1. jensigner's Avatar
    I'm interested in getting more detailed specs and information on the S4 headphone output drive circuit. Is it similar to the S3? Is the output driver (and microphone input) chip a Wolfson device and is the microphone input impedance requirement still 1kohm as stated here for the S3?
    How to add external mic to Galaxy Camera, SIII and Note 2 | Ruchirablog

    Also of interest:
    Wolfson Microelectronics | Multi-Year IP License and Component Supply Agreement with Samsung establishes Wolfson as a primary audio partner for GALAXY range of smartphones and tablets
    05-06-2013 11:31 PM

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