638E156H3C2T

Frequency Stability:	±50ppm
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:	-20°C ~ 70°C
Series:	638
Voltage - Supply:	2.5V
Output:	LVPECL
Function:	Enable/Disable
Frequency:	156.257812MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators

Oscillators are a type of circuit or device that generates a periodic, or oscillating, signal and are used in a wide variety of applications. One example of an oscillator is the 638E156H3C2T application field. This type of oscillator is used in applications such as clocking and tone-encoding/decoding, voltage-controlled oscillators (VCOs) and phase-locked loops (PLLs).The 638E156H3C2T oscillator is a dual-mode low power design, capable of operating in both programmable and fixed frequency modes. The oscillator is available in various frequency ranges, making it suitable for a wide range of applications.The 638E156H3C2T oscillator operates on the principle of an electronic oscillator circuit in which a capacitor and inductor are combined in a parallel arrangement. The combination of these components creates a three-stage circuit with two positive feedback stages and one negative feedback stage. The positive feedback stages are designed to shape, amplify and stabilize the output. The negative feedback stage helps to prevent runaway oscillations by providing an additional damping mechanism and allowing the oscillator to operate in compliance with any transmission line or load characteristics.In addition to the op amp, the oscillator circuit for the 638E156H3C2T consists of a quartz-crystal oscillator, an amplifier, and a voltage-controlled oscillator (VCO). The quartz crystal provides the oscillating frequency, and the amplifier is used to increase its voltage level and volume. The VCO is responsible for controlling the frequency of the oscillator.The 638E156H3C2T oscillator uses a variety of control techniques to regulate the output frequency. These can include temperature compensation, which is used to prevent drift of the output frequency due to changes in temperature, and/or compensation due to load variations. Additionally, the circuit may also incorporate an offsetting capacitor to reduce frequency-tuning errors due to differences in the circuit components.The 638E156H3C2T oscillator can be used for a wide variety of applications, including clocking, timing and frequency-control, as well as a range of tone-encoding and decoding applications. Additionally, this type of oscillator is also often used to generate clock signals, which are used in computers and other digital circuits, and as an element in phase-locked loops, which are used to regulate the frequencies of data and communication signals.In conclusion, the 638E156H3C2T oscillator is an ideal solution for a variety of applications requiring a low power, dual-mode oscillator. The oscillator is designed to provide precise frequency control in programmable and fixed frequency modes. Its combination of temperature compensation and frequency-tuning techniques ensures reliable and stable operation even in adverse conditions, making it an ideal choice for a range of clocking, timing and frequency-control purposes.

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