550AH1000M00DG

Frequency Stability:	±20ppm
Current - Supply (Disable) (Max):	75mA
Height - Seated (Max):	0.071" (1.80mm)
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):	130mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	±185ppm
Series:	Si550
Voltage - Supply:	3.3V
Output:	LVPECL
Function:	Enable/Disable
Frequency:	1GHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Strip

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Introduction
Oscillators are electrical devices used to generate a regular or periodic electrical signal throughout an electrical circuit. Oscillators are typically used to generate a voltage within a specific frequency range. The 550AH1000M00DG oscillator is a type of voltage controlled oscillator (VCO) that is used to produce an output frequency that is kept within especially tight control limits. Application Field
The 550AH1000M00DG is mainly used by semiconductor device manufacturers in test and measurement applications for mobile communications devices such as cellular phones and Wi-Fi devices. This oscillator has an exceptionally high stability over temperature and time which makes it a great choice for applications where low-stability devices would not meet the rigorous requirements. Furthermore, the 550AH1000M00DG is compatible with CMOS, ECL, and TTL logic families and can be used as a clock source for MCUs, FPGAs, and DSPs. Working Principle
The 550AH1000M00DG oscillator is a voltage-controlled oscillator (VCO) which works by using an input voltage to alter the output frequency. As it is an oscillator, the output frequency is always lower than the input frequency; this can be used to create an evenly spaced output signal from an unevenly spaced input one. In other words, the output signal will be a continuous, repeating waveform with regular peaks and valleys. The frequency of the output signal is determined by a voltage divider circuit which is easily adjustable using the input voltage and therefore easily customizable. The frequency stability of the 550AH1000M00DG is especially outstanding, with low frequency drift over temperature and time. This means that the oscillator will continue to output a steady frequency even in ambient temperatures and over long periods of time. As such, it is an ideal choice for applications where very limited stability is needed. Conclusion
The 550AH1000M00DG oscillator is an advanced voltage-controlled oscillator (VCO) which is used in applications where exceptional frequency stability is required. It has a wide range of applications in the device and semiconductor manufacturing industry and can be used to provide a stable frequency output for MCUs, FPGAs, and DSPs. Owing to its high frequency stability, the 550AH1000M00DG is becoming an increasingly popular choice for more demanding applications.

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