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Electricity and Electronics for Renewable Energy Technology by Ahmad Hemami

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24Encoders and Decoders

OBJECTIVES: After studying this chapter, you will be able to

  • Explain what a flip-flop is and what it is used for
  • Define various types of flip-flops
  • Understand toggle action in a flip-flop
  • Describe how a flip-flop can be used for counting
  • Describe how a flip-flop can be used for storing a bit of data
  • Explain how a digital clock works
  • Explain the difference between a latch and a flip-flop
  • Describe the function and use of an encoder
  • Describe the function and use of a decoder
  • Understand the precision in a shaft encoder
  • Explain what a multiplexer is and why we need it
  • Describe the difference between a multiplexer and a demultiplexer

New terms: Absolute encoder, active high, active level, active low, anemometer, asynchronous ...

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