SIT8008BIF3-33S

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Programmable oscillators are applicable in various fields such as system clock design, frequency-agile radios, frequency synthesis and time keeping. Modern integrated circuits make it possible to program behavior and have the oscillator adjust itself with changing conditions. The SIT8008BIF3-33S is a programmable oscillator that can easily be integrated into systems and applications as a low cost solution.

The SIT8008BIF3-33S oscillator device is designed in a 3.3V LVCMOS operating voltage, and 5 x 7 mm, 10-pin package. This device provides clock generation with the flexibility to control frequency in a fraction of floor space required for custom oscillators. It consists of two main components, the Voltage Controlled Oscillator (VCO) and the Frequency Synthesizer. The VCO is the main component of the oscillator and provides an output clock frequency that is programmable up to 500MHz. The Frequency Synthesizer provides the information on the VCO to enable the programmable frequency changes.

The frequency of the SIT8008BIF3-33S is programmable in the range of 4.0MHz to 500MHz via the CS pins. It uses an external resistor (RX) and capacitor (CX) to achieve higher frequencies, and this period is programmed by changing the value of RX and CX. The frequency can also be changed by programming the internal trimming capacitors. The frequency accuracy of this oscillator is 0.5% and the jitter performance is less than 40ps over a period of one second. The VDD power supply voltage range is from 2.375V to 3.6V.

As mentioned earlier, the SIT8008BIF3-33S oscillator has two main components. The first one is the VCO and it provides the main clock frequency for the system. The VCO is driven by a voltage input and a capacitor; a particular frequency can be programmed with varying frequency coefficients. The second component is the Frequency Synthesizer, which provides the information on the VCO. This synthesizer uses digital circuitry to generate the frequency signals to the VCO.

In terms of performance, the SIT8008BIF3-33S oscillator has a frequency stability of 0.1ppm to ±200ppm, with a wide range of frequency tuning and stability capabilities. The jitter specification is 20psrms to ±50psrms, and harmonic distortion is less than 1%. Due to the low power consumption and wide operating temperature, the SIT8008BIF3-33S can be used in highly power sensitive applications. In addition, this oscillator is designed to be resistant to electromagnetic interference, which makes it a good choice for applications that require high frequency stability.

The SIT8008BIF3-33S is one of the few programmable oscillators that can be used for a variety of applications. It is suitable for system clock design, frequency-agile radios, frequency synthesis and time keeping. It is especially useful for the design of portable and battery-powered systems. This oscillator can easily be integrated into existing systems and applications as a low-cost solution, due to its integration with modern integrated circuits.

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