SIT1602BC-81-18S-33.333300X

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Oscillators

Oscillators are electrical circuits typically used for generating a repetitive, oscillating electrical signal. Such a signal can be used to actuate or drive a mechanical system, such as a motor or speaker or in communications, such as radio wave generation. Oscillators also find numerous applications in computing and provide the basic function in the timing circuits that generate clock signals for digital systems.

The SIT1602BC-81-18S-33.333300X oscillator is a high precision crystal oscillator designed for use in applications where accuracy is required, such as frequency counter and time code generators. The unit features a frequency stability of ±20ppm over a wide temperature range and is suitable for applications that require a very stable frequency reference.

Working Principle

The SIT1602BC-81-18S-33.333300X oscillator works by taking advantage of the mechanical resonance of a quartz crystal. As the crystal is driven by an alternating current, its physical shape will vibrate due to the mechanical resonance of the crystal. This vibration resonates at a specific frequency, which is then “picked up” by the oscillator circuit as an electrical signal.

The oscillator circuit contains a tuned circuit which amplifies the electrical signal so that it produces visible output on a display, or an audible output from a loudspeaker. The tuned circuit also provides feedback which assists in keeping the crystal in oscillation at the desired frequency.

Applications

The SIT1602BC-81-18S-33.333300X oscillator can be used in a wide range of applications. In radio wave transmission, the oscillator provides the signal used to generate the carrier wave. It can also be used in Pll circuits to lock a circuit, for example, to a certain frequency or phase. It can also be used in the timing circuits of digital systems for generating clock signals. In applications where accuracy is a factor, such as frequency counters or time code generators, the stable frequency provided by the SIT1602BC-81-18S-33.333300X oscillator makes it an ideal choice.

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