520M20DT20M0000

Frequency Stability:	±2ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.032" (0.80mm)
Size / Dimension:	0.098" L x 0.079" W (2.50mm x 2.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	2mA
Operating Temperature:	-30°C ~ 85°C
Series:	520
Voltage - Supply:	1.8V
Output:	Clipped Sine Wave
Function:	--
Frequency:	20MHz
Type:	TCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators: 520M20DT20M0000 Application Field and Working Principle

Oscillators are electronic instruments that are used to generate steady and precise signals of varying frequency, sometimes in the form of sine waves. As a vital component in electronic systems, they have multiple applications across different branches of engineering and technology. One example of a popularly used oscillator is the 520M20DT20M0000 series, belonging to the frequency synthesizer family. This article will discuss the application field and working principle of this type of oscillator.The 520M20DT20M0000 series oscillators are precision frequency synthesizers specifically designed to serve broadband communications gear and radar systems. They come with features like high stability, low phase noise, and low spurious content. Additionally, they are fitted with adjustable creepage equalizers and a range of damping options to minimize frequency drift in high temperatures.In terms of application, these oscillators are mostly used for generating high frequency and variable frequency signals in a broad range of radio and space communication systems. In addition, they are used in missile guidance systems, which require accurate and reliable timekeeping over long periods. Furthermore, in aerospace industry, they are employed for level speed measurements, vibration signals, and navigation radar systems. These oscillators are also used for frequency hopping and as reference sources for precision clock and signal distribution systems.In terms of operation, the 520M20DT20M0000 series oscillators utilize a precise crystal oscillator as the central frequency generating component. This crystal oscillator is encapsulated within a hermetically sealed package and is driven by a high speed transistor. The output of the crystal oscillator is then adjusted to the desired frequency using passive components such as capacitors and resistors. Furthermore, a high frequency timer is added to the output to reduce the possibility of spurious signals in the output.The crystal oscillator produces a fixed constant output frequency, and this frequency is then multiplied or divided to adjust its value. While the crystal oscillator component is generally stable, the output frequency generated by the oscillator may drift over time due to environmental and operating factors. To limit this frequency drifts, a number of methods are employed based on the application.Finally, the 520M20DT20M0000 series oscillators have a low temperature-dependent frequency characteristic, meaning that they remain stable in a wide spectrum of temperature ranging from 10°C to 70°C. There are although, occasional temperature compensation components that are added in extreme temperature situations. This ensures that the output frequencies remain constant despite variations in temperature.In conclusion, the 520M20DT20M0000 series oscillators are precision frequency synthesizers which are utilized for a number of radio and space applications. With low phase noise, low drift characteristics, and a range of damping options, they are responsive enough to control and adjust the output frequency in challenging applications. These components are highly reliable and come with features that prevent spurious signals, ensuring an accurate and steady output frequency.

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