SIT3822AI-1C-33NE

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Programmable oscillators are extremely versatile, allowing the user to select and program their parameters with an accuracy of a few parts per million (ppm). SIT3822AI-1C-33NE oscillators are no different, as they provide a reliable and stable platform for a wide range of applications.

SIT3822AI-1C-33NE is a voltage controlled programmable oscillator from the THx family of oscillators manufactured by Suiling. It is specifically designed for broadband wireless applications as it can handle frequencies up to 2.3 GHz. It has a size of 6x6mm, making it very compact and suitable for a range of applications. The oscillator operates at relatively low voltage (1.8V-3.3V depending on frequency range) and has an impressed current of 100mA (max.).

The SIT3822AI-1C-33NE offers a wide range of features, including adjustable frequency ranges from 1MHz to 2.3GHz and low phase noise performance, as well as broad bandwidth up to20MHz. The frequency accuracy can also be programmed from ±0.2ppm to ±50ppm in a selectable range. The device supports temperature compensation, sleep mode, and adjustable waiting time for a faster power-on. The oscillator can also operate in either a low-power standby mode or a low-power active mode.

The key to SIT3822AI-1C-33NE’s versatility is its Control Port. The oscillator’s Control-Port allows users to tailor the frequency range and accuracy parameters to their exact specifications by connecting two pins to their main board. Furthermore, the oscillator also supports I2C to communicate with the main board, making it ideal for applications with a wide range of high-speed operations. With the I2C interface, users can also dynamically control the frequency and accuracy of the device in real-time.

In terms of working principle, the SIT3822AI-1C-33NE oscillator consists of a voltage controlled crystal oscillator (VCXO) combined with a voltage-controlled amplifier (VCA), a voltage-controlled reference circuit and a frequency programmed programmable logic device (PLD). The PLD provides a unique characteristic to the device, as the current frequency can be adjusted by controlling the voltage applied to the VCA, effectively controlling the frequency range and accuracy. The reference applied to the VCXO is adjustable from within the PLD itself.

In addition to its ability to be programmed, SIT3822AI-1C-33NE is also designed to endure harsh environments. The device is designed to withstand temperatures of -40°C to +85°C and shock tolerance of up to 2000G (longitudinal, 5-50Hz).

Due to its versatility and reliability, SIT3822AI-1C-33NE is used in a wide range of applications, such as Bluetooth and WiFi modules, medical ultrasound devices, GPS receivers, industrial transponders, avionics and robotics. The oscillator is also used in applications that require high accuracy and stability, such as telecommunications and navigation systems.

In conclusion, SIT3822AI-1C-33NE is a versatile and reliable programmable oscillator from the THx family of oscillators. It has a wide frequency range up to 2.3GHz, adjustable frequency accuracy from ±0.2ppm to ±50ppm and is designed to endure harsh environments. Its key features, as well as its ability to be programmed and I2C communications make it an ideal choice for a wide range of wireless applications.

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