SIT9002AI-38H33DB

Frequency Stability:	±50ppm
Height:	0.039" (1.00mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	51mA
Spread Spectrum Bandwidth:	±0.25%, Center Spread
Operating Temperature:	-40°C ~ 85°C
Frequency Stability (Total):	--
Series:	SiT9002
Voltage - Supply:	3.3V
Output:	CML
Function:	--
Available Frequency Range:	1MHz ~ 220MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Bulk

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Programmable Oscillators – SIT9002AI-38H33DB Application Field and Working Principle

A programmable oscillator is an oscillator that can be adjusted in frequency, making it a suitable choice for a wide variety of applications. It is one of the most reliable and accurate types of oscillators and is often used in signal processing or signal transmission. In this article, we’ll discuss the application field and working principle of a typical programmable oscillator, the SIT9002AI-38H33DB.

Application Field of the SIT9002AI-38H33DB

The SIT9002AI-38H33DB is a quartz crystal programmable oscillator that has a wide dynamic range frequency output of 57 kHz to 3.2 GHz, making it suitable for many different types of applications. It is widely used in the communications, aerospace, and medical fields for frequency control. The SIT9002AI-38H33DB is also popular in telecommunication devices, data networks, navigation systems, and other equipment that require the synchronization of multiple signals within the same frequency band. Additionally, the SIT9002AI-38H33DB is also used in radar systems to provide a high degree of precision that is required for detecting targets.

Working Principle of the SIT9002AI-38H33DB

The SIT9002AI-38H33DB is based on a quartz crystal oscillator technology and it uses a crystal resonator as its timing source. This crystal has the ability to oscillate at a specific frequency depending on its physical properties. The crystal is connected to the oscillator circuit and it is used to generate an oscillating signal at a predetermined frequency. This oscillating signal is then amplified and filtered in order to create a clean and stable signal. The oscillation frequency of the SIT9002AI-38H33DB can be adjusted either externally or internally.

External Frequency Adjustment

The SIT9002AI-38H33DB can be adjusted externally by applying an external voltage to a programmable variable capacitor. This variable capacitor, in conjunction with a predetermined resistor, is connected to the quartz crystal and it is used to adjust the frequency by increasing or decreasing the capacitance. This type of frequency adjustment is particularly useful for applications that require an extremely accurate frequency such as in radar systems.

Internal Frequency Adjustment

The second option for frequency adjustment is to use an internal digital data chip. This chip is programmed at the factory to provide the oscillator with the desired frequency output. It is then connected to the oscillator circuit and it is used to adjust the frequency output of the oscillator. The advantage of using an internal digital data chip is that it provides a more consistent frequency output. Additionally, the frequency output can be adjusted much quicker and more accurately than the external frequency adjustment.

Conclusion

The SIT9002AI-38H33DB is a quartz crystal programmable oscillator that offers a wide range of frequencies, making it suitable for a variety of applications. Its external frequency adjustment makes it extremely accurate and reliable, while its internal digital frequency adjustment makes it easier to adjust quickly and accurately. As a result, the SIT9002AI-38H33DB is a popular choice for various communications, aerospace, and medical applications.

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