ABM8G-12.288MHZ-B4Y-T3

Series:	ABM8G
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	MHz Crystal
Frequency:	12.288MHz
Frequency Stability:	±30ppm
Frequency Tolerance:	±30ppm
Load Capacitance:	10pF
ESR (Equivalent Series Resistance):	80 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-20°C ~ 70°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	4-SMD, No Lead
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Height - Seated (Max):	0.039" (1.00mm)

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Crystals

Crystals, also known as piezoelectric crystals or quartz crystals, are tuned physical objects that produce electrical energy when vibrating. They are commonly used in electronic circuits to measure and maintain frequency stability. One such crystal is the ABM8G-12.288MHZ-B4Y-T3.

Application Field

The ABM8G-12.288MHZ-B4Y-T3 is mainly used in communication, navigation and automobile products. In mobile phones and PDA’s this crystal plays a significant role in setting the frequency for the time signal receiver such as GPS. The crystal is also instrumental in setting the base signal frequency for satellite navigation systems. Additionally, the ABM8G-12.288MHZ-B4Y-T3 can find applications in digital television receivers and car FM radios. It could also be used in various cellular telephony protocols, such as GSM, CDMA, and PCS.

Working Principle

The ABM8G-12.288MHZ-B4Y-T3 crystal works at a frequency of 12.288MHz. It is made up of a short cylinder of quartz crystal which is cut in the shape of a tuning fork. The quartz crystal is placed between two metal plates and an alternating voltage, usually of a relatively low frequency, is applied to them. The crystal will then resonate and produce an electrical signal at its natural frequency of 12.288MHz.The ABM8G-12.288MHZ-B4Y-T3 crystal works on the basis of the piezoelectric effect, which is the phenomenon of electric charge when the crystal is stressed or deformed. When the crystal is subjected to strain, electric charges are generated across the crystal surfaces, due to the end points of the crystal cutting being of opposite electrical polarity. Similarly, when an alternating electrical field is applied to the crystal, mechanical strain will be produced on the crystal surface, thus making it vibrate and producing an electrical signal.Finally, the ABM8G-12.288MHZ-B4Y-T3 crystal is also tunable, meaning it can be adjusted to frequencies other than 12.288 MHz with minor changes in its manufacturing process. This gives more flexibility to the users and makes this crystal one of the more desirable crystals for frequency control.

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