CVXO-018TX-50-25

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:	25MHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to Oscillators

Oscillators are used in circuits which require periodic signals. They are often used as time-keeping devices in various electronic devices, or as frequency references for other oscillator circuits. Oscillators can be classified into two broad categories: linear oscillators and non-linear oscillators. Linear oscillators are devices that use a linear combination of two or more sinusoidal signals to generate periodic outputs. This means that their frequency is proportionate to the input applied, and the output will depend only on the frequencies and amplitudes of the component frequencies. Examples of linear oscillators include voltage-controlled oscillators (VCOs), phase-locked loops (PLLs), and voltage-controlled quartz crystal oscillators (VCXOs).Non-linear oscillators, on the other hand, are circuits which generate "non-sinusoidal" outputs, such as square waves or chaotic signals. Non-linear oscillators are used mainly in applications such as radio transceivers and modems, where reliable signal synchronization needs to be maintained. Examples of non-linear oscillators include relaxation oscillators, ring oscillators, and chaotic oscillators.

The CVXO-018TX-50-25 Application Field and Working Principle

The CVXO-018TX-50-25, or Crystal Voltage Controlled Oscillator, is a type of linear oscillator which is an integral part of many electronic circuits, particularly those used in telecommunications. This oscillator consists of a temperature-compensated crystal oscillator (TCXO) and a voltage-controlled oscillator (VCO), both of which are designed to work together.The CVXO-018TX-50-25 is a highly precise and reliable oscillator, and its accuracy is within ±500ppm over the full operating temperature range. It is capable of achieving a wide range of frequencies from 10MHz to 1GHz, making it suitable for applications such as digital signal processing (DSP) and telecommunications systems. In terms of its working principle, the CVXO-018TX-50-25 uses the temperature-compensated crystal oscillator (TCXO) to produce a fixed output frequency. This output frequency is then passed through the voltage-controlled oscillator (VCO), which is used to provide the necessary frequency control. The VCO is capable of making small adjustments to the output frequency, allowing the device to reach the desired output frequency. The CVXO-018TX-50-25 can be used in a variety of applications ranging from cellular radio, wireline telecommunications, and instrumentation to wireless communication systems. Its frequency neutrality enables it to be used in many types of applications where stability and accuracy are critical.

Conclusion

The CVXO-018TX-50-25 is a widely used linear oscillator, as it combines the stability of a temperature compensated crystal oscillator with the frequency control capability of a voltage-controlled oscillator. It is highly reliable and accurate, with a temperature stability of ±500ppm, making it suitable for many applications in communications and instrumentation.

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