Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.067" (1.70mm)
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):	18mA
Operating Temperature:	-20°C ~ 70°C
Series:	ECSpressCON™ ECX-L
Voltage - Supply:	2.5V
Output:	LVDS
Function:	Enable/Disable
Frequency:	80MHz
Type:	XO (Standard)
Part Status:	Active
Packaging:	Bulk

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Oscillators: ECX-L27CM-80.000 Application Field and Working Principle

Oscillators refer to the generation of ccurvular waves or signals of single or multiple frequencies, which are usually within a certain range (its amplitude will not be overly high). They are widely used in computers, communications, electronic musical instruments, aerospace industry, navigation, electronic medical equipment, etc. ECX-L27CM-80.000 is a kind of piezoelectric oscillators.

Application Field of ECX-L27CM-80.000

Piezoelectric oscillators often use quartz crystal as their resonator material, making them small and light in size and yet with high precision. This makes them particularly suitable for applications such as base station clock and professional audio equipment, where integration and stability are especially emphasized. Compared with LC tanks and other oscillators, the ECL-L27CM-80.000 shows higher stability. Its temperature effects and frequency aging effects are excellent, making them suitable for high reliability requirements. As such, they are commonly used in base station clocks, digital television broadcast equipment, professional audio equipment, wireless communication system and some precision positioning applications in the military industry.

Working Principle of ECX-L27CM-80.000

The ECX-L27CM-80.000 is a piezoelectric oscillator, meaning that the electronic oscillator circuit uses a piezoelectric crystal as its resonator. This crystal resonator works on a principle of moving the quartz crystal along its resonance directions when an alternating current passing through it, producing an alternating current at a frequency proportional to the size of the quartz crystal element. The quartz oscillator resonates by electromechanical vibration, which is a physical phenomenon in which the quartz crystal mechanical system resonates when an alternating current passes through the quartz crystal. With this resonance, an averaging effect is achieved (as it is with LC tank), and a stable (resonance) sine wave signal is generated. The oscillator circuit is composed of a quartz crystal resonator, an amplifier and an active element. The transferred electrical signal of quartz crystal resonator varies with the changes in temperature over time, so the active element will readjust the transferred signal, creating a feedback loop and establishing a stable frequency of the quartz crystal. The active element is usually a transistor, whose gain can be controlled by the voltage and current values, which determines the amplitude and frequency of the output signal.

Conclusion

In conclusion, ECX-L27CM-80.000 is a kind of oscillator commonly used in precision positioning applications in military industry, base station clocks and digital television broadcast equipment. It has many advantages such as small size, high precision, and excellent temperature effects and frequency aging effects, making them suitable for high reliability requirements. Its working principle is relying on the piezoelectric characteristics of quartz crystal resonator, as well as the loop circuit of the active element. Through the feedback process, stable output signals of certain frequency can be obtained.

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