CH101 Design Guide
■ABSTRACT: This CH101 Design Guide shows how to design-in Ultrasonic Sensors of the CH101 family. This guide explains the Ultrasonic operation of CH101 Short Range Ultrasonic Sensor, hardware selection, integration guidelines, performance tuning and calibration with our software and testing. This document is intended to help one attain a general understanding of how the CH101 product works and goes over the design process to design and tune the device for usage.
■INTRODUCTION
▲A CH101 sensor is an ultrasonic transceiver, meaning that it can both transmit and receive ultrasound signals. Unlike various types of passive sensors which simply measure their surrounding conditions, the CH101 actively injects a signal into its environment. To perform a basic distance measurement, the sensor will emit a very brief pulse of ultrasound. It then immediately enters a “listening” state, in which it samples the received sound, attempting to identify an echo of the pulse that has been reflected off an object in the sensor’s vicinity. If an ultrasound pulse is identified, the sensor will analyze the signal to determine the timing and then report the ToF of the received pulse. The actual distance travelled by the ultrasound can then be calculated from the ToF based on the speed of sound.
▲This design Guide focuses on CH101 usage applications and will help you understand:
◆Ultrasonic Technology of the CH101
◆Recommended HW module selection process
◆Module HW mounting guidelines
◆Performance tuning of CH101 using TDK/Chirp available SW
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CH101 、 DK-CH101 、 EV_MOD_CH101-03-01 、 CH101-03-02 、 MOD_CH101-03-02 、 EV_MOD_CH101 、 EV_MOD_CH101-03-02 |
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Ultrasonic Sensors 、 Short Range Ultrasonic Sensor 、 sensor 、 ultrasonic transceiver 、 Smart Sonic Eval Kit 、 BASED MODULES |
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Application note & Design Guide |
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Please see the document for details |
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LGA |
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English Chinese Chinese and English Japanese |
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03/25/2022 |
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Revision: 1.2 |
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AN-000259 |
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4.5 MB |
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