SIT3809AI-D-18NG

Frequency Stability:	±10ppm
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):	33mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-40°C ~ 85°C
Frequency Stability (Total):	--
Series:	SiT3809
Voltage - Supply:	1.8V
Output:	LVCMOS, LVTTL
Function:	--
Available Frequency Range:	80MHz ~ 220MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	VCXO
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Bulk

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Programmable Oscillators: SIT3809AI-D-18NG Application Field and Working Principle

Programmable oscillators can be found in a variety of applications, ranging from telecommunications systems and automotive systems to medical equipment and industrial control systems. As the name suggests, they are programmable with preprogrammed settings, meaning they can be easily adjusted to meet a variety of needs. The SIT3809AI-D-18NG is a programmable oscillator from Sitronix Technology Co., Ltd. that offers precision and accuracy for a variety of applications.

Applications of the SIT3809AI-D-18NG

The SIT3809AI-D-18NG oscillator is designed for applications where precise tuning is required, such as telecommunications infrastructures, industrial automation systems and medical equipment. It is a reliable, low power, and high frequency oscillator suitable for multiple applications. Furthermore, the SIT3809AI-D-18NG can be used in applications running at 3.3V, 2.5V, and 5V.

Working Principle of the SIT3809AI-D-18NG

The SIT3809AI-D-18NG oscillator is based on the use of an external RF oscillator and a programmable voltage-controlled crystal oscillator (VCXO). Using an external RF oscillator, the SIT3809AI-D-18NG is able to achieve a precise and stable center frequency, meaning it’s accurate over a range of operating temperature.The VCXO, or voltage-controlled crystal oscillator, generates precise frequency by changing capacitance and frequency respectively by inputting different voltages. As the SIT3809AI-D-18NG can be programmed, the tuning capacitance and the frequency can be adjusted through an electrical control. The programmable frequency can be up to 160MHz, making it suitable for a wide variety of applications.

Features of the SIT3809AI-D-18NG

The SIT3809AI-D-18NG features many features that make it suitable for various applications. It features a wide frequency range of 600KHz - 160MHz and a low power consumption of 3-4mA. In addition, the SIT3809AI-D-18NG has a residual phase noise performance of -125dBc/Hz at 100KHz.The SIT3809AI-D-18NG also has a high-speed digital control interface for quick programming of the frequency and tuning capacitance. Through the use of this digital control interface, users can easily configure the SIT3809AI-D-18NG to meet their application requirements.

Conclusion

The SIT3809AI-D-18NG programmable oscillator is a reliable and precision device that is suitable for a variety of applications. It can achieve an accurate center frequency while consuming low power and providing a low residual phase noise performance. Furthermore, it is programmable with a high-speed digital control interface, allowing users to easily configure the oscillator to meet their needs. Thus, it is an ideal choice for a variety of applications requiring precision and accuracy.

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