Symbol Counter
Symbol Counter: Symbol Counter - A counter is a simple device used for counting. There are different types of counters. There are up-counters (that only count up 1, 2, 3 ...).…
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Symbol Counter
PLC System Operation
PLC System Operation: A PLC System Operation works by continually scanning a program. This scan cycle can be considered as made up of three important states as shown in Fig.…
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PLC System Operation
PLC Structure
PLC Structure: The PLC Structure mainly consists of a CPU, memory areas, and appropriate circuits to receive input/output data as shown in Fig. 21.22. A PLC can be considered as…
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PLC Structure
PLC Definition
PLC Definition(Programmable Logic Controller or ProgramÂmable Controller): PLC Definition - Programmable Logic Controller (PLC) or commonly simply called a ProgramÂmable Controller, is a solid state, digital, industrial computer. It is…
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PLC Definition
Pulse Width Modulation
Pulse Width Modulation(PWM): Pulse width modulation of PTM is also often called Pulse Duration Modulation (PDM). In this system, shown in Fig. 18.8, we have a fixed amplitude and starting…
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Pulse Width Modulation
Ladder Type Converter D/A
Ladder Type Converter D/A: Looking into any load from the left side we always see a resistor R. Similarly looking from the right side for any load, one always sees…
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Ladder Type Converter D/A
Negative Feedback Op Amp
Negative Feedback Op Amp: Negative Feedback Op Amp - The Inverting Amplifier configuration is shown in Fig. 14.8. The input signal is applied to the inverting terminal. The amplified inverted…
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Negative Feedback Op Amp
Video Test Pattern Generator
Video Test Pattern Generator: A pattern generator provides video signals directly, and with RF modulation, on standard TV channels for alignment, testing and servicing of TV receivers. The output signal…
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Video Test Pattern Generator