SIT3808AC-DF-33EX-75.000000Y

Frequency Stability:	±10ppm
Current - Supply (Disable) (Max):	70µA
Height - Seated (Max):	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
Operating Temperature:	-20°C ~ 70°C
Series:	SiT3808
Voltage - Supply:	3.3V
Output:	LVCMOS
Function:	Enable/Disable
Frequency:	75MHz
Type:	VCXO
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Oscillators, a type of electronic device used to generate and regulate alternating current or digital signals, have become increasingly important parts of modern technology. SIT3808AC-DF-33EX-75.000000Y oscillators are among the most widely used in many applications, including telecommunications, audio devices and medical instrumentation. This article provides an overview of the application field and working principle of the SIT3808AC-DF-33EX-75.000000Y oscillator.

Application Field

SIT3808AC-DF-33EX-75.000000Y oscillators are used in a variety of applications. They are commonly used in wireless communications, including cellular, Wi-Fi and Bluetooth products. Additionally, these oscillators are used in medical applications, such as monitoring of vital signs, imaging and radiation detection systems, and in audio devices to maintain an accurate time reference for digital signal processing.

Working Principle

The SIT3808AC-DF-33EX-75.000000Y oscillator utilizes phase-locked loop (PLL) technology, which is a circuit that is used to maintain a frequency or phase relationship. The basic idea behind a PLL is that it compares a reference signal to a feedback signal and adjusts the feedback signal to match the reference signal. The oscillator works by comparing the frequency or phase of the reference signal to that of the feedback signal and then adjusting the frequency or phase of the feedback signal to match the reference signal. In order to maintain a constant frequency or phase of the feedback signal, the oscillator will continually compare the two signals and adjust the feedback signal accordingly.

Circuit Design

The circuit design of the SIT3808AC-DF-33EX-75.000000Y oscillator is based on a four-stage voltage controlled oscillator (VCO). The first three stages are used to convert the input voltage to the desired frequency, while the fourth stage is used to lock the frequency to the reference. The VCO consists of a feedback loop with an input signal, a reference signal, and a controlled element. The input signal is converted to an analog electrical signal, which is fed to the reference signal. The reference signal is used to control the value of the controlled element, which adjusts the frequency of the VCO.

Conclusion

The SIT3808AC-DF-33EX-75.000000Y oscillator has become ubiquitous in a wide range of applications, offering reliable operation at a competitive price. The underlying principles behind the functioning of this oscillator are based on PLL technology, utilizing an advanced four-stage voltage-controlled oscillator to lock the frequency or phase of the feedback signal to the reference signal. With its wide range of use, the SIT3808AC-DF-33EX-75.000000Y oscillator has become an essential component of modern technology.

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