SIT8209AC-23-25S-133.333330X

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SIT8209AC-23-25S-133.333330X is a one of the high-performance voltage-controlled oscillators (VCOs). It provides a wide selection of output frequency in the range of 2.52 GHz to 3.55 GHz to support a wide range of applications, such as from data transmission systems to wireless communications systems. This digital VCO utilizes an advanced on-chip Digital Frequency Synthesis (DFS) technology, which makes the output frequency as stable as ±10 ppm over temperature and voltage supply variation.

SIT8209AC-23-25S-133.333330X is a low-power VCO, with the maximum value of 4.5 mA and typical values of 220 µA from a 5 V supply. Low-power consumption is very important in applications where power is a precious resource and should be saved as much as possible. The VCO also features a low phase noise of -90 dBc/Hz at 1 kHz offset and fast lock time. Furthermore, this VCO has a low pull-in range of around ±76.5 kHz from 2.52 GHz to 2.620 GHz and ±150 kHz from 2.620 GHz to 3.55 GHz.

The working principle of the SIT8209AC-23-25S-133.333330X VCO is based on the voltage–frequency control. It transforms an input voltage signal into the output frequency by varying the voltage of the DC bias applied to the VCO. The DC bias level affects the inductance, capacitance, and resonant frequencies of the VCO. The produced frequency range is limited by the frequency-dependent properties of the inductor and capacitor.The VCO frequency response changes when a voltage signal is applied. Based on the applied voltage, the resonant frequency of the tank circuit changes. This variation of the resonant frequency of the tank circuit helps in producing the VCO output.

Due to its wide frequency range and outstanding performance in terms of phase noise, temperature stability, and low current draw, SIT8209AC-23-25S-133.333330X is ideal for use in applications such as wide frequency hopped radio systems, microwave point-to-point systems, GSM/EDGE applications, base station switching applications, and communications systems. It can also be used in data transmission systems to support high-speed data transmission and in wireless communications systems to ensure reliable data transmission.

In short, the SIT8209AC-23-25S-133.333330X is a voltage-controlled oscillator (VCO) with a wide frequency range. It features fast lock time, low-power consumption, and low phase noise. It is suitable for use in various applications, such as microwave point-to-point systems and GSM/EDGE applications. The working principle of the VCO is based on the voltage-frequency control, where an input voltage signal is transformed into the output frequency by varying the voltage of the DC bias applied to the VCO.

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