SIT9121AC-2C2-25E125.000000T

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:	-20°C ~ 70°C
Series:	SiT9121
Voltage - Supply:	2.5V
Output:	LVDS
Function:	Enable/Disable
Frequency:	125MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to Oscillators

Oscillators are devices or circuits used to generate a regular, repeating signal with an electronically controlled frequency. They are widely used in a variety of fields such as communications, control systems, and automation. In this article we will discuss the application field and working principle of SIT9121AC-2C2-25E125.000000T oscillator.

SIT9121AC-2C2-25E125.000000T Application Field

The SIT9121AC-2C2-25E125.000000T oscillator is a high frequency, low power device which is designed to generate a range of frequencies from 0.125MHz to 125MHz. This device is designed for use in low voltage applications with frequency stability up to 10 parts-per-million (ppm) over the temperature range of -40°C to +85°C. It is suitable for use in mobile communication and wireless applications, automotive electronics, Wi-Fi and Bluetooth applications, and test and measurement equipment.

SIT9121AC-2C2-25E125.000000T Working Principle

The SIT9121AC-2C2-25E125.000000T oscillator is a CMOS device which utilizes an on-chip oscillator circuit for frequency control. The oscillator operates in a closed loop mode and its output signal is monitored by a frequency detector. The frequency of the oscillator is controlled by varying its bias current. The bias current is generated from a voltage applied to the input of the oscillator circuit. The frequency of the oscillator is then adjusted by varying the amplitude of the input voltage. The voltage is generated from a voltage-controlled oscillator (VCO), whose output is directly connected to the input of the oscillator circuit.

The SIT9121AC-2C2-25E125.000000T oscillator also utilizes a built-in temperature compensating circuit which ensures that the frequency of the oscillator is held constant over a wide range of temperature. This temperature-compensation feature is used to minimize frequency variation due to temperature-induced changes in the characteristics of the components used in the oscillator.

Conclusion

The SIT9121AC-2C2-25E125.000000T oscillator is an excellent choice for use in low voltage applications such as mobile communication and wireless applications, automotive electronics, and Wi-Fi and Bluetooth applications. Its built-in temperature-compensation feature ensures that the oscillator maintains a frequency range of up to 10 ppm over a wide range of temperatures. This makes it an ideal choice for applications requiring accurate and reliable frequency control.

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