SIT8208AC-2F-28S-7.372800X

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Oscillators are electronic circuits that produce a periodic signal with a changing amplitude such as a sine wave or square wave. These signals are used in digital systems, communications, radar, and many other applications.The SIT8208AC-2F-28S-7.372800X oscillator is a voltage-controlled oscillator (VCO) that is designed to act as a local oscillator (LO) in most communication systems, including frequency-shift keying (FSK) digital radio. It generates a frequency of 7.372800 Megahertz (MHz) with a frequency stability of 1.5ppm over the temperature range -40°C to +105°C. The VCO has an operating voltage range of 4V to 16V, providing flexibility in its application.

The SIT8208AC-2F-28S-7.372800X has a few core components: an integrated voltage control oscillator (VCXO) core, an on-chip output buffer, and an optional combination of a temperature-compensated crystal oscillator (TCXO) and temperature compensation capacitor (TCC). The VCXO core is responsible for generating the output frequency, while the output buffer amplifies the signal for increased output power. The option of a TCXO and TCC provides additional temperature stability for the oscillator.

In a typical application, the SIT8208AC-2F-28S-7.372800X oscillator is connected to an external frequency-control pin, which receives an input voltage to adjust the frequency of the oscillator. The voltage varies based on the frequency of the output signal and is usually between 0 to 1 V for a range of frequency adjustment. The VCXO core is then tuned to the desired frequency output using the input voltage. An external capacitor is also used to adjust the internal frequency-pulling range of the oscillator, depending on the application.

The SIT8208AC-2F-28S-7.372800X oscillator is typically used in digital radio systems and other communications applications. It can be used as the local oscillator in various frequency-shift keying (FSK) systems, where it is used to generate the transmitted signal frequencies. The oscillator’s frequency stability and operating voltage range also make it ideal for frequency synthesis applications, such as frequency-hopping and antenna array systems.

In summary, the SIT8208AC-2F-28S-7.372800X oscillator is a voltage-controlled oscillator designed for radio communication and other applications which require a stable output frequency. It can be used as a local oscillator in FSK systems and for frequency synthesis in frequency-hopping and antenna array systems. The oscillator offers a maximum output frequency of 7.372800 MHz with a frequency stability of 1.5 ppm, and has an operating voltage range of 4V to 16V.

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