SIT9121AI-2C2-25E74.250000Y

Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	35mA
Height - Seated (Max):	0.032" (0.80mm)
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	55mA
Operating Temperature:	-40°C ~ 85°C
Series:	SiT9121
Voltage - Supply:	2.5V
Output:	LVDS
Function:	Enable/Disable
Frequency:	74.25MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators: SIT9121AI-2C2-25E74.250000Y

SIT9121AI-2C2-25E74.250000Y was released in 2019 as an oscillator which is capable of meeting and exceeding design requirements in the application field of voltage-controlled oscillators (VCOs). This particular type of oscillator is mainly used in radio and frequency applications such as in Wireless LANs, navigation systems, and marine systems.

Application Fields

This oscillator has several distinct advantages in many different application fields such as:

• Wireless LANs: This oscillator offers great frequency stability and can operate at frequencies up to 5.9 GHz.
• Navigation Systems: It is suitable for a wide range of navigation systems and can meet requirements for high-precision navigation and positioning.
• Marine Systems: The oscillator works well in both lower- and higher-frequency marine operations and can withstand extreme temperatures and vibration.
• Communication Systems: It has the ability to reach higher frequencies and offer excellent stability with low power consumption.

Working Principle

The SIT9121AI-2C2-25E74.250000Y oscillator employs a Voltage-Controlled Oscillator (VCO) configuration and works on the principle of a feedback system. The voltage is applied externally over the oscillator’s external control pin, which corresponds to the amplitude and/or frequency of the output signal.The oscillator is constructed having a two-stage RC circuit with a tank-circuit composed of two capacitors and one inductor in a parallel combination. The two capacitors act as the frequency-limiting elements and the inductor acts as the stabilizing part of the oscillator. The voltage generated by the RC circuit is then fed back to the input through the external control pin, thus producing an oscillating output signal.The output signal of the oscillator can be optimized by adjusting the external control voltage applied to the oscillator. This has the potential to significantly improve the frequency stability and accuracy of the oscillator.The oscillator has a high-power output so it is suitable for higher power applications, such as high-energy radio transmission. Additionally, the oscillator is also capable of providing a low-noise, low-distortion output signal, which makes it suitable for more sensitive applications such as those required in navigation systems.

Conclusion

Overall, the SIT9121AI-2C2-25E74.250000Y oscillator offers a wide range of capabilities that make it suitable for many different applications, including Wireless LANs, navigation systems, marine systems, and communication systems. Its high-power output, coupled with excellent frequency stability and accuracy, make it a highly reliable and cost-effective solution for today\'s electronic devices.

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