347LB3I1250T

Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	10µA
Height - Seated (Max):	0.079" (2.00mm)
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):	80mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	±50ppm
Series:	347
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: 347LB3I1250T application field and working principle

Oscillators are electronic circuits used for the generation of electrical signals with a specific set of frequencies in a predictable manner. They are widely used in communications, computers, and in many industrial applications. The 347LB3I1250T oscillator, developed by the electronics manufacturer Oscillator Technologies, is one type of oscillator that has gained a reputation for its versatility in a number of applications. This article will explore the application field of the 347LB3I1250T oscillator and the working principle behind its operation.The 347LB3I1250T oscillator is a voltage-controlled oscillator (VCO) designed to generate a fixed frequency of output across a wide frequency range. It is primarily used in digital communication systems and is also suitable for low-power radio frequency synthesis. Its main advantage is its compact size and low power consumption, making it an ideal choice for applications with tight power budgets.The 347LB3I1250T oscillator is comprised of a number of components, including a temperature-controlled crystal oscillator (TCXO), a voltage-controlled crystal oscillator (VCXO), and a transistor-based amplifier. The TCXO provides a rate of oscillation that is proportional to the temperature of the surrounding environment, while the VCXO provides the voltage-controlled response of the oscillator. The Amplifier then amplifies the signal from the TCXO and VCXO to generate the output frequency.The frequency of the output signal is determined by the voltage applied to the VCXO. When the 347LB3I1250T oscillator is connected to a power source, it is triggered to begin oscillating at the designated frequency, and the output frequency will change depending on the voltage control applied. This versatility makes the 347LB3I1250T oscillator a great choice for applications that require variable frequency control.A further benefit of the 347LB3I1250T oscillator is the high stability of its output frequency. This is due to the temperature-compensated crystal within the oscillator, which allows for accurate frequency control even when the environmental temperature changes. This means that the output frequency remains unchanged over long periods, despite any temperature fluctuation, making it an ideal choice for applications that need consistent frequency output.The 347LB3I1250T oscillator is also extremely energy efficient, using only 3.3mA at 3.3V DC to produce an output of 1.2GHz. This low power consumption makes it suitable for applications with tight power budgets, such as handheld devices, audio systems, and wearable electronics.In conclusion, the 347LB3I1250T oscillator is an extremely versatile and efficient oscillator that is suitable for a wide range of applications. It is comprised of a TCXO, VCXO and transistor amplifier, and is able to generate a fixed frequency output at a wide range of input voltages. It also has very high frequency stability, and is extremely energy efficient, making it an ideal choice for low-power applications.

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