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PCM29002 / PCM2900

Other Parts Discussed in Thread: PCM2900, PCM1864, DIT4096, PCM9211

Hello, I have a little doubt I want convert one analog signal for transmit this signal, in fiber optic with PWM modulation, How I can make this having a serial output signal, to post modulate to transmit into 200Khz over fiber optic.

if anyone can indicate one circuit for PWM modulation will be helpfully.

Thanks

  • Hi Pedro,

    Welcome to e2e.
    Could you provide more detail about your application?
    Are you trying to convert an analog signal into PWM?
    What do you mean by serial output signal? Is it an output of an ADC?
    200kHz is the desired output PWM carrier frequency?

    Best regards,
    -Ivan Salazar
    Texas Instruments
  • Dear Ivan, I want  send an audio signal trough fiber optic, only for study more about modulation.

    I'm trying make this in analog way but, I'm having lot of losses.

    Thanks

    Pedro

    De: Ivan Salazar
    Enviada em: ‎30/‎08/‎2016 14:31
    Para: AudioConvertersForum@mail.e2e.ti.com
    Assunto: Audio Converters Forum: PCM29002 / PCM2900

     

    A Message from the TI E2E™ Community
    Texas Instruments

     

    Ivan Salazar replied to PCM29002 / PCM2900.

    Hi Pedro,

    Welcome to e2e.
    Could you provide more detail about your application?
    Are you trying to convert an analog signal into PWM?
    What do you mean by serial output signal? Is it an output of an ADC?
    200kHz is the desired output PWM carrier frequency?

    Best regards,
    -Ivan Salazar
    Texas Instruments

     

     

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  • Hi Pedro,

    You could consider an application using an ADC and then a digital interface transmitter; this could be something like PCM1864 as ADC and DIT4096 to interface into optical fiber.
    Or you could also consider a transceiver solution like PCM9211.

    Best regards,
    -Ivan Salazar
    Texas Instruments