ASFL1-3.6864MHZ-EC-T

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Oscillators

Oscillators are electronic circuits that generate a continuous, repeated, oscillating electronic signal. These signals are used widely throughout many modern electronic devices, ranging from a radio receiver that grants access to a wide variety of radio channels to computer chip timing systems. One example of an oscillator is capable of being implemented is the ASFL1-3.6864MHZ-EC-T. This article will discuss its application field and working principle.

Application Field

The ASFL1-3.6864MHZ-EC-T oscillator is designed for applications that require a very accurate and stable center frequency. This oscillator operates within a frequency range of 3.682MHz to 3.688MHz, with good accuracy (better than 1ppm accuracy) making it a perfect fit for a variety of applications. Its main use is for timekeeping and signal amplification of precision data in computer systems. ASFL1-3.6864MHZ-EC-T is also suitable for microcontroller based systems, industrial automation systems, medical systems, and broadcasting applications.

Working Principle

The ASFL1-3.6864MHZ-EC-T is based on the Pierce oscillator principle. This oscillator works by providing positive feedback from an amplifier to a quartz crystal. This process creates an oscillation, which is the basis of the oscillator’s frequency synthesizing capabilities. This oscillator is further enhanced with the use of an integrated circuit, which boosts the performance of the oscillator and enables it to produce a much more consistent frequency.

To ensure the accuracy of the oscillator, the ASFL1-3.6864MHZ-EC-T uses an off-chip resistor ladder network to divide the crystal’s frequency into much smaller fractions. This is done to ensure a highly accurate oscillation, as it eliminates the chances of error from the crystal. The resistor ladder network is implemented using an external resistor and a varactor, which can easily be modified for any required oscillation frequency.

The oscillator itself is integrated into a 32-pin quad flat no-lead(QFN) package. This package ensures that the oscillator is protected from electromagnetic interference and is easy to implement in a variety of small form factor applications. The total power consumption of the ASFL1-3.6864MHZ-EC-T is relatively low (150mA max) as compared to other oscillators, making it an ideal choice for battery-powered systems.

The ASFL1-3.6864MHZ-EC-T is a highly accurate and stable oscillator that is suitable for a wide range of applications. It operates within a frequency range of 3.682MHz to 3.688MHz, with good accuracy (better than 1ppm accuracy). It utilizes a Pierce oscillator principle to generate its oscillations and is further enhanced with an integrated circuit and an off-chip resistor ladder network. The total power consumption of the oscillator is relatively low (150mA max), making it well suited for battery-powered systems. Its 32-pin QFN package ensures it is protected from external interference and easy to implement in any size application.

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