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The Temperature Measurement and Display Example

Learn how to design a temperature measurement system from functional requirements to circuit implementation. Explore block diagrams for temperature conversion, A to D conversion, BCD conversion units, and 7-segment LED driver. Understand the internal functionalities of RTD, resistors, transistors, and op-amps in detail through circuit breakdowns.

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The Temperature Measurement and Display Example

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  1. The Temperature Measurement and Display Example

  2. Level 0: • Present a single module block diagram with inputs and outputs identified • Present the functional requirements: inputs, outputs, and functionality.

  3. Level 0: Functional Requirement for Temperature Measurement and Display

  4. Level 1: Block Diagram for Temperature Measurement and Display System

  5. Level 1: Functional Requirement for Temperature Conversion Unite

  6. Level 1: Functional Requirement for A to D Converter

  7. Level 1: Functional Requirement for BCD Conversion Unit

  8. Level 1: Functional Requirement for BCD Conversion Unit

  9. Level 1: Functional Requirement for 7-Segment LED Driver

  10. Designer must make judgment whether Level 1 is the realizable level… If so, temperature conversion may be accomplished using one of the following circuits. The designer or the design team may apply AHP to determine which circuit is preferred.

  11. Other designers may argue that… • The circuit may be broken circuit down to Level 2 • And to further look into the internal functionalities and structures of RTD, resistors, transistors, and op-amps.

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