550AA1000M00DGR

Frequency Stability:	±100ppm
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):	±100ppm
Series:	Si550
Voltage - Supply:	3.3V
Output:	LVPECL
Function:	Enable/Disable
Frequency:	1GHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators - 550AA1000M00DGR Application Field and Working Principle

Oscillators are highly important electronic components which are mainly used in applications such as radio and television receivers, modems, telecommunications, and personal computers. Oscillators are essential in communications systems, because signals must be regenerated, synchronized and amplified in order to transfer information. The 550AA1000M00DGR is an oscillator which is specifically designed for low voltage operation and is suitable for general-purpose applications.The 550AA1000M00DGR is a precision low-power analog oscillator specifically designed for low voltage operation and pulse-width modulation (PWM) modulation. It is suitable for precision timing control and pulse-width modulation applications in battery powered systems and high-temperature environments. It utilizes a voltage-controlled oscillator (VCO) to achieve wide frequency ranges with good temperature stability and low power consumption.The application field of the 550AA1000M00DGR includes the automotive industry for control systems and electric equipment, such as automotive parking systems, remote control modules, and navigation systems. It can also find its application in medical electronics, home appliance controllers, consumer electronics, and other applications as a low frequency, low power oscillator.The working principle of the 550AA1000M00DGR is based on a transistor-transistor logic (TTL) circuit. The active circuit comprises of three transistors in an oscillator configuration, with a feedback path providing hysteresis in order to achieve stability. The output of the circuit is a constant frequency, varying with the supply voltage and the overdrive voltage applied to the third transistor.The 550AA1000M00DGR can be used in PWM or frequency modulation mode. When used in PWM mode, the transistor in the circuit is configured in a voltage-controlled oscillator configuration, allowing the output duty cycle to be changed in proportion to the input voltage applied to the transistor. The frequency of the pulse width generated by the device is determined by the applied overdrive voltage and the inherent frequency of the feedback oscillator. When the oscillator is used in frequency modulation mode, the output frequency is modulated by applying an overdrive voltage to the third transistor in the circuit. By modulating the overdrive voltage, a frequency-modulated signal is generated at the output. The maximum frequency range of the 550AA1000M00DGR is from 64 MHz to 3.5 GHz, and the maximum overdrive voltage is 150 mV. The oscillator also features high accuracy, low sensitivity to temperature changes and low power consumption. The pulse width accuracy is 0.7% of the oscillation period, and the power consumption is only 2 mW at a supply voltage of 3.3 V. In conclusion, the 550AA1000M00DGR is an excellent choice for low voltage, low power applications, and is suitable for automotive, medical, home appliance, and consumer electronics applications. Its wide frequency range, low power consumption, high accuracy, and low temperature sensitivity make it the ideal choice for precision timing control and pulse-width modulation.

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