CMX309FBC14.7456M-UT Crystals, Oscillators, Resonators

Oscillators are electrical circuit components that have the essential function of producing a repetitive signal. The CMX309FBC14.7456M-UT is an oscillator module designed to provide several channnels of highly precise oscillations. It features wide range of oscillation frequencies and multiple output options.

Application Field

The CMX309FBC14.7456M-UT is commonly used in communication systems such as satellites, mobile radio systems, and radio modems. It’s also suitable for applications in which multiple outputs of precise frequency stability are required. Its flexibility in frequency generation makes it an ideal choice for numerous industrial applications including motor speed control, frequency counters, and frequency synthesizers. The module provides multiple output formats such as Sine, Triangle, Square, and Ramp.

Working Principle

The CMX309FBC14.7456M-UT utilizes a voltage-controlled oscillator (VCO) for producing accurate frequency signals. It is based on voltage controlled crystal oscillation (VCXO) technology and comprises of a voltage-variable crystal oscillator on top of the chip. The VCO includes an amplifier, components to set the center frequency, and frequency modulation components. The VCO is connected to an amplifier to increase the signal for the output. The VCXO produces a linear frequency variations due to applied voltage. As the voltage is increased, the resulting frequency is increased as well.

The CMX309FBC14.7456M-UT is ideal for applications where precise frequency instabilities are required. It utilizes the phase-locked loop (PLL) circuit with a reference oscillator to generate a stable and accurate signal. The PLL timebase accuracy is ensured by a low-jitter VCXO that is connected to a high-accuracy reference oscillator. PLL is employed to control the frequency, which is further controlled and regulated by two input pins on the module. Additionally, the oscillator module offers an extended range of frequency and multiple output formats.

Conclusion

The CMX309FBC14.7456M-UT is a versatile oscillator module designed to provide precise and stable signals. It features a wide range of oscillation frequencies and multiple output formats. Its linear frequency modulation and robust design make it suitable for applications in communication systems, motor speed control, frequency counters, and frequency synthesizers. It utilizes a voltage-controlled oscillation and PLL circuit for generating accurate frequency signals. The extended range of frequency and multiple output formats enable the module to have a wide range of applications in various industrial applications.