CVXO-018TX-50-38.88

Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.071" (1.80mm)
Size / Dimension:	0.274" L x 0.193" W (6.96mm x 4.90mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	40mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	--
Series:	CVXO-018T
Voltage - Supply:	3.3V
Output:	HCMOS
Function:	Enable/Disable
Frequency:	38.88MHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to Oscillators

Oscillators are electronic circuits responsible for performing certain operations within electronic systems. They are often used in a variety of applications for timing, frequency generation, motor control, and voice communication. Oscillators can be used for a wide range of purposes since they can take in signals from either an analog or digital source and then generate electrical waveforms or pulses at predetermined frequencies.

CVXO-018TX-50-38.88 Application Field and Working Principle

The CVXO-018TX-50-38.88 chamber temperature compensated crystal oscillator (CVXO) is typically used in specialized applications where extreme temperatures can cause drastic changes in the frequency of quartz crystals, such as those used in avionics systems.The CVXO-018TX-50-38.88 chamber temperature compensated crystal oscillator utilizes a sealed chamber with a quartz crystal and a temperature compensating regulator to achieve the required stability. The sealed chamber is designed to allow the heated quartz crystal to reach a temperature that is compatible with the regulator board temperature, while still providing effective temperature compensation.The CVXO-018TX-50-38.88 oscillator is composed of the following components: a quartz crystal, a thermistor, a resistor, an SCR, two capacitors and a transitor. The quartz crystal serves as the key component of the oscillator, operating as a piezoelectric transducer to frequency-modulate the electrical current passing through it. The thermistor is a temperature-sensitive resistive device that senses the temperature of the quartz crystal and adjusts its resistance accordingly. This in turn adjusts the frequency of the oscillator. The resistor is used to create a voltage divider circuit that works in conjunction with the thermistor to regulate the frequency of the oscillator. The SCR is used to provide modulation of the frequency of the oscillator to correct for temperature drift. Additionally, the two capacitors and the transitor act as an active filter to reduce noise and to maintain the stability of the oscillator.The CVXO-018TX-50-38.88 oscillator provides accuracies of ±50 ppm over –40 to +85°C, making it ideal for a variety of industrial and commercial applications. Typical uses include military, aerospace, navigation, and communication systems. Additionally, the oscillator can be used in high-end computer systems to increase the data field accuracy in memory and storage components. The oscillator also helps reduce EMI/RFI interference, making it suitable for use in MRI machines and other medical imaging equipment.

Conclusion

The CVXO-018TX-50-38.88 tightly temperature compensated crystal oscillator is an extremely versatile tool. It offers extremely tight temperature stabilities and accuracies, making it suitable for high-precision applications across a variety of industries. From military and aerospace applications to computer storage and medical imaging, the CVXO-018TX-50-38.88 is an effective solution for those looking for extremely precise temperature-controlled oscillations.

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