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Application of X1G004171003500 active crystal oscillator in drone camera module MUC
In order to achieve stable and accurate operation of program instructions issued by the video signal processing MCU in the drone camera module in the intelligent electronic product industry, an external small-sized low deviation 27MHz active crystal oscillator design scheme is generally required. To prevent the deviation signal output by the 27MHz reference clock from being amplified by the clock timer and PLL in the video signal processing MCU, which may cause signal reception distortion and interfere with normal signals, it is recommended to be less than 3ps. At the same time, a small-sized package is also required to meet the requirements of miniaturization design.
In response to the design requirements of the drone camera module MUC, Epson Crystal Company's SG-210STF factory coded X1G004171003500 active crystal oscillator is used. This active imported crystal oscillator has a frequency of 27MHz and is packaged in a 2520 small-sized metal surface. It supports multiple voltage supplies ranging from 1.60 to 3.63V and can meet low power consumption design requirements. The frequency tolerance is ± 50ppm and the working temperature range is -40 ℃~85 ℃. The X1G004171003500 active crystal oscillator has excellent low jitter characteristics with a maximum of only 1.8ps and a peak to peak jitter of up to 16ps when powered by Vcc=3.3V at room temperature of 25 ℃.
The original factory code X1G004171003500 crystal oscillator of SG-210STF can meet the accuracy requirement of 50ppm at a working temperature of -40~85 ° C, and can achieve the high-precision requirement of 25ppm at a working temperature of -20~70 ° C. It usually has better frequency offset accuracy in drone camera MCU systems and servers. The power consumption of SG-210STF crystal oscillator is generally 50MHz and below, which can be maintained within 2.7mA within the preset range. SG-210STF operates in fundamental frequency mode, not overtone crystal oscillator, and works more stably.
Application advantages
1. Improving image processing performance: High precision synchronization: X1G004171003500 provides high-precision clock signals to ensure synchronous data processing operations of the camera module MCU, improving image processing performance and reducing latency: The highly stable crystal oscillator signal supports the camera module to reduce latency in image acquisition and transmission, improving real-time performance.
2. Improve equipment reliability; The high reliability design of X1G004171003500 ensures the stability of the drone camera module during long-term use, reducing the risk of system failure. Wide temperature adaptability, maintaining high performance within a wide temperature range, ensuring stable operation of the camera module in various environments.
2. Design flexibility: Compact packaging and compact size design make it easy to integrate into drone camera modules, whether it is consumer grade drones or professional grade equipment. Diversified interface support, compatible with multiple interface and controller designs, suitable for different types of camera module solutions.
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