digital electronics and logic design book pdf

... the dialog and the AutoCAD 2009 drawing area appears showing the four viewport layout. 6. Click in each viewport in turn and Zoom to All . Please purchase PDF Split-Merge on www.verypdf.com to ... tool and in the centre of the plate construct a box of Width ϭ 60 , Length ϭ 60 and Height ϭ 30 . 7. Call the Cylinder tool and in the centre of the box construct a cylinder of Radius ϭ 20 and ... and, with the Move tool, move the box and its hole into the correct position with regard to the plate. 10. With Union , form a union of the plate and box. 11. Click in the Front viewport and

Ngày tải lên: 21/01/2014, 23:20

... Osamu Sudoh (Ed.) Digital Economy and Social Design Osamu Sudoh (Ed.) Digital Economy and Social Design Springer Osamu Sudoh, Dr Professor Graduate School ... sustain the development of society and the economy, whether or not new technological innovation will aggravate inequality, and what skills, techniques, and institutional design will be required to ensure ... Part I: The Macro and Micro Economic Aspect The Knowledge Network in the Digital Economy and Sustainable Development Osamu Sudoh Controllability of Technological Paradigm Shift and Sustainable

Ngày tải lên: 11/05/2018, 17:03

... The 16 faults now appear as SA0 and SA1 faults on the outputs of P and R and on each of the three inputs to S and T. The SA0 faults at the inputs of AND gates S and T are equivalent to a single ... active when a logic 1 is present on its enable pin. Bufif0 is active when the enable signal is a logic 0. Other Verilog primitives in the above listing include buf, and, or, and nand. Any Verilog ... general; it could describe almost any design project. The circuit being designed may be constrained by rigid design rules or it may be free form, with the logic designers permitted complete freedom

Ngày tải lên: 09/08/2014, 16:20

... between analog and digital electronics. • Understand the concept of HIGH and LOW logic levels. • Explain the basic principles of a positional notation number system. • Translate logic HIGHs and LOWs ... between analog and digital audio reproduction? 1.2 Digital Logic Levels Logic level A voltage level that represents a defined digital state in an electronic circuit. Logic HIGH (or logic 1) The ... voltages in a digital system with two logic levels. Logic LOW (or logic 0) The lower of two voltages in a digital system with two logic levels. Positive logic A system in which logic LOW represents

Ngày tải lên: 14/08/2014, 10:22

... Logic Functions: NAND, NOR, XOR and XNOR Overvie w ° More 2-input logic gates (NAND, NOR, XOR) ° Extensions to 3-input gates ° Converting between sum-of-products and NANDs • SOP to NANDs • NANDs ... DeMorgan’s Theorem Alternate Logic- Gate Representations Standard and alternate symbols for various logic gates and inverter Invert each input and output of the standard symbol, This is done by ... Theorem YZ Distributiv e Law NOR Gate and Laws NAND Gate and Laws Summary ° Basic logic functions can be made from NAND, and NOR functions ° The behavior of digital circuits can be represented

Ngày tải lên: 12/02/2020, 15:41

... ° Data can move from register to register ° Digital logic used to process data ° We will learn to design this logic Register A Register B Digital Logic Circuits Register C Transfer of Information ... Digital Logic Design Lecture Complements, Number Codes and Registers Overvie w ° Complement of numbers • Addition and subtraction ° Binary coded decimal ... will learn to use and design these components Summary ° 2’s complement most important (only representation for zero) ° Important to understand treatment of sign bit for 1’s and 2’s complement

Ngày tải lên: 12/02/2020, 18:08

... Lecture 31 PLAs and Arithmetic Logic Unit (ALU) Programmable Logic Array ° A ROM is potentially inefficient because it uses a decoder, ... decoder, with n inverters and 2n n-input AND gates • An OR gate with up to 2n inputs • The number of gates roughly doubles for each additional ROM input ° A programmable logic array, or PLA, makes ... ROMs have address inputs and data outputs • ROMs directly implement truth tables ° ROMs can be used effectively in Mealy and Moore machines to implement combinational logic ° In normal use ROMs

Ngày tải lên: 12/02/2020, 19:02

... say the first number consists of digits A1 and A0 from left to right, and the second number is B1 and B0 ° The problem specifies three outputs: G, E and L Comparing 2-bit Numbers - Formulation ... should be only when A < B ° Make sure you understand the problem • Inputs A and B will be 00, 01, 10, or 11 (0, 1, or in decimal) • For any inputs A and B, exactly one of the three outputs will be ... signed or unsigned numbers and also indicate an arithmetic relationship (greater or less than) between the words ° These circuits are often called magnitude comparators ° XOR and XNOR gates can be

