XLH735040.550400I

Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.055" (1.40mm)
Size / Dimension:	0.295" L x 0.205" W (7.50mm x 5.20mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	35mA
Operating Temperature:	-40°C ~ 85°C
Series:	XPRESSO™ FXO-HC73
Voltage - Supply:	3.3V
Output:	HCMOS
Function:	Enable/Disable
Frequency:	40.5504MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Strip

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Oscillators: XLH735040.550400I Application Field and Working PrincipleOscillators, devices which generate an electrical signal of a certain frequency, are fairly common and widely-used in a number of applications. In many cases, they are employed to create a clock signal, which can, depending on the application, be used to synchronize data, calculate or adjust the frequency or phase of other signals, produce frequency-dependent alerts and alarms, or create a reference signal for measuring purposes.The XLH735040.550400I is a type of oscillator designed to be used in specialized applications, and its operation and use require some degree of technical expertise. It is an incredibly small oscillator, operating at a frequency of 40kHz and occupying a fraction of the space of a standard oscillator, making it ideal for applications where the space and size considerations are paramount.This oscillator is an element of the family of oscillators known as "piezoelectric" oscillators, which are based on the piezoelectric effect. This effect is the one in which, upon the application of an electric field to certain materials, they produce an alternating current proportional to the field, and this current can be exploited in order to create the oscillator output. This effect is explained by the fact that many of these materials feature molecules that have excited and unexcited states to which they are attracted - the amount of energy needed to move a molecule to its excited state is part of what influences the oscillator frequency.To build this type of oscillator, an array of electrodes and piezoelectric elements connected in a certain way to form a resonant cavity. The electrodes are offset from each other in order to provide a path for the excitation energy to move from one electrode to the other. When these electrodes are in close contact, the capacitance between them is kept low and a static electric field is created, causing an AC current to flow between them - this is the oscillator output.The XLH735040.550400I, being piezoelectric-based, utilizes this principle but with some advancements. It features "direct energy transfer" or "DET" technology as a means of controlling the oscillator frequency, and this novelty centers around the optimization of the electric field between the two electrodes.The electrodes are enclosed in an integrated package, and the field-controlling element is handled by a tiny area that is characterized by an extremely low value of capacitance - this allows the field to be accurately controlled, thus allowing for more precise oscillator operation.These advances have brought about many benefits: first, the oscillator is robust and durable compared to standard oscillators, due to the diminished contact area between the electrodes. Because of this, it can easily operate in more severe and demanding environmental conditions without having to compromise its performance.Moreover, using the DET technology, the resulting oscillation frequency can be very precise and stable, with a very low jitter, making the device suitable for many precision applications such as sonar operations, remote sensing, and transducer applications.The final benefit of the device is its power consumption; due to its highly efficient operation, the device can consume very low amounts of power, making it ideal for use in battery-powered applications or ones where minimizing power-consumption is a priority.Given its application field and potential benefits, this type of oscillator is becoming increasingly popular in a number of industries. The most common applications for the XLH735040.550400I have to do with communication and telecommunication, where the small size, low power-consumption, and precision are all in high demand. Newer applications are also emerging as industries continue to recognize and embrace the advantages the device offers.

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