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With the development of the times, new requirements have been put forward for data collection in special applications such as communications, power and construction. It is hoped that the physical quantities of different nodes of the system under test can be synchronously sampled, and the precise time and date of the sampling point can be known in real time. The geographical location then transmits this information to the main monitoring system in real time, and analyzes the status of the system, controls and provides accident warning based on the collected measurement information.
Survey and design data collection refers to the process of obtaining design-related data and information from field surveys and literature through various technologies and methods, which involves geographical information system (GIS) technology, remote sensing technology, three-dimensional laser scanning technology, UAV aerial survey technology and other means.
Survey and design data collection can be used in many fields, such as automotive electronics such as vehicle-mounted survey equipment.
The data acquisition device uses the clock frequency generated by the crystal oscillator to provide a sampling signal after frequency division. In data acquisition, analog signals are converted into digital signals through a sampler and then converted into frequency signals through a logarithmic converter. Among them, sampling frequency is an important factor that determines the accuracy of collected data.
In many embedded applications, such as handheld devices (mobile phones), they can be easily integrated into various devices due to their small size, light weight and low power consumption. However, due to its small size and low power consumption, issues such as power consumption and heat dissipation need to be considered. For devices with higher sampling frequencies, 8-bit digital signals may cause excessive power consumption and temperature, which may affect product reliability.
Therefore, it is often necessary to choose a passive crystal oscillator with low power consumption and low temperature coefficient in the acquisition system.
The XC3OO-114-16.384M material in the YSX221SC series of passive crystal oscillators launched by YXC. The following are the typical parameters of XC3OO-114-16.384M in the application characteristics of exploration equipment-data collection:
1. Automotive grade passive crystal oscillator, highly reliable, high quality, compliant with AEC-Q200 industry certification, providing an accurate reference clock for the system;
2. 2520 size, Yangxing crystal oscillator can meet the car-standard passive crystal oscillator small package size of 1612~5032, flexibly meeting circuit design needs;
3. 16.384MHZ, 2520 size frequency can be used for 12~80MHZ, used in automotive electronics such as vehicle-mounted exploration equipment
YXC crystal oscillator YSX221SC series, frequency is 16.384MHz, operating temperature -40~125℃, the following is the YSX221SC series specifications.
