653E31256A2T

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Oscillators: 653E31256A2T Application Field and Working Principle

Oscillators are devices that generate signals with certain electrical and magnetic properties. The 653E31256A2T oscillator is a product of Texas Instruments and is used for multiple application fields. 5Mhz is the typical operating frequency of the oscillator, while 6Mhz and 28Mhz are higher frequency variants available.

The 653E31256A2T oscillator is used in a range of applications from digital and analog TV, DVDs, satellite receivers, wireless communication, and medical equipment. It provides an ideal timing and synchronization solution for audio-video applications including AV tuners, Satellite and Cable TV receivers, DVD players, and Set-top boxes. It also provides accurate timing reference for general-purpose consumer and industrial applications, such as LNB supply, power switching control, vibration sensor control, etc.

The 653E31256A2T oscillator operates using the ECL (emitter-coupled logic) technology with low power consumption. Its low noise and low jitter make it an ideal oscillator for audio and video applications. The oscillator has high frequency stability accuracy of 0.25ppm at 25°C over the temperature range and low phase jitter of 1.8pS or less at +/-100KHz.

The oscillator offers fast settling times down to 10mV offset voltage which improves its switching speed for digital needs. The 653E31256A2T oscillator is also designed to withstand temperature shock and rated with a high grade of environmental shock with typical figure of 300g/0.3 milliseconds. It also provides tight supply current and voltage tolerances to reduce variations in temperature.

The 653E31256A2T oscillator is a dual line-level oscillator that employs a quartz crystal as the oscillator element and has a two-stage amplifier with an output voltage of up to 10V. It requires a power supply voltage of 10V at moderate ambient temperature, and of 16V at high ambient temperatures. The oscillator offers stable and reliable operation even with a wide range of power supply voltages.

The working principle of 653E31256A2T oscillator is simple. A quartz crystal is connected between the positive and negative terminals of the oscillator. When an alternating current is passed through the crystal, it vibrates, which causes oscillations in the circuit. This produces a periodic electric current that can be used for timing or synchronization purposes.

To achieve the specified frequency, the quartz crystal must be mounted with shock-proof rubber damping. This damping helps reduce the vibration, thus providing a more stable frequency output. Moreover, the oscillator employs active components such as transistors and resistors to shape and condition the output waveform for desired application.

In addition, the oscillator is equipped with a control pin to further enhance its frequency stability. The control pin can be connected to a temperature compensating circuit or temperature sensing element and can be used to regulate the peak and valley levels of the output signal to compensate for temperature fluctuations and provide dynamic frequency stability.

The 653E31256A2T oscillator is a reliable device for various application fields. Its excellent performance and wide tolerance range make it a great choice for consumer, industrial, and medical applications. With the low noise and jitter levels, it allows for high precision timing needs without compromising output quality.

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