SIT8208AC-GF-18S-66.666000X

Frequency Stability:	±10ppm
Current - Supply (Disable) (Max):	10µA
Height - Seated (Max):	0.032" (0.80mm)
Size / Dimension:	0.106" L x 0.094" W (2.70mm x 2.40mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	31mA
Operating Temperature:	-20°C ~ 70°C
Absolute Pull Range (APR):	--
Series:	SiT8208
Voltage - Supply:	1.8V
Output:	LVCMOS, LVTTL
Function:	Standby (Power Down)
Frequency:	66.666MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Oscillators are electronic circuits that generate a continuous (or discrete) repetitive electronic signal that is used in a wide array of applications. Common types of oscillators includes sinusoidal and square wave oscillators, which generate signals with perfect sine wave and square waveforms, respectively. In this article, we will delve into the application field and working principle of the SIT8208AC-GF-18S-66.666000X oscillator, which is a discrete-time oscillator based on Pulse Width Modulated (PWM) technology.

Application Field of SIT8208AC-GF-18S-66.666000X

Broadly speaking, the SIT8208AC-GF-18S-66.666000X oscillator is a versatile and reliable oscillator for a wide range of applications. All critical components of the oscillator are based on the latest CMOS process technology and conform to RoHS and REACH requirements. The SIT8208AC-GF-18S-66.666000X can be applied to applications related to timing, clock synchronization, system clocking, testing and measurement, as well as in systems involved in digital signal processing, data communications, and wireless applications. The oscillator also features an array of other features that makes it well-suited for a number of applications, such as wide frequency ranges (600 Hz to 66.666 MHz), high precision ( ±30ppm jitter) and high stability ( ±3ppm). Overall, the SIT8208AC-GF-18S-66.666000X is a versatile and reliable oscillator for a wide range of applications related to timing and synchronization.

Working Principle of SIT8208AC-GF-18S-66.666000X

The SIT8208AC-GF-18S-66.666000X is a TCXO (Temperature Compensated Xtal Oscillator), which meaning it uses oscillator crystals (XTALS) as frequency sources. These crystals are used to generate a frequency reference which is then compared to a fixed voltage reference, which is controlled by the NTC (Negative Temperature Coefficient) temperature compensation circuit. The frequency generated by the crystal is adjusted to the desired frequency by adjusting the resistance of the NTC as it changes with the temperature. This adjustment ensures the stability of the oscillator so that it can maintain the same frequency over a wide temperature range.The oscillator works by applying a voltage signal to the crystal, which then oscillates at the desired frequency. The frequency of the oscillator is determined by the parallel capacitance and the series inductance of the crystal, as well as by the impedance of the NTC. The output of the oscillator is a sine wave signal, which is then converted to a digital output.

Conclusion

The SIT8208AC-GF-18S-66.666000X oscillator is a reliable and versatile oscillator that can be used in a wide range of applications related to timing and synchronization. The oscillator is based on Pulse Width Modulated (PWM) technology and utilizes a crystal oscillator as its frequency source. The oscillator is then adjusted to the desired frequency using a NTC temperature compensation circuit. The output of the oscillator is a sine wave signal, which is then converted to a digital output.

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