Application of Programmable Crystal Oscillator in Vehicle Reverse Radar

May 31,2024
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Reverse radar, also known as "reverse collision avoidance radar" or "parking assistance device", is a safety assistance device for parking or reversing a car.

It mainly consists of ultrasonic sensors, controllers, and displays, which can inform the driver of obstacles around them through sound or more intuitive display, relieve the trouble caused by the driver's front, back, left and right visitation when parking, reversing, and starting the vehicle, and help the driver eliminate the defects of blindness and blurred vision.

In the reverse radar system, passive crystal oscillators are used as clock sources to control the working rhythm of various modules of the radar system. The crystal oscillator generates a stable oscillation signal, which is used by the frequency divider and timing control circuit to determine the time interval for sensor scanning and data processing.

In addition, the frequency of the crystal oscillator will be selected and adjusted according to the requirements of the county to meet the accurate measurement requirements of the reverse radar system. If the frequency of the crystal oscillator is inaccurate or there is jitter, it can lead to an increase in measurement errors or misalignment in data processing, thereby affecting the accuracy and reliability of the reverse radar

With the continuous advancement of automotive technology, in car reversing radar, as an important driving assistance device, has become one of the standard equipment in modern cars. The SG-8201CJA programmable crystal oscillator launched by Epson provides solid technical support for the in car reversing radar system with its high precision and reliability, significantly improving the safety performance and driving experience of the vehicle.

SG-8201CJA adopts advanced crystal oscillation technology, which can provide high-precision frequency output, ensuring that the vehicle mounted reverse radar system has a highly stable signal source during operation. This high-precision oscillator can effectively reduce the error of radar signals, improve the accuracy of target detection, enable drivers to detect potential obstacles earlier, and avoid accidental collisions when reversing.

SG-8201CJA has programmable features that allow users to adjust its frequency according to specific application requirements. This feature enables the SG-8201CJA to be widely used in various types of in vehicle reverse radar systems, whether it is passenger cars, commercial vehicles, or heavy-duty vehicles, and can be flexibly configured according to actual needs, providing the best frequency support.

The high precision and stability of SG-8201CJA enable the reverse radar system to quickly respond to real-time environmental changes, issue alarms in a timely manner, and avoid collision risks during reverse. This provides a more intelligent and safe driving environment for your in car reverse radar system.