550AD125M000DGR

Frequency Stability:	±50ppm
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):	±80ppm
Series:	Si550
Voltage - Supply:	3.3V
Output:	LVPECL
Function:	Enable/Disable
Frequency:	125MHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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 Oscillators: 550AD125M000DGR Application Field and Working Principle

Oscillators are electronic circuits that generate an output signal of the same frequency as the input signal. They are used in a variety of applications, from communication systems to timekeeping. In this article, we will discuss the specific application field and working principle of one particular type of oscillator, the 550AD125M000DGR.The 550AD125M000DGR is a Digital Tuner Oscillator, specifically designed for FM radio receivers and other broadcasting receivers. It features a frequency range of 88-108MHz, and is capable of generating a high accuracy signal with a low phase noise of -80dBc/Hz @1kHz. It also includes an on-board temperature compensation module, making it suitable for operation in both stable and unstable conditions.The working principle of the 550AD125M000DGR is based on a traditional Fröhlich oscillator design. A crystal oscillator is used as a reference, and a voltage-controlled oscillator (VCO) is used to generate the desired output frequency. The oscillator signals are then mixed with each other in-phase and quadrature to generate the output signal.In order to ensure accurate tuning, the oscillator includes circuitry that senses the frequency of the input signal and adjusts the frequency of the output signal accordingly. This is done by comparing the output signal with the reference signal and calculating the phase difference between them. The phase difference is then used to determine how much the output frequency needs to be adjusted.The advantage of this design over traditional oscillators is that the output signal can be tuned with greater accuracy and in a shorter period of time. This makes it ideal for applications that require a precise and stable frequency, such as broadcasting and communications systems.In addition to being used in broadcasting receivers, the 550AD125M000DGR can also be used in television receivers, radio transmitters, navigation systems, tracking systems and many other applications. Its wide frequency range and low phase noise make it suitable for a variety of applications.In conclusion, the 550AD125M000DGR is an excellent choice for radio receivers and other broadcasting systems, as well as a wide range of other applications. Its design based on the Fröhlich oscillator provides accurate tuning and low phase noise, making it ideal for precise and stable operation.

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