Communications headset tester

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  1. - 12th December 2006, 17:52 #14
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    Luciano
    Luciano is offline Senior Member
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    Hi,

    Here is the schematic.
    You can use this circuit for the headset tester.

    IC TBA820M (8-DIP).
    Digi-Key Part Number: 497-3025-5-ND
    Price: USD 1.35


    (Click to enlarge the picture)

    Best regards,

    Luciano
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