AX7PAF1-690.5692T

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Oscillators are universally used electronic components for generating courses of waveforms and/or pulses. Different oscillators have different applications and working principles. Among them, the AX7PAF1-690.5692T oscillator is widely used due to its many advantages. This article introduces the application field and working principle of the AX7PAF1-690.5692T oscillator.

Applications of AX7PAF1-690.5692T Oscillator

The AX7PAF1-690.5692T oscillator is a RoHS-compliant crystal oscillator, measuring 25.4mm x 15.2mm x 7.7mm with a frequency range from 679.5600 to 691.5700MHz. It has a typical phase noise of -60dBc/Hz at a 10kHz offset and 6V supply voltage. This oscillator is ideal for oscillator applications that require a wide tuning range, low phase noise, and low EMI. It is widely used in communication systems, base stations, automotive applications, and aerospace applications. It is also suitable for test & measurement, instrumentation, satellite systems, mobile communications, and many other applications.

Working Principle of AX7PAF1-690.5692T Oscillator

The AX7PAF1-690.5692T oscillator is based on a quartz crystal and operates in a fundamental mode, which means it is driven at its fundamental resonance frequency. The quartz crystal is mounted on a “piezoelectric resonator”, which is a special type of crystal that is designed to vibrate at a precise frequency. The oscillator is then mounted on a printed circuit board, with the frequency determined by the resonant frequency of the quartz crystal. The oscillator is a voltage-controlled device, and its path is calibrated to reach its desired frequency.

The AX7PAF1-690.5692T oscillator uses a phase-locked loop (PLL) circuit to generate a voltage signal, which is then amplified by an amplifier circuit. The amplified signal is then fed back to the PLL circuit, where it is used to create a lock condition that accurately tracks the frequency of the resonant crystal. As long as the crystal resonates at a stable frequency, the PLL circuit will accurately track it.

The AX7PAF1-690.5692T oscillator is further enhanced by the addition of a temperature compensation circuit and an additional low-noise amplifier circuit. The temperature compensation circuit helps to maintain the accuracy of the oscillator over a range of temperatures, while the low-noise amplifier helps to reduce the amount of unwanted noise created by the oscillator. Both of these additions help to ensure a high level of accuracy and performance.

Conclusion

The AX7PAF1-690.5692T oscillator is a highly precise, reliable, and cost-effective component that is suitable for a wide range of applications. Its wide frequency range and low phase noise make it ideal for applications that require accurate frequency control. Its temperature compensation and low-noise amplifier work together to ensure a high level of accuracy and performance over a range of temperatures. The AX7PAF1-690.5692T oscillator is therefore an ideal choice for communication systems, base stations, automotive applications, and aerospace applications.

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