Fig. 2: System hardware overview of the developed breath analysis platform. | npj Digital Medicine

Fig. 2: System hardware overview of the developed breath analysis platform.

From: Advanced breath analysis through hierarchical deep convolutional neural network for multi-cancer screening

Fig. 2: System hardware overview of the developed breath analysis platform.

a 3D rendering of the complete breath analysis device. b Internal layout of the system, including gas chamber, sampling module, temperature controller, and embedded PC. c FPGA-based ADC board composed of a signal amplifier block, FPGA block, ADC block, and MCU block. d Main control board containing power management, communication I/O, and PLC interface blocks. e System-level block diagram that illustrates the configuration of 16-bit ADC channels and parallel data acquisition through an FPGA.

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