for speed and voltage con
What is ideal and real sources? Source conversion? Nodal voltage method for d.c circuit?
Q. The self-inductances of two coupled coils are L 11 and L 22 , and the mutual inductance between them is M. Show that the effective inductance of the two coils in series is give
transformer voltage induced in armatur of ac commentator machin in case tha field flux in sinosoidal?..
Q. Show Noise and Stability of operational amplifier? Noise This refers to the small, rapidly varying, random spurious signals generated by all electronic circuits. Noise
Simplified operation: Figure: Simple circuit to show the labels of a bipolar transistor. The essential value of a transistor comes from its capability to make use
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