638P156J2I2T

Frequency Stability:	±100ppm
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):	88mA
Operating Temperature:	-40°C ~ 85°C
Series:	638
Voltage - Supply:	2.5V
Output:	LVPECL
Function:	Enable/Disable
Frequency:	156.25875MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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# OscillatorsThe 638P156J2I2T application field and working principle is complex and often requires an in depth understanding of both electrical systems and mechanical systems. The oscillator, as it is used in electrical and mechanical applications, has a very particular function. It acts to regulate the flow of electrical power and/or mechanical energy. The idea is to maintain a constant voltage, current, or energy level in order to provide a stable environment which will allow for more precise, accurate, and efficient operation of the device.To achieve stability, certain types of oscillators use resonance principles. Oscillators use resonance to regulate their operation and provide stability by reflecting back any wave frequency that is introduced into their system. This is accomplished by a series of magnetic cores which are arranged within the oscillator in an alternating order. Each core has a particular resonance frequency and when the oscillator is energized, it produces an alternating magnetic field which, in turn, reflects back any wave frequencies that are introduced into the oscillator. Oscillators then use this reflection of wave frequencies to establish a constant frequency and hence, stability.There are many different types of oscillators, some of which are based on electrical components such as components utilizing capacitors, inductors, or resistors; others are electromechanical such as electromechanical motors, torsional resonators, or electromechanical vibrators. All of these types of oscillators provide the same result-they maintain a constant frequency and hence, stability.Of the many types of oscillators available, the 638P156J2I2T oscillator is a type of resonance oscillator. This type of oscillator is normally used in applications which require a very precise, tightly regulated frequency. The 638P156J2I2T oscillator works by generating a standing wave-a wave that builds up in a particular medium and maintains a constant frequency and amplitude without any additional input. In a 638P156J2I2T oscillator, two identical coils with approximately the same number of turns are connected in series, one coil is referred to as the primary coil and the other the secondary coil. The series combination of the two coils results in a coil which is designed to resonate at a very particular electrical frequency. When the oscillator is energized, an alternating current flows through the two coils in a sequential or alternating fashion. This alternating current produces a standing wave within the primary coil which reflects back on itself and creates an inverted version of the original wave shape in the secondary coil. This reflected wave is what maintains the resonant frequency of the oscillator and establishes the steady-state frequency that the 638P156J2I2T oscillator produces.The 638P156J2I2T oscillator is typically found in microwave ovens, radar systems, medical ultrasound, and radio frequency identification (RFID) systems. In these device applications, the oscillator is used to produce a very precise, tightly regulated frequency which is important for maintaining the accuracy of the device or system. Other applications for this particular oscillator include spectroscopy, wireless communications, and other electrical and mechanical control systems.The 638P156J2I2T oscillator is an essential part of any electrical or mechanical system which requires precision and stability. With its tight regulation of frequency, the 638P156J2I2T oscillator offers a reliable and cost effective solution to applications which require higher accuracy and stability than what is typically offered in conventional oscillator designs. Thanks to its efficient design and wide range of applications, the 638P156J2I2T oscillator is sure to remain an important tool for electrical and mechanical systems in the foreseeable future.

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