377LB3I2048T

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):	55mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	±30ppm
Series:	377
Voltage - Supply:	3.3V
Output:	LVDS
Function:	Enable/Disable
Frequency:	204.8MHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators: 377LB3I2048T Application Field and Working Principle

The 377LB3I2048T is an oscillator designed for high frequency stability and low phase noise applications. It is ideal for applications requiring accurate and precise timing control, like telecoms and aerospace/defense systems. In this article, we will discuss the application field and working principle of the 377LB3I2048T and how it can be used in different industries.

Applications of 377LB3I2048T

The 377LB3I2048T oscillator is a highly reliable, high performance, low phase noise device which can be used in a wide variety of applications. The most common application is for cellular basestation radios, where it provides accuracy and tight jitter specifications without sacrificing reliability. It is also used in automotive electronics, network switches, WLAN, and satellite communications.The 377LB3I2048T also provides high frequency and phase accuracy for applications in military and aerospace systems, such as tactical communications, radar, and navigation. The oscillator’s low-noise characteristics are particularly beneficial in applications where close frequency synchronization and high phase accuracy are necessary. In addition, it is suitable for general purpose synthesizer applications where frequency switching times are important.

Working Principle of 377LB3I2048T

The 377LB3I2048T oscillator is a frequency synthesis system based on a phase-locked loop (PLL). A PLL is a control system that operates by providing a frequency output signal that is related to a reference signal. The reference signal is locked in phase and frequency with the output signal. This synchronization can be used to synthetize many different frequencies, depending on the parameters set in the PLL design.At the core of the 377LB3I2048T’s design is a voltage controlled crystal oscillator (VCXO). The VCXO works by controlling the voltage applied to a crystal resonator, which in turn changes the frequency of the output signal generated by the oscillator. The output frequency can be finely adjusted by adjusting the voltage applied to the crystal resonator. This allows the oscillator to generate stable and reliable signals over a wide range of frequencies.The oscillator also features a dual loop PLL circuitry which further improves its frequency accuracy and lock-in time. This additional circuitry works by comparing the phase and frequency of the output signal with the referenced signal and adjusting the output frequency appropriately if necessary. This ensures that the oscillator remains in frequency and phase lock for the duration of the run.

Conclusion

The 377LB3I2048T oscillator is a reliable, high-performance device suitable for a wide range of applications. It is ideal for telecoms, automotive, aerospace and defense systems and is capable of generating high frequency and phase accuracy with low phase noise. With its dual loop PLL circuitry, it is able to provide consistent and accurate performance, and can be used in a variety of scenarios where tight jitter specifications and frequency synchronization are required.

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