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Old 8th November 2016, 09:27 AM
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Default LD Lab Manuals For VTU

Hi I need the Logic design lab manual for the Visvesvaraya Technological University VTU so if you are having the same please provide me so I can have an idea???
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Old 8th November 2016, 11:26 AM
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Default Re: LD Lab Manuals For VTU

Well below I have given you the Logic design lab manual for the Visvesvaraya Technological University VTU you can have a look


Experiment 1

EXPERIMENT: 1 LOGIC GATES
AIM: To study and verify the truth table of logic gates
LEARNING OBJECTIVE:
• Identify various ICs and their specification.
COMPONENTS REQUIRED:
• Logic gates (IC) trainer kit.
• Connecting patch chords.
• IC 7400, IC 7408, IC 7432, IC 7406, IC 7402, IC 7404, IC 7486
THEORY:
The basic logic gates are the building blocks of more complex logic circuits. These logic
gates perform the basic Boolean functions, such as AND, OR, NAND, NOR, Inversion,
Exclusive-OR, Exclusive-NOR. Fig. below shows the circuit symbol, Boolean function, and
truth. It is seen from the Fig that each gate has one or two binary inputs, A and B, and one
binary output, C. The small circle on the output of the circuit symbols designates the logic
complement. The AND, OR, NAND, and NOR gates can be extended to have more than two
inputs. A gate can be extended to have multiple inputs if the binary operation it represents is
commutative and associative.
These basic logic gates are implemented as small-scale integrated circuits (SSICs) or as part
of more complex medium scale (MSI) or very large-scale (VLSI) integrated circuits. Digital
IC gates are classified not only by their logic operation, but also the specific logic-circuit
family to which they belong. Each logic family has its own basic electronic circuit upon
which more complex digital circuits and functions are developed. The following logic
families are the most frequently used.
TTL Transistor-transistor logic
ECL Emitter-coupled logic
MOS Metal-oxide semiconductor
CMOS Complementary metal-oxide semiconductor
TTL and ECL are based upon bipolar transistors. TTL has a well established popularity
among logic families. ECL is used only in systems requiring high-speed operation. MOS and
CMOS, are based on field effect transistors. They are widely used in large scale integrated
circuits because of their high component density and relatively low power consumption.
CMOS logic consumes far less power than MOS logic. There are various commercial




Address:

VTU

Jnana Sangama, VTU Main Road,

Machhe, Belagavi, Karnataka 590018

Phone: 0831 249 8196
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