ASCO-12.288MHZ-EK-T

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Oscillators are electrical circuits that generate periodic electrical signals by recycling part of an output signal back to the input with a fixed phase delay. The wide range of oscillators used in electronics engineering includes the basic sinusoidal wave generators, pulse generators, relaxation oscillators, varactors and phase-locked loops. Different types of oscillators are used for different applications, such as signal generating, timekeeping and frequency measuring, often requiring specific frequency and stability operation. Based on this application field and background, the ASCO-12.288MHZ-EK-T oscillator model is a quartz crystal material used in applications within consumer electronics, military and industrial. The oscillator offers advanced features when compared to other oscillator models, including long-term stability and high accuracy frequency.

The ASCO-12.288MHZ-EK-T model consists of a quartz crystal material in combination with an oscillating circuit. The quartz crystal used is an AT cut crystal, which is very stable over temperature and offers a tight frequency tolerance of ±0.5ppm or ±3.6Hz over the full operating temperature range from -20°C to +70°C. The oscillating circuit includes a tuned passive RC network which provides an accurate and well-behaved high resolution oscillator output. The oscillator output amplitude can be factory set to 3V, 5V and 7V, while the operating current can be set to 30mA, 50mA and 100mA. The ASCO-12.288MHZ-EK-T is designed and manufactured in accordance with industry standard SMT package size 0605 (1.50mm x 0.8mm x 0.4mm).

The operation of the ASCO-12.288MHZ-EK-T is based on conventional quartz crystal oscillator design. The oscillator consists of an active and two passive components connected to an RC network. The active component is an operational amplifier integrated circuit (IC) which functions as a voltage-controlled oscillator (VCO). This IC also has an on-chip voltage divider to convert the sine wave feedback into a consistent DC logic level. The two passive components are the quartz crystal and a capacitor, which act together as an output frequency discriminator. This combination of components provides a stable oscillating frequency. The oscillator output is a sinusoidal waveform that is proportional to the input logic level.

The ASCO-12.288MHZ-EK-T oscillator is especially useful in applications requiring high accuracy frequency, such as frequency synthesizers, DCN synthesizers, timing circuits, digital delay lines and clock/data recovery circuits. The oscillator is also suited for applications where continuous stability is important, such as satellite communications and military applications. As the ASCO-12.288MHZ-EK-T is a surface mount component, it is ideal for high volume consumer production. The oscillator is also a cost-effective solution, offering a good mix of features when compared to alternative oscillators.

In conclusion, the ASCO-12.288MHZ-EK-T oscillator offers a stable and adjustable frequency, making it ideal for a range of applications where reliability and accuracy are paramount. The oscillator is designed for surface-mount implementation, making it suitable for high-volume consumer production. The quartz crystal material provides a high accuracy frequency tolerance, coupled with a generous operating temperature range. The oscillator provides good features for its reasonable cost, making it a good choice for applications requiring a reliable, accurate and stable frequency band.

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