SIT9005ACT2G-18DJ

Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Height:	0.030" (0.76mm)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	5.5mA
Spread Spectrum Bandwidth:	-2.62%, Down Spread
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	--
Series:	SIT9005
Voltage - Supply:	1.8V
Output:	LVCMOS
Function:	--
Available Frequency Range:	1MHz ~ 141MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	SSXO
Base Resonator:	MEMS
Part Status:	Active

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Programmable Oscillators: SIT9005ACT2G-18DJ Application Field and Working Principle

Programmable oscillators are versatile devices that offer the ability to control precise, repeatable timing in a wide range of applications. The SIT9005ACT2G-18DJ is a specialized programmable oscillator designed for use in high-precision, high-frequency timing applications. This article will explore the applications and features of this device and discuss its working principle.

Applications of the SIT9005ACT2G-18DJ

The SIT9005ACT2G-18DJ is a programmable oscillator designed mainly for use in very high frequency, highly accurate timing applications. The device is particularly suited for use in the telecommunications and aerospace industries. It is also applicable in other industries such as automotive, medical, military and instrumentation.The SIT9005ACT2G-18DJ features an exceptionally low-jitter output, with variations of less than 10 picoseconds (ps) typical over a wide frequency range. This makes it suitable for applications requiring extremely high-precision timing, such as gigabit Ethernet, WDM (Wavelength Division Multiplexing), advanced modems, and other advanced communications equipment.The device is available in either a low-current (LQO) or low-voltage (LVO) version. These versions feature low-noise, high-accuracy frequency control, making them ideal for power-saving and extremely accurate timing applications.

Features of the SIT9005ACT2G-18DJ

The SIT9005ACT2G-18DJ features a wide frequency range, from 10KHz to 1GHz, and operation over a wide temperature range (−40°C to +105°C). It also features a wide voltage supply range (from 2.25V to 5.5V) and a very low-frequency start-up time (just 4μs).The device is highly programmable and can be easily adjusted to suit a variety of applications. It has a built-in programmable output divider, allowing for simple and precise frequency division, and a programmable phase jitter-compensation circuit to reduce output skew and jitter noise.The SIT9005ACT2G-18DJ also benefits from a wide variety of protection features, including frequency monitor for monitoring its operation and a central control function for further precision frequency control. Additionally, the device’s open- or closed-loop control functionality makes it ideal for use in highly reliable systems.

Working Principle of the SIT9005ACT2G-18DJ

The SIT9005ACT2G-18DJ is a programmable oscillator specifically designed to produce precise, repeatable timing signals. The device works by programmably controlling the timing of oscillator output pulses in order to meet stringent accuracy specifications.The oscillator consists of a voltage-controlled oscillator (VCO), a programmable frequency divider and a programmable phase jitter-compensation circuit. The VCO generates a continuous waveform that is divided by the programmable frequency divider and then subjected to the phase jitter-compensation circuit.The frequency divider divides the oscillator output into a programmable number of output pulses. This allows the output frequency to be accurately controlled. The phase jitter-compensation circuit then further reduces the jitter of the output signals, providing exceptionally accurate timing control.

Conclusion

The SIT9005ACT2G-18DJ is a specialized programmable oscillator designed for use in high-precision, high-frequency timing applications. It features an exceptionally low-jitter output, with variations of less than 10 picoseconds typical over a wide frequency range. The device is highly programmable and can be easily adjusted to suit a variety of applications. It works by programmably controlling the timing of oscillator output pulses in order to meet stringent accuracy specifications. The SIT9005ACT2G-18DJ is well-suited for applications in the telecommunications and aerospace industries and other industries requiring high-precision timing.

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