SIT9120AC-2B2-25S148.500000G

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Oscillators

Oscillators are a type of active electronic components, whose purpose is to generate a signal with a certain frequency. This signal is periodic, and can be either of a certain amplitude (constant) or have its amplitude modulated with respect to a reference signal. Oscillators are widely used in various applications, from industrial, scientific and military to consumer products. In this article, we will discuss the SIT9120AC-2B2-25S148.500000G Oscillator, its application field and its working principle.

Description of SIT9120AC-2B2-25S148.500000G Oscillator

The SIT9120AC-2B2-25S148.500000G is a voltage-controlled Crystal Oscillator (VCXO) with an operating frequency of 148.500000GHz. It has a low noise phase jitter performance of 0.6 pS RMS integrated over 10 to 12 KHz period of time. It is a 2.5 V-tolerant device and has a frequency stability over temperature of 50 PPM at - 10 to +65°C. This VCXO has a mean time before failure (MTBF) of 166,000 hours and comes in a 9x7mm SMD package.

Application field

The SIT9120AC-2B2-25S148.500000G Oscillator is primarily used in wireless communication systems, such as wireless router, Wi-Fi, Bluetooth, and GSM cellular networks. In such systems, an oscillator is required for carrier-frequency generation and frequency modulation/demodulation. Furthermore, this device is also used in high frequency GPS applications, wherein precise frequency control is of prime importance to provide an accurate positioning of the GPS device.

Working Principle

The SIT9120AC-2B2-25S148.500000G Oscillator consists of a crystal resonator, a voltage-controlled oscillator (VCO), an amplifier, and a capacitor. The Crystal Resonator is the core part of this oscillator, which enables it to generate the signal of a very specific frequency. The VCO is a device that is used to control the frequency of the oscillator, through a signal from an external source. The amplifier is used to boost the oscillator signal and adjust its amplitude. Finally, there is a capacitor, which is used to provide feedback in the oscillator circuit, to maintain stability and control over the frequency of the generated signal.

Conclusion

The SIT9120AC-2B2-25S148.500000G Oscillator is an advanced VCXO, with a frequency of 148.500000GHz and low phase jitter performance. Its primary use is in wireless communication systems, wherein it is necessary for carrier-frequency generation and frequency modulation/demodulation. This device also finds applications in high frequency GPS applications as well. The SIT9120AC-2B2-25S148.500000G Oscillator works using a crystal resonator, a voltage-controlled oscillator (VCO), an amplifier, and a capacitor.

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