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Building a circuit on a bread board

Discussion in 'General Electronics Discussion' started by lucianthelight, Apr 18, 2017.

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  1. lucianthelight

    lucianthelight

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    0
    Apr 18, 2017
    I have some questions about building a circuit on a bread board. Or more specifically correctly connecting said circuit to a powersupply/ ground.

    The example circuit we where given can be found with the attached files.

    As power supply we use the HAMEG HM7042-5 (picture can also be found in the attached files). So my questions are:
    - Do I have to connect the ground on the left separately or can I just use the ground of the supply V1?
    - We need to measure the outgoing voltage Vuit, to do this I presume I need to connect the wire to a ground and attach a voltage meter in parallel.
    - If this is correct can I use the same ground of a power supply such as the one of V1?

    Thanks in advance
     

    Attached Files:

  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    Jan 21, 2010
    I can't quite follow your question, but I can follow the circuit.

    The ground symbols are common, but only two power supplies have a direct connection to it.

    Beware of having outputs of your power supply grounded. I presume the outputs are floating.
     
  3. ag273n

    ag273n

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    Nov 24, 2016
    if you have two power sources in one circuit, yes, you need to connect them in one same ground

    Hope this answers your doubts
     
  4. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    Jan 21, 2010
    Did you look at the circuit?
     
  5. ag273n

    ag273n

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    Nov 24, 2016
    i was hopping to answer this question... seemed to me he had doubts whether two grounds are ok in one circuit..
     
  6. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    Jan 21, 2010
    Yeah, but there are three power sources in that circuit and certain interpretations of...

    ...will yield bad results.
     
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