554AC000282DGR

Function:	Enable/Disable
Current - Supply (Disable) (Max):	75mA
Package / Case:	8-SMD, No Lead
Height:	0.071" (1.80mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Current - Supply (Max):	130mA
Operating Temperature:	-40°C ~ 85°C
Frequency Stability:	±50ppm
Voltage - Supply:	3.3V
Output:	LVPECL
Series:	Si554
Frequency - Output 4:	--
Frequency - Output 3:	--
Frequency - Output 2:	--
Frequency - Output 1:	622.08MHz, 644.53125MHz, 666.51429MHz, 669.32658MHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Pin Configurable/Selectable Oscillators

Pin configurable/selectable oscillators are oscillators specifically designed for frequency flexibility and the easy integration of frequency-based system designs. These oscillators use variable pin assignments to transform the same crystal or ceramic element into different frequency outputs. 554AC000282DGR is a ceramic resonator of such kind.

554AC000282DGR Overview

This 554AC000282DGR series of oscillators is assembled with hundred-million-times-quality ceramic resonators. The device can operate in the wide range of 1.8432MHz to 33.000MHz, with a frequency stability of ±50ppm. Its application is not limited to the selection of fundamental or harmonic frequencies, but also allows the narrow band selection of output frequency bandwidth. The data sheet of 554AC000282DGR further specifies its temperature stability of ±30ppm, an SMD-type package size, dimensions and other features.

554AC000282DGR Application Field

The applications of 554AC000282DGR are mainly found in the band wireless communication systems. This application field usually requires multiple frequencies that need to be input at selected intervals. This is therefore where 554AC000282DGR proves to be most useful. Furthermore, this series of oscillator is widely used in various data transmission and reception applications, such as Frequency Hopping Systems and spread spectrum radio.

554AC000282DGR Working Principle

The working principle of the 554AC000282DGR resonator is based on the ability of the crystalline structure to determine its own resonant frequency. This resonant frequency is created by the physical characteristics of the crystalline structure- primarily its size and shape. When a specific frequency of energy is applied to one of the pins of the 554AC000282DGR resonator, the crystalline structure begins to vibrate at its natural resonant frequency, thus creating an oscillating field of energy.The frequency of this oscillations is determined by the dimensions of the crystalline structure, as well as various other factors such as temperature and material composition. The frequency of the output waveform can then be adjusted by altering the dimensions of the crystalline structure, which is accomplished by varying the voltage on different pins. By using different controlled voltages and complex pin network configurations, a wide range of frequencies can be achieved.

Conclusion

The 554AC000282DGR series of oscillators offer highly flexible pin configurable designs, making them ideal for use in frequency-based applications. The easy integration of frequency-based system designs is made possible by the use of ceramic resonators and the control pin assignments, which allows for the selection of different frequencies for different frequency ranges. Additionally, this series offers a wide variety of temperature stabilizations, dimensions and other features, such as frequency stability of ±50ppm and a package size of SMD-type.

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