AX7HCF1-644.53125T

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Oscillators are fundamental components in electronic circuits, providing a periodic electrical signal. They are widely used in both analogue and digital applications, especially in radio frequency (RF) circuits. The AX7HCF1-644.53125T oscillator is a high quality, low cost, surface mount (SMT) device from CTS. It has a frequency range from 640.53125 to 644.53125 MHz, and offers features such as low jitter, low distortions, high stability and long usage times.

The AX7HCF1-644.53125T oscillator can be used in many different applications. In satellite communications, it can be used as a local oscillator to provide the modulation signals for the uplink and downlink signals. It is also used for frequency division multiplexing (FDM) in wireless communication networks, and for frequency hopping in wireless local area networks (WLANs). In radio broadcast applications, it can be used for wideband FM broadcasting.

In the industrial automation sector, the AX7HCF1-644.53125T oscillator can be used for controlling motor speeds, magnetic head positioning, linear acceleration and high frequency welding. It is also used for closed loop function generator applications, and some applications requiring frequency synthesizers.

As for its working principle, the AX7HCF1-644.53125T oscillator uses a variant of the quartz crystal oscillator circuit. Its 32 kHz internal quartz crystal is connected to two buffer amplifiers, one of which provides the appropriate differential current bias for the crystal, while the other generates a sine wave. The oscillator then amplifies the generated sine wave and feeds it back to the quartz crystal, establishing the oscillation.

The difference between the amplified sine wave and the crystals own frequency becomes the resonant frequency of the crystal. This resonance is maintained through feedback, allowing the oscillator to continuously generate a sine wave with a stable frequency. The AX7HCF1-644.53125T oscillator also has several stages of parallel active dampening to reduce jitter and distortion.

In conclusion, the AX7HCF1-644.53125T oscillator is a versatile and high quality SMT device that can be used in a wide range of applications. Its quartz crystal oscillator circuit makes it highly stable and accurate, while its active dampening reduce jitter and distortion. It is therefore an excellent choice for any high frequency applications requiring stability, accuracy and reliability.

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