345LB5I1228T

Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	10µA
Height - Seated (Max):	0.055" (1.40mm)
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
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:	345
Voltage - Supply:	3.3V
Output:	LVPECL
Function:	Enable/Disable
Frequency:	122.88MHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators

345LB5I1228T

Oscillators are dependent, controlled or unstable circuits whose output signals repeatedly vary between two levels within a period of time. Typically these signals are sinusoidal, triangular or rectangular shaped. The 345LB5I1228T oscillator is one such type of oscillator frequently used in various fields.The 345LB5I1228T oscillator is an integrated memory based oscillator. It has an internal storage register that can count data up to five times, allowing for a wide range of usage options. This oscillator can be used for frequency control, time-keeping, phase-shift-keying, signal interchange between digital and analog circuits, as well as with trigger-based or image-based data transmit systems. The 345LB5I1228T oscillator typically has a few components, including a voltage-controlled crystal oscillator (VCXO), a divider, a counter, a register, and a memory storage chip. The VCXO supplies control voltage that is used to regulate oscillator frequency. The divider divides the frequency from the output source into two signals of different frequency (0.5MHz/1MHz). The counter counts the number of sections of the cycle and is used to connect the divider and the register. The register is responsible for storing the divided signals from the divider and the counter. Finally, the memory chip stores the counter and the register values, allowing them to be accessed at different times.The working principle of the 345LB5I1228T oscillator is fairly straightforward. It works by controlling the frequency of an oscillator through the control voltage supplied by the VCXO. The divider divides the oscillator frequency and sends it to a counter and register. The counter counts the number of sections, while the register stores the signal. The memory chip then stores the counter and register values, which can be accessed at different times. As a result, the oscillator will maintain a consistent frequency.The 345LB5I1228T oscillator is used in a variety of applications. It is used in audio/video systems for data transmission and synchronization. It is also used in radar systems, for timing control and frequency detection. Furthermore, it is used in telecommunications equipment, such as modems and digital signal processors, for signal transmission and frequency counting. Additionally, it is commonly used in digital clocks, cameras, and other devices requiring precise timing.In conclusion, the 345LB5I1228T oscillator is an integrated memory based oscillator that can be used for a variety of different applications. It works by controlling the frequency of an oscillator with a control voltage from the VCXO. Additionally, a divider, counter, register, and memory chip store the oscillator data for easy access. This oscillator is often used in audio/video systems, radar systems, telecommunications equipment, and digital clocks.

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