Ngày tải lên: 12/02/2020, 23:58

... be realized using NAND or NOR gates only 56 NAND and NOR Circuits Example: Realizing a NAND Circuit 57 NAND and NOR Circuits x 1  x 2  x 3  f  x 4  x 5  x 6  x 7  58 NAND and NOR Circuits x 1  ... NAND and NOR Circuits x 1  x 2  x 3  x 4  f  x 5  x 6  x 7  60 NAND and NOR Circuits Example: Realizing a NOR Circuit 61 NAND and NOR Circuits x 1  x 2  x 3  f  x 4  x 5  x 6  x 7  62 NAND and ... 1 0 1 10 Multilevel Logic Circuits Two techniques that can be used to realize multilevel logic circuits: Factoring Functional Decomposition 52 Factoring Example: Realize a logic circuit that has

Ngày tải lên: 13/02/2020, 00:14

... slightly more complex random example Converting to a NAND ° Step 1: Convert all AND gates to NAND gates and convert all OR gates to NAND gates AND AND OR OR AND AND Converting to NAND ° Step 2: Cancel ... alter logic function ° Example: AND/ OR to NAND/NAND A A B B C D Z C D NAND NAND NAND Z Con ver °sio Example: verify equivalence of two forms n Bet wee An A For NAND B B ms Z NAND (co C C NAND Dnt’d ... introduce in pairs or remove pairs NAND-NAND & NOR-NOR Networks = = = = NAND-NAND Networks ° Mapping from AND/ OR to NAND/NAND a) b) c) d) a b c d NAND-NAND Networks a) b) c) a) d) b) c) d) a

Ngày tải lên: 13/02/2020, 00:36

... terms ° Design could be implemented using NANDs and NORs Don’t cares ° In digital systems it often happens that certain input conditions can never occur For example, suppose that x1 and x2 control ... Don’t Care Conditions After labeling and transferring the truth table data into the K-Map, write the simplified sum-ofproducts (SOP) logic expression for the logic function F4 Be sure to take advantage ... are that both switches are open or that one switch is open and the other switch is closed Namely, the input valuations (x1, x2) = 00, 01, and 10 are possible, but 11 is guaranteed not to occur Then

Ngày tải lên: 13/02/2020, 01:04

... Lecture 14 Binary Adders and Subtractors Overvie w ° Addition and subtraction of binary data is fundamental • Need to determine hardware implementation ° Represent inputs and outputs • Inputs: single ... of n !) • It works on the following standard principles: • A carry bit is generated when both input bits Ai and Bi are 1, or • When one of input bits is 1, and a carry in bit exists 25 Carry Look ... Multiplication ° Therefore, for multiplying two 2-bit numbers, AND gates and ADDERS will be sufficient °Half Adders 37 Summary ° Addition and subtraction are fundamental to computer systems ° Key

Ngày tải lên: 13/02/2020, 01:39

... Using... Proakis and D G Manolakis, Digital Signal Processing, Prentice-Hall, 1996 3 A Bateman and I Patterson-Stephans, The DSP Handbook, Algorithms, Applications and Design Techniques, ... and Application of Digital Signal Processing, Prentice-Hall, 1975 9 E C Ifeachor and B W Jervis, Digital Signal Processing, Prentice-Hall, 2002 10 V K Ingle and J G Proakis, Digital ... Systems and Digital Signal Processing, Addison-Wesley, 1989 7 S S Soliman and M D Srinath, Continuous and Discrete Signals and Systems, Prentice-Hall, 1990 8 L R Rabiner and B Gold,

Ngày tải lên: 29/09/2013, 21:20

... Understanding Gear Noise, J Derek Smith Chains for Power Transmission and Material Handling: Design and Applications Handbook, American Chain Association Corrosion and Corrosion Protection Handbook, ... Selection and Application, Duane Tandeske 73 Zinc Handbook: Properties, Processing, and Use in Design, Frank Porter 74 Thermal Fatigue of Metals, Andrzej Weronski and Tadeusz Hejwowski 75 Classical and ... Introduction to the Design and Behavior of Bolted Joints: Third Edition, Revised and Expanded, John H Bickford 98 Shaft Alignment Handbook: Second Edition, Revised and Expanded, John Piotrowski

