CRD48L11

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Evaluation and Demonstration Boards and Kits have become an integral tool for the modern engineer. With their wide application field, these kits are used for testing and designing specific circuits for specific applications. CRD48L11 is an advanced evaluation board, designed for the evaluation of multi-channel voice recorders and alarms. It operates at frequencies up to 25 MHz and offers an IR interface and GPIO (general-purpose input output). This board is an ideal choice for evaluating voice recorders, especially for digital audio applications, and for testing audio applications.

This evaluation board has a modern architecture, designed for easy setup and operation. The default jumper settings make it suitable for general-purpose use, and additional modes can be manually configured to customize the parameters. The minimal design is intended for simplicity and cost-effective handling. The board includes two user interfaces, allowing direct access to the configuration, programming and debugging—all from the same board.

The CRD48L11 evaluation board can be used to evaluate a variety of audio components such as microphone amplifiers, sound cards, and loudspeakers. Its analog-to-digital converter (ADC) provides wide dynamic range, low noise and low distortion over a wide frequency range. Additionally, its GPIO interface provides access to other digital components. The board also includes a software control circuit, providing real time control over the audio signal processing chain.

The CRD48L11 evaluation board’s working principle is based on the use of an input signal, such as a microphone or an ADC, and then transmits this signal to the audio processing circuit. This circuit then processes the signal to produce a digital output, which is sent to the output port. Analog and digital audio signals can be sent simultaneously to enhance the audio processing performance. The board also includes an amplifier circuit, which can be used to increase the signal strength by up to 15-20 dB. The user interface allows the user to adjust the amplifier gain and select different parameters, such as sample rate or bit depth, for the output signal. Finally, the board sends the output signal to the sound card, loudspeakers or other output devices.

In conclusion, the CRD48L11 evaluation board offers a reliable platform for evaluating voice recorders and other audio components. Its user-friendly design and intuitive interface make it easy to setup and operate. The wide range of features allows users to configure the board to their specific needs. With its excellent performance and features, the CRD48L11 evaluation board is a great choice for audio applications.

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