Hearing Loop Design

Hearing Loop Design#

On this page you will find the links to the Jupyter Notebooks with answers to the design exercises.

Please download the Hearing Loop archive with the Jupyter Notebooks and associated files.

Important

Please run main.ipynb before studying the other notebooks!

Lectures and notebooks#

  1. Introduction to the hearing loop and setting up specifications: HearingLoopIntro.ipynb

  2. Modeling of the hearing loop and determination of the coupling factor: TransferModel.ipynb and TransferModeSimplel.ipynb

  3. Selection of the most promising structure: ABCDantenna.ipynb and AmplifierTypes.ipynb

  4. Determination of minimum transmitter gain, maximum receiver gain and minimum antenna drive current and voltage for a system using a transresistance amplifier transmitter and an integrating voltage amplifier receiver: NoisePropagation.ipynb

  5. Determination of show-stopper values of input-referred transmitter noise sources and input-referred receiver noise sources for a system using a transresistance amplifier transmitter and an integrating voltage amplifier receiver and a peak antenna drive current of 0.1A: NoiseBudgets.ipynb

  6. Determination of transmitter and receiver bandwidth requirements: Bandwidths.ipynb

  7. Design of negative feedback amplifier configurations for the transmitter and the receiver: AmplifierConfigurations.ipynb

  8. Determination of the values of the feedback elements and determination of show-stopper values of the input-referred controller noise sources for the transmitter and the receiver: AmplifierConfigurationsBudgets.ipynb

  9. Design of a circuit that models the small-signal dynamic behavior of the TLV4111: TLV4111.ipynb

  10. Design of a biasing solution for the transmit and receive amplifier. Determination of show-stopper values for the controller bias current, bias offset current, offset voltage, the common-mode input voltage range, the output voltage range, and the output current range of the transmit and receive amplifier: BiasingConceptTransmitter.ipynb, BiasingConceptReceiver.ipynb

  11. Evaluation of the ideal gain, the asymptotic-gain, the loop gain, the servo function and the direct transfer of the transmit and the receive amplifier using the TLV4111 and the OPA209, respectively: TransmitterFeedbackModel.ipynb, ReceiverFeedbackModel.ipynb

  12. Evaluation of the frequency response and frequency compensation: TransmitterFrequencyCompensation.ipynb, ReceiverFrequencyCompensation.ipynb

  13. Verification of the noise performance: SystemNoiseVerification.ipynb

  14. Finalization of the design: main.ipynb

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