ABM7-9.81563MHZ-10-R50-J4Q-T

Series:	ABM7
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	MHz Crystal
Frequency:	9.81563MHz
Frequency Stability:	±100ppm
Frequency Tolerance:	±30ppm
Load Capacitance:	10pF
ESR (Equivalent Series Resistance):	100 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-40°C ~ 105°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	2-SMD, No Lead
Size / Dimension:	0.236" L x 0.138" W (6.00mm x 3.50mm)
Height - Seated (Max):	0.055" (1.40mm)

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Crystals plays an important role in modern date technology, due to their intrinsic properties and consideration of cost. Here, we will be examining the application field and working principle of one particular crystal, namely ABM7-9.81563MHZ-10-R50-J4Q-T.##### Application FieldWhilst the words "crystal" and "oscillator" often bring about thoughts of expensive scientific equipment, the reality is that their usage can be found in even the most mundane of everyday objects. The ABM7-9.81563MHZ-10-R50-J4Q-T is no exception, being commonly outfitted in a variety of electronics from television sets and smartphones to cars.On the scientific side of things, the ABM7-9.81563MHZ-10-R50-J4Q-T is also found in certain scientific instruments, such as atomic clocks, to yield precise and accurate results.##### Working PrincipleCrystals are sometimes known as "piezoelectric" crystals, due to their ability to generate voltage when subject to pressure. All crystals have their internal structures arranged in lattice patterns, and when pressure is applied to certain crystal, their internal structures deform. This deformation disrupts their equilibrium, and as a result, voltage is generated as the arrangement tries to re-align itself again. The ABM7-9.81563MHZ-10-R50-J4Q-T is no exception, as it too has its internal lattices arranged in a way to be able to generate voltage when the appropriate pressure is applied. This voltage, however, is not something that can be directly used in consumer electronics.What is needed is for the voltage of the crystal to be converted into an oscillation, which is a phenomenon that can be characterized by a regularly repeating cycle of increasing and decreasing values. From here, the various amplitudes of this cycle can be adjusted to obtain the desired values, be it regular waves or digital pulses. Most modern day crystals have their own voltage to frequency ratio set, and so the ABM7-9.81563MHZ-10-R50-J4Q-T is no exception. It has a frequency of 9.81563MHZ and requires an input voltage of 10V. Combined together, these parameters determine the frequency of the output oscillation.##### ConclusionThe ABM7-9.81563MHZ-10-R50-J4Q-T is a relatively high-end oscillator crystal that is mostly used in consumer electronics and scientific instruments alike. Its application field is quite large, and its working principle involves harnessing the piezoelectric effect of the crystal to generate oscillations of specific frequencies based on a defined input voltage range.

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