KC2520K22.5792C10E00

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Oscillators

An oscillator is an electronic device that produces a steady, pulsating output signal of a specific frequency or range of frequencies. Oscillators are used in a wide variety of applications, from generating clock signals for digital circuits to creating output signals for radio transmitters and receivers. Many of these applications require specific parameters, such as frequency, stability, frequency accuracy, and harmonic content, which must be taken into account when selecting an oscillator.

KC2520K22.5792C10E00 is an oscillator from Kytron. It is a low-cost, low-power, precision dual-frequency oscillator which is well suited for various applications. The advantage of this oscillator is that it provides two frequencies in one package, thus reducing board space requirements and eliminates the need for two independent oscillator components.

Application Field

The KC2520K22.5792C10E00 is suitable for applications that require two frequencies, such as modems and signal processors. It can also be used in applications that require a multi-frequency oscillator such as local oscillators in radio receivers, frequency synthesizers in modulation systems, and phase locked loops. In addition, this oscillator can be used in a variety of communication systems, such as cellular/LTE base-stations, Wi-Fi, Bluetooth, ZigBee, and Z-Wave. It can also be used in consumer applications such as audio/video equipment, televisions, set-top boxes, and game consoles.

Working Principle

The KC2520K22.5792C10E00 consists of a quartz crystal resonator and a base oscillator circuit. The quartz crystal resonator consists of a piezoelectric material that vibrates at a specific frequency when a voltage is applied to it. This vibration is called the frequency of oscillation and can be used for timing in many circuits. It is also the basis for frequency stability and accuracy. The base oscillator circuit consists of an inverting amplifier, a feedback loop, and a capacitor. The quartz crystal is used in the feedback loop and its frequency is multiplied by the feedback factor of the amplifier to generate a signal with increased frequency.

The oscillator is designed to provide two selectable frequencies. To achieve this, the oscillator is provided with two sets of loop filters, one for each frequency. By adjusting the respective loop filter parameters, the frequencies of the two oscillators can be adjusted independently. This type of oscillator is referred to as a dual frequency oscillator.

Before being output, the signal is buffered by an amplifier to provide an adequate output power for use in further circuits. This buffered signal is then shaped and conditioned in the output stage so that it meets the exact parameters required by the application. This output signal is then fed back to the quartz crystal resonator, which vibrates at its natural frequency, and the process is repeated.

Conclusion

The KC2520K22.5792C10E00 oscillator is a low-cost, low-power, precision dual-frequency oscillator. It is well suited for various applications that require two frequencies such as modems and signal processors, local oscillators in radio receivers, frequency synthesizers in modulation systems, and phase locked loops. Its construction consists of a quartz crystal resonator and a base oscillator circuit, and provides an output signal that is buffered, shaped, and conditioned to meet the exact parameters required for the application.

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