SIT8008BIF3-18E

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Programmable oscillators are a type of oscillator that can be programmed to output a specified frequency. The SIT8008BIF3-18E is an example of such a product. This application note will describe the application field and working principle of the SIT8008BIF3-18E.

One of the main applications for programmable oscillators is in industrial and embedded systems. These systems often require precise, repeatable frequencies for a wide range of applications such as motor speed control, data acquisition and general frequency stability. The SIT8008BIF3-18E is ideal for these applications since it has a wide frequency range of 0.1MHz to 8GHz, a temperature stability of ±10 ppm over the -10 to +70°C range and a phase noise of -85 dBc/Hz.

The SIT8008BIF3-18E can be programmed to output any frequency within its range, with high accuracy and low power consumption. This is achieved through two digital tuning words and a 3-wire digital interface. The Digital Tuning Word (DTW) is used to program the frequency and the feedback Prescalar Word (PW) is used to program the feedback circuit which adjusts the operating frequency. The 3-wire Digital Interface allows the user to configure the device using simple SPI commands, making programming the SIT8008BIF3-18E faster and easier than ever before.

Another important attribute of programmable oscillators is their high noise immunity. The SIT8008BIF3-18E has an integrated noise reduction system which results in excellent phase noise performance even when operating in very noisy environments. It also has maximum spin frequencies up to 4GHz and a programmable jitter attenuation rate of up to 0.2UIpp.

The SIT8008BIF3-18E is also highly stable over extended periods of time. This is due to the fact that it has a high 20Kbit EEPROM memory, which allows it to store the programmed frequency values even when the power supply is disconnected. This feature makes it ideal for applications that require a long-term, repeatable frequency output.

In summary, the SIT8008BIF3-18E is a programmable oscillator that is ideal for industrial and embedded applications that require precise and repeatable frequencies over a wide range. It has a wide frequency range, excellent phase noise performance and high stability over extended periods of time, making it an excellent choice for applications requiring a reliable and accurate frequency source.

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