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Component identification

Discussion in 'Troubleshooting and Repair' started by Nemo1956, Aug 1, 2017.

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  1. Nemo1956

    Nemo1956

    34
    7
    Sep 5, 2016
    Can anyone help me identify this component.
    The unit is a HP E4438B signal generator that has an un levelled fault.
    I have located the problem in the A9 (output board) unit.
    The component has an ID of H1 on it and its location number is Q1800 on the PCB.
    I think this is some sort of MOSFET/AMP device but I need a replacement or equivalent one.
    Has anyone found these devices or know of a replacement?
     
  2. kellys_eye

    kellys_eye

    4,275
    1,147
    Jun 25, 2010
    Schematic? Photo? Link even?

    We are always will to assist but you can;t seriously expect us to go and find 'everything' we need when you have it right at hand?
     
  3. davenn

    davenn Moderator

    13,866
    1,958
    Sep 5, 2009
    gosh, thought I had already responded to this thread with the same request
     
  4. Nemo1956

    Nemo1956

    34
    7
    Sep 5, 2016
    I have found a replacement now thanks.
     
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