Ngày tải lên: 13/12/2013, 03:15

... typemayacteitheruponbrakedrumsordirectlyuponrotatingshaftsandare suitableforuseinheavy-dutyapplications,suchasfoundinminingand constructionequipmentandinmaterials-handlingmachinery. Internallinearlyactingdrumbrakes,suchasusedontrucksinEurope, maybedesignedasinFigure2.Eitherpneumaticorhydrauliccylindersor ... ð1-10Þ Uponsubstitutingforu 1 andu 2 inequation(1-8)andrecallingequations(1-6) and( 1-7)wefindthat T F s r ¼ 4Asinðf 0 =2Þ f 0 þsinf 0 ¼A R r ð1-11Þ wheretheright-handsidehasalreadybeenplottedinFigure5.Fromthat ... pivotedandifequation(1-7)holds,theappliedtorqueisgivenby T¼ARF s ð1-12Þ II.BRAKINGTORQUEANDMOMENTSFORSYMMETRICALLY SUPPORTEDINTERNALSHOES Pressurepandbrakingtorqueareagaingivenbyequations(1-2 )and( 1-4),

Ngày tải lên: 17/12/2013, 11:15

... cone and the left-band cone is moved upward to contact the lower half of the double cone, both the left- and right-hand cones rotate in the same direction If the right- and left-hand cones ... thatpermitsthemotortobemovedtoandfromthedrivenmachineinorder toapplyandrelievethebelttensionandtherebygiveclutching(applyingbelt tension)anddeclutching(relievingbelttension)capability. Thesedesignseliminatetheneedforamechanicalclutch.Theirsim- ... f rn1 ln1 and Nn2 ¼ Nd rd2 ld 2 ¼ Nd tan2 f rn2 ln2 ð3-1Þ where rd1 and rnl are the radii of the driver and driven cones, respectively, at point 1, rd 2 and rn2 are driver and driven

Ngày tải lên: 17/12/2013, 11:15

... the brake assembly (drum, backplate, shoes, and lining in the case of drum brakes and disk and caliper in the case of disk brakes) as it vibrates and have shown that brake vibration is the result ... sprag and certain forces between the disk and the sprag. These combinations of sprag deflections and disk forces defined a region of instability which was interpreted to signify large sprag and disk ... vibrationthatisthemajorcontributortobrakenoisefromdiskbrakes[11] andthebackplatevibrationthatisthemajorcontributorfromdrumbrakes [12].Typicalstandingwaveshapes,orthenodalpatterns,forthediskare showninFigures 2and3 .VibrationofthecaliperisshowninFigures 4and5 .

Ngày tải lên: 25/12/2013, 23:17

... script and function files contain a sequence of commands. However, function files take arguments and return values. 1.6.1 Script files Script files are especially useful for analysis and design ... obtain the dot product and the vector product of two vectors a and b. Use the function to evaluate the dot and vector products of vectors x and y, where x = (1 5 6) and y = (2 3 8). 1.4 ... polar, contour and 3-D plots, and bar charts. MATLAB also allows one to give titles to graphs, label the x- and y-axes, and add a grid to graphs. In addition, there are commands for controlling

Ngày tải lên: 19/01/2014, 20:20

... diameter as 18 mm and core diameter (dc) as 16.16 mm Ans The other dimensions for the gland are taken as follows: 250 n A Textbook of Machine Design Pitch circle diameter of the gland flange, ... + 2t = 400 + 2 × 12 = 424 mm Ans 2 Design of piston rod Let dp = Diameter of the piston rod We know that... A Textbook of Machine Design In the design of thick cylindrical shells, ... water as 16 N/mm2 and exerting a force of 80 kN is required to press materials upto a maximum size of 800 mm × 800 mm and 800 mm high, the stroke length is 80 mm Design and draw the following

Ngày tải lên: 23/01/2014, 06:20

... from Conceptual to Logical Design, ” focus on the first step in the transition from conceptual design to logical design, which is to identify the creational and structural design patterns that ... Architecture and Structural Design Patterns Lab 2: Architecture and Structural Design Patterns Objectives After completing this lab, you will be able to: ! Choose and apply structural design ... Architecture and Structural Design Patterns Module 2: Architecture and Structural Design Patterns 9 Structural Recordset Fields Field As has been discussed, structural design patterns...

Ngày tải lên: 10/12/2013, 16:16