SIT9005ACT2H-28DD

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):	6.5mA
Spread Spectrum Bandwidth:	±0.515%, Center Spread
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	--
Series:	SIT9005
Voltage - Supply:	2.8V
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: SIT9005ACT2H-28DD Application Field and Working Principle

Oscillators are useful devices in electrical engineering used to generate a precise frequency signal. Programmable oscillators, in particular, can be used to generate precise and adjustable frequency signals in a wide range of applications catering to specific needs. The SIT9005ACT2H-28DD is a programmable oscillator that offers superior signal accuracy and stability, making it suitable for demanding embedded applications. This article will discuss the SIT9005ACT2H-28DD in greater detail and its application field, as well as its working principle.

Features of SIT9005ACT2H-28DD Programmable Oscillators

The SIT9005ACT2H-28DD is an air-cavity packaged programmable oscillator offering superior signal accuracy and stability. It is designed to meet stringent performance requirements that are essential for embedded applications. The SIT9005ACT2H-28DD is a high-performance frequency control solution that supports a wide frequency range from 10 MHz to 500 MHz, making it suitable for multiple applications. Additionally, the SIT9005ACT2H-28DD offers low vibration sensitivity, low jitter and excellent linearity for optimum performance. It also features an industry-beloved 4.5 x 6.5 mm LCC package and is RoHS compliant.

Application Field of SIT9005ACT2H-28DD Programmable Oscillators

The SIT9005ACT2H-28DD is designed for use in embedded applications requiring precise and adjustable frequency signals, such as SONET/SDH, Ethernet switches and routers, ATM switches, xDSL, base station applications and DWDM equipment. It is suitable for telecom and datacom system designs and is ideal for applications where high performance and small size is important. The SIT9005ACT2H-28DD is also suitable for demanding military and aerospace applications, with its ability to operate over a wide temperature range of -40°C to 85°C.

Working Principle of SIT9005ACT2H-28DD Programmable Oscillators

The SIT9005ACT2H-28DD works by converting an electrical input signal into an output signal that is in phase with the input. It utilizes a unique and patented technique called thermally compensated crystal oscillators or “TCXOs”, which are designed to reduce frequency variations related to changes in temperature, reducing the need for frequent adjustments or recalibrations and providing a stable frequency output. The TCXOs utilize a circuit that senses the temperature surrounding the oscillator, and applies a small voltage to the voltage-controlled crystal oscillator (VCXO) to counteract the change in temperature and ensure a stable frequency output.

Conclusion

The SIT9005ACT2H-28DD is a high-performance programmable oscillator that offers superior signal accuracy and stability making it suitable for use in embedded applications. Its wide frequency range and low jitter, as well as its 4.5 x 6.5 mm LCC package make it an ideal choice for use in demanding military and aerospace applications. The SIT9005ACT2H-28DD features a unique and patented technique called thermally compensated crystal oscillators or TCXOs, which helps reduce frequency variations related to changes in temperature and thereby provides a stable frequency output.

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