Q 38,40-JXS21-9-10/15-T1-FU-WA-LF Crystals, Oscillators, Resonators

Series:	JXS21-WA
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	MHz Crystal
Frequency:	38.4MHz
Frequency Stability:	±15ppm
Frequency Tolerance:	±10ppm
Load Capacitance:	9pF
ESR (Equivalent Series Resistance):	50 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	4-SMD, No Lead
Size / Dimension:	0.079" L x 0.063" W (2.00mm x 1.60mm)
Height - Seated (Max):	0.022" (0.55mm)

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Crystals:Q 38, 40-JXS21-9-10/15-T1-FU-WA-LF Application Field and Working Principle

Crystals are a type of circuit element widely used in electrical and electronic circuits. They are mainly composed of chemical elements such as silicon and germanium, and are generally used as the timing circuit elements of various circuits. Quartz crystal oscillators and other quartz crystal components are superior to ordinary frequency elements in frequency stability and temperature characteristics, and are widely used in various frequency measurement and control applications.Quartz crystals are mainly divided into two categories: X-cut and Y-cut. Among them, X-cut quartz crystal is mainly used in frequency-dividing circuit of digital integrated circuit; Y-cut quartz crystal is mainly used in the oscillation circuit of analog integrated circuit, because the temperature characteristics of Y-cut quartz crystal are better than X-cut quartz crystal. Q 38, 40-JXS21-9-10/15-T1-FU-WA-LF is a X-Cut quartz crystal and is mainly used in frequency-dividing circuit of digital integrated circuit.Quartz crystals have the characteristics of good mechanical and electrical properties, thermal shock resistance, radiation resistance and high-temperature oxidation resistance. Its main working principle is that the crystal has the characteristics of piezoelectricity and different frequency several tens of thousands of times, which belongs to the non-self-resonant type. Q 38, 40-JXS21-9-10/15-T1-FU-WA-LF crystal is mainly used to generate vibrations of a certain frequency. The electric voltage applied to crystals produces mechanical strain, thus producing mechanical vibration at the normal frequency of the crystals. When the mechanical vibration returns to electricity, it produces a certain frequency electric signal.In the field of personal computers and digital circuits, crystals are mainly used in oscillation circuits and frequency dividing circuits. In the oscillation circuit, it is an important device, which is composed of crystals, integrated circuits, resistors, capacitors and other components, so as to generate a periodic signal of a given frequency, and the frequency of the signal is exactly equal to the natural frequency of the crystal. This periodic signal can be applied to a frequency divider circuit, which further divides the frequency, thus obtaining different frequencies between low and high.In addition, crystals can also be used in communication technology, such as in receivers and transmitters. The oscillation frequency generated by the crystal is used for frequency synthesis or control. This makes high-frequency communication possible, and ensures the high frequency and precision of communication. In addition, crystals are also widely used in transceiver systems, autopilots and other fields.In summary, quartz crystals are widely used in electrical and electronic circuits and play an important role. Q 38, 40-JXS21-9-10/15-T1-FU-WA-LF is a X-Cut quartz crystal, which is mainly used in frequency-dividing circuit of digital integrated circuit. Its working principle is that the electric voltage applied to crystals produces mechanical strain, thus producing mechanical vibration at the normal frequency of the crystals, and then returns to electricity to produce a certain frequency electric signal. Its main fields of application are digital circuits, frequency dividing circuits, communication technology, transceiver systems, autopilots and so on.

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