LFXTAL003119BULK

Series:	HC49/4H
Packaging:	--
Part Status:	Active
Type:	MHz Crystal
Frequency:	5MHz
Frequency Stability:	±50ppm
Frequency Tolerance:	±30ppm
Load Capacitance:	30pF
ESR (Equivalent Series Resistance):	130 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-10°C ~ 60°C
Ratings:	--
Mounting Type:	Through Hole
Package / Case:	HC-49/US
Size / Dimension:	0.435" L x 0.183" W (11.05mm x 4.65mm)
Height - Seated (Max):	0.161" (4.10mm)

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Crystals: LFXTAL003119BULK Application Field and Working Principle

Introduction

Crystals are an essential component in the generation of electrical signals, and are widely used in the modern electronic industry. The LFXTAL003119BULK is a commercially available crystal oscillator from the ETI Crystals Company that offers reliable performance in its application field. This article provides an overview of the application field of this crystal as well as its working principle.

Application Field

The LFXTAL003119BULK crystal is a voltage controlled oscillator (VCO), intended to generate signals between 3.5 MHz and 5.6 MHz. This frequency range makes it well-suited for applications such as communications, instrumentation, and test equipment. For example, some of the LFXTAL003119BULK’s application include:

• Digital television synchronization
• Radar pulse generation
• Signal modulators
• Signal control for automatic test equipment (ATE)

The LFXTAL003119BULK is an example of a double-sided VCO, meaning that it has two quartz crystals, one on each side of the oscillator module. The quartz crystals regulated by the LFXTAL003119BULK are capable of up to 10 MHz signal generation. This makes the quartz crystals suitable for many high frequency oscillation applications such as wireless communication systems, wide-band jamming systems, and digital broadcasting.

Working Principle

The LFXTAL003119BULK crystal oscillator relies on the piezoelectric effect to produce electrical signals of a specified frequency. The piezoelectric effect occurs when a voltage is applied to a quartz crystal. This causes the crystal to vibrate and generate a signal at an exact frequency determined by the cut and shape of the quartz crystal. The frequency of the signal is controlled by the size, shape, and composition of the quartz crystal, as well as by adjusting the strength of the applied voltage.The internal circuitry of the LFXTAL003119BULK crystal oscillator is based on the classic Pierce oscillator circuit. The Pierce oscillator uses two cross-coupled inverters with a feedback loop, allowing the oscillation frequency to be adjusted by changing the phase shift of one of the inverters. The oscillator has a voltage control input and an output, allowing it to be used in a wide variety of applications.

Conclusion

The LFXTAL003119BULK is a voltage controlled oscillator designed for applications such as communications, instrumentation, and test equipment. This crystal oscillator is based on the classic Pierce oscillator circuit, and utilizes the piezoelectric effect of two quartz crystals to generate up to 10 MHz signals. The LFXTAL003119BULK is an excellent choice for applications that require reliable and accurate signal generation in the 3.5 to 5.6 MHz frequency range.

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