638L156E5C3T

Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	--
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):	66mA
Operating Temperature:	-20°C ~ 70°C
Series:	638
Voltage - Supply:	3.3V
Output:	LVDS
Function:	Enable/Disable
Frequency:	156.2539MHz
Type:	XO (Standard)
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators

An oscillator can be defined as a device or circuit that produces a repeating electrical signal. It is capable of producing a periodic output waveform even without the presence of an input signal, making it a useful way of generating signals with a very precise frequency. One such oscillator that is commonly used in a variety of applications is the 638L156E5C3T oscillator.The 638L156E5C3T oscillator is a voltage-controlled oscillator, meaning that the frequency of the output signals is determined by the input voltage, rather than an external clock or other timing elements. It is capable of producing highly stable, low noise signals at frequencies ranging from 1MHz up to 15.625MHz. The 638L156E5C3T also has a wide operating temperature range, from -40°C to 85°C.This kind of oscillator is used in a wide variety of applications, including interfaces between clock and data signals, wireless communication systems, logic synchronization, signal buffering and various other applications where highly frequency- and phase-accurate signals are needed.In terms of its design, the 638L156E5C3T oscillator is a monolithic phase-locked loop with an integrated voltage-controlled oscillator (VCO), phase comparator, and automatic frequency control circuit. The VCO produces a signal which is fed into the phase comparator. The phase comparator then compares the phase of the VCO signal to a reference signal, and generates a feedback voltage depending on the error between the two waveforms.The feedback voltage which is generated by the phase comparator is fed into the frequency control circuitry which adjusts the VCO frequency until it matches the reference signal. This is what allows the 638L156E5C3T oscillator to produce highly precise and stable signals with a tight frequency tolerance.The 638L156E5C3T oscillator is also noted for its low power consumption and small size, making it a popular choice in portable devices such as cell phones and other handheld devices where size and power consumption are a serious concern.Overall, the 638L156E5C3T oscillator is an extremely versatile and useful device that has a wide variety of applications. Its ability to produce highly stable, low noise output signals over a wide frequency range makes it an excellent choice for numerous applications that require precision and accuracy. The small size and low power consumption make it an attractive option for use in small, portable devices. And its cost-effectiveness makes it a popular choice for many companies.

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