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DIGITAL ELECTRONICS

FULL COURSE FOR DIGITAL ELECTRONICS WITH EXAMPLES AND ANSWERS LEARN AT HOME

16 items

DIGITITAL ELECTROCI

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R165

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YOU WANNA LEARN Introduction 1.2 TheBinaryNumberSystem 1.3 BaseConversions 1.4 BinaryAdditionandSubtraction 1.5 Sign-MagnitudeRepresentation 1.6 BinaryCodes 9 Section 2 − Combinational Logic 2.1 TruthTables 2.2 CombinationalGates 2.3 GateImplementation 2.4 PhysicalRepresentationofBinaryS...

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DIGITAL ELECTRONICS

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Boolean Algebra Thetwo-valuedsystemofalgebrawasinventedbyGeorgeBoolein1854.Alsocalledswitchingalgebra

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DIGITAL

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Switching Device Characteristics

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DIGITAL

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Gate Implementation Last time we discussed the CMOS inverter:

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Combinational Logic

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Digital Circuits • Digitalcircuitscanbedescribedintermsofcombinationallogicorsequentiallogicorboth.Inacombinationallogic,theoutputofadigitalcircuitatanygiveninstantoftimeiscompletelydeterminedbytheinputspresentatthatparticulartime.Examplesofcombinationalcircuitsincludelogicgates,NANDgate,NOTgate...

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Simplifying Binary Representation

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Simplifying Binary Representation Asthemagnitudeofnumbersincrease,binaryrepresentationbecomescumbersome.Base2isanaturalsystemforbinarymachineslikecomputersbutistediousforhumans. Inordertoreadbinarynumberseasilyweusebase8(octalnumbersystem)andbase16(hexadecimal). Sincebinary,octalandhexadecimalnum...

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real world design

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Real World Design For more complex combinational problems with a larger number of inputs, one can resort to the use of aminimization algorithm, such as Quine-McCluskey.

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Karnaugh Maps

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A prime implicant of a logic function is a normal product term that cannot be reduced further, obtained from the circled 1s. A minimal sum is a sum of prime implicants.

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Real World Design

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For more complex combinational problems with a larger number of inputs, one can resort to the use of a minimization algorithm, such as Quine-McCluskey. In practice however most designs are implemented using programmable Ics.

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Registers

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A register is collection of binary storage cells capable of holding binary information. Since flip-flops are memory elements capable of storing binary information, so a group of flip-flops working together constitute a register. To form an n-bit register, n flip-flops are required. Registers compri...

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Counters

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Counters are circuits or networks which count pulses. It is important to define a few terms used in describing various circuits or networks. A sequential circuit is said to be a Moore machine or Moore network if its output is a direct function of its present state only and not of its input.

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Setup and Holds times

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J-K FLIP FLOP

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Note on Tri-state Devices

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We talked about the two binary states. We also talked about enabling outputs. Effectively this gives a third state called the off or high impedance state. We refer to this as tri-state logic Example: A 5-bit DAC has a current output such that a digital input of produces an output of 10 mA. What...

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Note on Tri-state Devices & Digital to Analog Conversion

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We talked about the two binary states. We also talked about enabling outputs. Effectively this gives a third state called the off or high impedance state. We refer to this as tri-state logic Digital to analog conversion is the process of taking a value in digital code format (straight binary, ...

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References for Digital & Analog Conversion,Real World DACs,Matching Resolution & ExampleS

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Wakerly doesn’t cover this section For the notes we used Rizzoni, (Principles and Applications of Electrical Engineering, Giorgio Rizzoni, 3rd, revised 4th or 5th edition) and Tocci/Widmer (Digital Systems – Principles & Applications, Ronald J Tocci & Neal S Widmer, 8th edition). Copies of ...

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Electronic Measurement Systems

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Understand basic measurement principles Look at a typical instrumentation system Usually some amplification of the sensor signal is needed

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