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  2. Setpoint (control system) - Wikipedia

    en.wikipedia.org/wiki/Setpoint_(control_system)

    Download as PDF; Printable version; In other projects ... Block diagram of a negative feedback system used to maintain a setpoint in the face of a disturbance using ...

  3. Functional flow block diagram - Wikipedia

    en.wikipedia.org/wiki/Functional_flow_block_diagram

    Figure 1: Functional flow block diagram format. [1] A functional flow block diagram (FFBD) is a multi-tier, time-sequenced, step-by-step flow diagram of a system's functional flow. [2] The term "functional" in this context is different from its use in functional programming or in mathematics, where pairing "functional" with "flow" would be ...

  4. Radio transmitter design - Wikipedia

    en.wikipedia.org/wiki/Radio_transmitter_design

    A radio transmitter or just transmitter is an electronic device which produces radio waves with an antenna. Radio waves are electromagnetic waves with frequencies between about 30 Hz and 300 GHz. The transmitter itself generates a radio frequency alternating current, which is applied to the antenna. When excited by this alternating current, the ...

  5. Universal asynchronous receiver-transmitter - Wikipedia

    en.wikipedia.org/wiki/Universal_asynchronous...

    At the end of each data frame, the receiver stops briefly to wait for the next start bit. It is this difference that keeps the transmitter and receiver synchronized. BCLK = Base Clock. A UART frame consists of 5 elements: Idle (logic high (1)) Start bit (logic low (0)): the start bit signals to the receiver that a new character is coming.

  6. RF front end - Wikipedia

    en.wikipedia.org/wiki/RF_front_end

    Block diagram of a superheterodyne receiver. The RF front end consists of the components on the left colored red. In a radio receiver circuit, the RF front end, short for radio frequency front end, is a generic term for all the circuitry between a receiver's antenna input up to and including the mixer stage. [1]

  7. Piping and instrumentation diagram - Wikipedia

    en.wikipedia.org/wiki/Piping_and_instrumentation...

    Piping and instrumentation diagram of pump with storage tank. Symbols according to EN ISO 10628 and EN 62424. A more complex example of a P&ID. A piping and instrumentation diagram (P&ID) is defined as follows: A diagram which shows the interconnection of process equipment and the instrumentation used to control the process.

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  9. Superheterodyne transmitter - Wikipedia

    en.wikipedia.org/wiki/Superheterodyne_transmitter

    In transmitters several correction and equalization stages are used after modulation. For direct modulation these stages must be developed separately for each output RF (so called channel). On the other hand, in superheterodyne transmitters, only a single intermediate frequency signal is used, so only one type of stage for IF is developed.