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AUDIO SPECTRUM ANALYZER DSPIC30F6012 MCP6022

The Audio Spectrum Analyzer you’re describing is a device designed to analyze and visualize the frequency spectrum of an audio signal. Digital, real-time Audio Spectrum analyzer circuit for audio devices is presented in this project. The Digital Real-time Audio Frequency Spectrum Analyzer can display the distribution of the audio signal energy to 20 specific frequency bands, using DSPtechnology. It uses fast Fourier transform (FFT). The resulting Fourier transform results are displayed in 20 bars. 20 x 20 LED display. The unit supports four display-modes.

The specific model you mentioned involves several key components:

dsPIC30F6012:

  • This refers to a specific digital signal processor (DSP) microcontroller from Microchip Technology. The dsPIC30F6012 is a member of the dsPIC30F family and is known for its high-performance digital signal processing capabilities. It’s commonly used in applications where real-time signal processing is required, such as audio processing.

MCP6022:

  • This is an operational amplifier (op-amp) IC (Integrated Circuit) manufactured by Microchip Technology. Op-amps are commonly used in audio and analog applications for amplification and signal conditioning. The MCP6022 is a dual op-amp, meaning it contains two separate op-amp circuits in a single IC package.

Spectrum analyzers

An audio spectrum analyzer is an audio spectrum analyzer . Many modern audio devices, such as amplifiers, audio-equalizers, audio mixers, and audio players .on LCD, CRT or LED display. The spectrogram does not contain any audio effects during playback, recording or during any tonal adjustment (bass, treble, mid frequencies adjustment or adaptive equalization).

Digital Audio Spectrum analyzer real-time circuit for audio devices is presented in this project. This is a dsPIC30F6012A , which is a property for this project. The DSP engine, the 12-bit A / D converter, the timer3 timer, 42 I / O ports and the large internal data memory. A quad of the MCP6022 op-amps for anti-aliasing filtering and gain.

Digital signal processing, Fast Fourier transform, frequency spectrum, Hamming window, real-time and frequency response.

The Digital, real-time Audio Spectrum Analyzer.

It is an analog audio signal as input.

  • It uses a DSP.
  • It computes the distribution of the audio signal.
  • Everything is done in real-time.

The MCP6021, MCP6022, MCP6023 and MCP6024 from Microchip Technology Inc. are rail-to-rail input and output op amps with high performance. Key specifications include: wide bandwidth (10 MHz), low noise (8.7 nV/√Hz), low input offset voltage and low distortion (0.00053% THD+N). These features make these op amps well suited for applications requiring high performance and bandwidth. The MCP6023 also offers a chip select pin (CS) that gives power savings when the part is not in use.

The single MCP6021, single MCP6023 and dual MCP6022 are available in standard 8-lead PDIP, SOIC and TSSOP. The quad MCP6024 is offered in 14-lead PDIP, SOIC and TSSOP packages.

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