In fact, the use of temperature-compensated crystal oscillator is very broad, which can be applied to communication and control systems in the fields of spacecraft, rockets, satellites and aeronautical vehicles, providing a stable frequency reference signal for the whole machine.
As the "heart" device of the frequency source, the temperature-compensated crystal oscillator provides highly stable frequency and clock signals for electronic devices, and plays an important role in the performance of the whole machine. The temperature-compensated crystal oscillator adopts the miniaturization design of quartz resonator and the design technology of wide temperature and frequency stability to achieve miniaturization and high-precision indicators in a wider temperature range, which is the use and characteristics of the temperature-compensated crystal oscillator.
Temperature-compensated crystal oscillators are usually used in high-end smart devices, such as GPS navigation equipment, wireless communication equipment, etc. These products will cause defective components due to high temperature, which can easily cause the circuit of the entire product to burn out or even fail.
The temperature-compensated crystal oscillator has the characteristics of low voltage, low power consumption, and ultra-high accuracy, which is very suitable for this working environment. The key is that the temperature-compensated crystal oscillator can play a complementary role in weather temperature changes. When the temperature is low, it will compensate for the oscillation frequency deviation caused by the change of ambient temperature according to its own temperature compensation circuit, so as to protect the stability of the product.
The differential crystal oscillator features a ceramic-integrated, hermetically sealed structure that encapsulates all components and circuits within a ceramic base. At the same time, it has the characteristics of high frequency, small size, good frequency and temperature stability, and high reliability. Its output frequency is up to 200MHz, which is 3 times higher than the existing domestic low-temperature compensation crystal oscillator for aerospace.
Compared with the existing aerospace high-frequency temperature-compensated crystal oscillator, the volume is reduced to 1 20;Compared with the small high-frequency temperature-compensated crystal oscillator with a split structure, the reliability is higher. Ordinary small high-frequency temperature-compensated crystal oscillator devices mostly adopt a split structure, and the circuit and components are not completely packaged together. When used in harsh environments such as aerospace, there is often a hidden danger of failure.