SIT9120AC-1B3-33E133.333333E

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Oscillators

Oscillators are electrical devices that generate an output signal that is repetitive in nature. They are essential components used in a variety of electronic devices, ranging from simple radio transistors to complex integrated circuits.

SIT9120AC-1B3-3E 133.33333E is a type of oscillator, described as high performance clock signal generator. It is suitable for clock distribution solutions that require fast (low jitter) operation over a wide temperature range.

Application Field

SIT9120AC-1B3-3E 133.33333E is typically used in cellular phones, baseband modems, WIFI, Bluetooth, GPS and automotive applications. It can be used as a clock generator for high speed memory applications, and has the capability to drive multiple devices without additional logic or clock distributors.

The high performance output frequency range of the device, with its advanced low jitter, low noise design, makes it particularly suitable for applications that require higher clock frequency stability. It is also suitable for a variety of system-on-chip applications as well as precision analog and digital signal processing applications.

Working Principle

The SIT9120AC-1B3-3E 133.33333E is a positive-edge triggered oscillator that uses a programmable divider. A clock signal is generated by dividing an input frequency into a high output frequency with minimal jitter. The divider logic module (DLM) is used to generate the output frequency. The DLM consists of two main blocks: a high frequency reference oscillator and a programmable divide by N divider. The frequency of the reference oscillator is precisely controlled by a high resolution adjustable resistor and operates at a frequency in the frequency range of 0.4MHz to 204MHz.

The divide-by-N divider multiplies the reference frequency by a user-specified value (i.e., an integer from 1 to 255). The output of the divide-by-N divider is the desired output frequency. The output frequency can be programmed via the serial interface bus.

The output of the device is a highly stable clock signal with low jitter over a wide temperature range. A secondary reference clock output is also available, which provides a synchronous clock signal that is phase shifted from the primary output.

Conclusion

The SIT9120AC-1B3-3E 133.33333E is a high performance oscillator designed to generate a precise and stable clock signal for a wide range of applications. It features a high frequency reference oscillator that is adjustable via a high resolution adjustable resistor and a programmable divide-by-N divider. It is capable of generating a low-jitter signal with minimal phase noise over a wide temperature range.

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