FC3BQBBME12.0-T3

Series:	FQ3225B
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	MHz Crystal
Frequency:	12MHz
Frequency Stability:	±50ppm
Frequency Tolerance:	±50ppm
Load Capacitance:	20pF
ESR (Equivalent Series Resistance):	120 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-10°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):	0.043" (1.10mm)

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Crystals: FC3BQBBME12.0-T3 Application Field and Working Principle

Crystals are often used in the design of electronics products, such as microprocessors, memory chips, modems, mobile phones and other digital products. The FC3BQBBME12.0-T3 is a custom, high precision temperature compensated crystal oscillator (TCXO) designed to operate in extreme environments, providing both environmental resistance and maximum stability.

Working Principle

TCXOs, like the FC3BQBBME12.0-T3, utilize an oscillator frequency control circuit to minimize the frequency shift caused by changes in the crystal’s frequency-determining element. This allows the TCXO to remain within specification even in extreme temperature ranges. The frequency accuracy of the FC3BQBBME12.0-T3 is as high as ± 2.5 ppm after temperature compensation.TCXOs work in an unstable environment by applying a correction voltage or other compensation technique to the crystal’s frequency-determining element, in order to maintain the frequency at a constant value. When the environmental conditions change, such as the ambient temperature, a voltage is applied to the crystal to correct the change in frequency. The TCXO adjusts the crystal frequency by controlling the oscillator’s output amplitude, resistance, capacitance, or other electrical properties.

Application Field

The FC3BQBBME12.0-T3 is a temperature compensated crystal oscillator designed for extreme environment applications such as automotive, defense, industrial, and aerospace. Its features include tiny size, environmental resistance, low power consumption and high stability, which make it an ideal TCXO in many applications.TCXOs, such as the FC3BQBBME12.0-T3, are used in critical applications that require precision timing and accurate frequency control, such as satellite navigation systems and frequency synthesisers. The low power consumption of the TCXO minimizes the load on the power supply. The high stability of the oscillator eliminates the need for frequent adjustments to temperature, voltage, or other operating conditions. The wide temperature range and impressive frequency accuracy make the TCXO suitable for use in other conditions where temperature changes are extreme or unpredictable, such as in submarines and industrial machinery.The FC3BQBBME12.0-T3 is also suitable for use in the telecommunications industry. The TCXO is designed to be used in mobile phones, modems, and other telecom systems. This oscillator provides high precision transmission timing and switches frequency bands automatically, allowing telecom systems to run reliably.The FC3BQBBME12.0-T3 can also be used in computers, providing accurate clocking for CPUs, memories, and other components. It is capable of providing up to 70 MHz of clocking that is necessary to operate high performance computer systems.

Conclusion

The FC3BQBBME12.0-T3 is an ideal TCXO for extreme environment applications. It is small in size, energy efficient, and high in stability, making it suitable for use in many industries. It provides precision timing and accurate frequency control necessary for telecommunications, satellite navigation, frequency synthesisers, and high performance computer systems.

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