SIT8008ACU1-25S

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Programmable oscillators, or PLLs, are devices which allow the user to adjust the frequency of the oscillator by varying the parameters of an internal feedback loop. This makes them ideal for applications where frequency accuracy and stability is a must, and where a wide range of frequencies needs to be generated.The SIT8008ACU1-25S is a programmable oscillator from Rinan Technology Co., Ltd. It is a specific type of PLL, using a charge-pump-based frequency synthesizer, which allows the user to program up to 25 different frequencies.

The main feature of the SIT8008ACU1-25S is its versatility, as it is designed to be suitable for a wide range of applications. It can be used for wireless communication, GPS, access control systems, remote control, and more. It is also suitable for use in harsh environments, as it has a wide operating temperature range of -45°C to +85°C. In addition, the SIT8008ACU1-25S is RoHS compliant and meets various EMI safety standards.

In terms of its performance, the SIT8008ACU1-25S offers outstanding frequency accuracy and stability. The device can provide frequencies up to 10.2 GHz, with frequencies below 1 GHz having a typical accuracy of up to ±2 ppm. It also has excellent frequency stability, with a typical frequency drift of ±1 ppm/°C over its operating temperature range.

The SIT8008ACU1-25S is easy to configure and program, making it an ideal solution for applications requiring a wide range of frequencies. The device provides various programmable features, including two serial ports for programming, monitor ports for monitoring the status of the output and the system, and an enable port for enabling or disabling the output. In addition, the device also offers various protection functions to ensure reliable operation, including over-current and over-voltage protection.

The working principle of the SIT8008ACU1-25S is relatively simple. It uses a phase-locked loop (PLL) to generate two signals, which are then combined to produce the desired frequency output. The PLL is used to provide a stable frequency output and is clocked using an internal temperature compensated oscillator (TCXO). The frequency of the TCXO is then adjusted using a charge-pump PLL which allows the user to select up to 25 different output frequencies. Once the desired frequency has been selected, the charge-pump PLL is used to drive the internal feedback loop and to keep the output frequency stable.

In summary, the Rinan Technology Co. SIT8008ACU1-25S is an ideal solution for applications where frequency accuracy and stability are critical. Its charge-pump-based frequency synthesizer allows the user to program up to 25 different frequencies and provides excellent frequency accuracy and stability. Additionally, its various protection functions ensure reliable operation. This makes the SIT8008ACU1-25S suitable for a wide range of applications, from wireless communication to industrial control.

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