550AJ128M000DG

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Oscillators are essential for all kinds of circuits, used to generate an analog or digital signal at a desired frequency. The 550AJ128M000DG is a general-purpose oscillator driving a wide variety of applications, providing reliable and accurate frequency output. This article will discuss the application field and working principle of the 550AJ128M000DG.

Application Field

The 550AJ128M000DG is a TTL quartz oscillator with a frequency range from 6.400 MHz to 80.000 MHz. It is usually used in power transmission, communication system, electronic instrumentation, consumer electronics and other fields. The oscillator has a high stability and low phase noise, making it a good choice for those applications that require high frequency accuracy and reliability.

The oscillator is available in a variety of packages, including DIP, SMD packages, or square-shaped packages. It supports various operating temperatures, such as -20℃ to 70℃, -40℃ to 85℃, and -50℃ to 105℃. Also, the oscillator supports a variety of supply voltages ranging from 3.3V to 5.0V. This feature makes the oscillator suitable for different types of applications, such as portable devices, communication equipment, automotive electronics, and robotic control systems, etc.

Working Principle

The 550AJ128M000DG long-term stability is ensured by high-performance quartz logarithmic resonator and low-noise compensation oscillator. To put it simply, the oscillator plays a role as a voltage-controlled oscillator (VCO). It takes a voltage signal as an input, and converts it into a frequency signal. The frequency is then used to generate a pulse train which is then used to drive the output.

The primary components in a VCO are an oscillator, a divider, a voltage regulator, a filter and a feedback network. The oscillator generates a signal of a certain frequency, which is divided evenly into many parts by the divider. The output of the divider is then compared with a reference voltage, and the difference is amplified by the voltage regulator to create a control voltage. This control voltage is then used to adjust the frequency of the oscillator using a low pass filter.

Finally, the output of the oscillator is fed back to the divider. The feedback is used to adjust the frequency of the oscillator, thus allowing it to generate a stable and accurate frequency output even when the input voltage is varying over time. The output can be used as a clock signal for driving other circuits, such as CPUs, A/D converters, and so on.

Conclusion

The 550AJ128M000DG is an ideal choice for applications requiring high frequency accuracy and reliability. It is used in various fields such as power transmission, consumer electronics, and robotic control systems, etc. The oscillator utilizes a quartz logarithmic resonator and low-noise compensation oscillator to ensure long-term stability. Furthermore, it supports a variety of package types, operating temperatures, and supply voltages to meet various application needs. Finally, by using the voltage-controlled oscillator (VCO) principle, the oscillator can generate a stable and accurate frequency output even when the input voltage is varying over time.

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