# Author archives: chetna.sahoo

• ### Binary Operation (Digital Electronics) No ratings yet.

Feb 8, 18 • 2092 Views • Engineering, Engineering Notes, Engineering Sample Papers, Gate, GATE Syllabus, General, Notes2 Comments

• ### Frequency Division Multiple Access No ratings yet.

May 28, 13 • 5012 Views • Engineering Notes, Notes3 Comments

Frequency Division Multiple Access is defined as the division of the frequency band allocated for wireless cellular telephone communication of 30 channels, each of which can carry a voice messages with digital service,carry digital data. Frequency division

• ### Introduction to common base configuration of Transistor No ratings yet.

May 28, 13 • 30084 Views • Engineering Notes, Notes8 Comments

Common Base Configuration The common base terminology is derived from the fact that the base is common to both the input and output sides of the configuration.The base is usually the terminal closest to,or at,ground potential. The figure below showing the

• ### Amplitude Modulation No ratings yet.

May 26, 13 • 4933 Views • Engineering Notes, Notes4 Comments

Amplitude Modulation In Process of amplitude modulation the amplitude of the carrier is varied in proportional to the instantaneous value of the baseband signal with the frequency and phase of the carrier remaining constant. In this Process or  case the

• ### Frequency Modulation No ratings yet.

May 26, 13 • 3465 Views • Engineering Notes, General, NotesNo Comments

Frequency Modulation Let us consider the baseband signal f(t) and the unmodulated carrier ec(t)=Ecsin(wct+θo) Before modulation the instantaneous frequency of the carrier was fc during frequency modulation fc α f(t) fc =kf f(t) kf=proportionality constant

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### Top CBSE schools in West Tripura No ratings yet.

May 24, 13 • 5253 Views • CBSE Schools, Top Schools4 Comments

As education is become very important fact in today’s life or scenario. In West Tripura education system is very efficient so there is many CBSE Schools who provides the quality education to their students. There are many top CBSE schools in West

• ### NAND gate-Truth Table No ratings yet.

May 3, 13 • 1397 Views • Engineering Notes2 Comments

NAND gate Literally NAND gate is a circuit that is energized when any one of its inputs is not energized. In digital electronics, a NAND gate (Negated AND or NOT AND) is a logic gate which produces an output that is false only if all its inputs are true. A

• ### Analysis of magnetic circuits of Transformer No ratings yet.

Apr 28, 13 • 1059 Views • Engineering Notes2 Comments

Transformers Transformers are commonly used in applications which require the conversion of AC voltage from one voltage level to another. There are two broad categories of transformers: electronic transformers, which operate at very low power levels, and

• ### Thevenin’s Theorem No ratings yet.

Apr 28, 13 • 1012 Views • Engineering Notes2 Comments

THEVENIN’S THEOREM Thevenin’s Theorem states that “Any circuit with sources (dependent and/or independent) and resistors can be replaced by an equivalent circuit containing a single voltage source and a single resistor.” Thevenin’s theorem implies

• ### Superposition Theorem with example No ratings yet.

Apr 27, 13 • 1527 Views • Engineering Notes2 Comments

SUPERPOSITION THEOREM This theorem finds use in solving a network where two or more sources are present and connected not in series or in parallel. Statement of superposition theorem If a number of voltage or current sources are acting simultaneously in a