ECS-42-12-4X

Series:	HC-49USX
Packaging:	Bulk
Part Status:	Active
Type:	MHz Crystal
Frequency:	4.194304MHz
Frequency Stability:	±50ppm
Frequency Tolerance:	±30ppm
Load Capacitance:	12pF
ESR (Equivalent Series Resistance):	150 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-10°C ~ 70°C
Ratings:	--
Mounting Type:	Through Hole
Package / Case:	HC-49/US
Size / Dimension:	0.447" L x 0.183" W (11.35mm x 4.65mm)
Height - Seated (Max):	0.138" (3.50mm)

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Introduction

Crystal oscillators are devices that use the piezoelectric effect in certain materials to produce a precisely tuned frequency of electrical energy. They are popular for a variety of uses, including in communication, navigation, and timing applications. The ECS-42-12-4X is a type of crystal oscillator that is specifically designed for use in high temperature and radiation environments. This article will discuss the applications and working principles of this particular device.

Applications

The ECS-42-12-4X crystal oscillator is ideal for use in applications where a stable frequency is needed in rugged and extreme environments. It has been specifically designed to withstand temperatures up to 200°C and exposure to harsh radiation levels. This makes it an excellent choice for spacecraft, military aircraft, and other such extreme environments. In addition, the device is also suitable for use in devices that require low-noise operation in high temperature conditions, such as automotive electronics.

Design

The ECS-42-12-4X crystal oscillator is designed to operate with a standard frequency of 12MHz and can be adjusted over a range of 10–50MHz. It is constructed with a quartz crystal wafer mounted in a ceramic package, and then sealed. This makes it extremely resistant to shocks, vibrations, and thermal fluctuations. The tolerances on these devices are extremely tight—the frequency tolerance is typically ±0.5ppm. This makes them suitable for precision timing and communication applications.

Working Principle

The ECS-42-12-4X crystal oscillator works on the principle of the piezoelectric effect. This is a phenomenon that occurs when an electric field is applied to a quartz crystal wafer, causing it to vibrate at a precise frequency. The crystal is connected to an amplifier circuit, which amplifies the signal generated by the crystal and converts it into the desired output frequency. The amplifier circuit also helps to minimize any noise or interference in the signal, ensuring a clean output.

Conclusion

The ECS-42-12-4X crystal oscillator is an ideal choice for use in extreme operating conditions such as high temperatures, shock, and radiation. It is well suited for a variety of applications, including communication, navigation, and timing. The oscillator is designed to provide stable frequency signals and is highly resistant to noise and interference. Its working principle relies on the piezoelectric effect, where an electric field is applied to a quartz crystal wafer to cause it to vibrate at a precise frequency.

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