636M3C050M00000

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Oscillators

Oscillators are electronic circuits that produce a continuous output signal that oscillates between two levels or voltages, usually a high and a low one. They are often used to generate a steady waveform for communication, testing, or timing circuits. For example, an oscillator can be used to generate a signal in the audio range for radio broadcast or a fixed frequency for another circuit to lock onto. 636M3C050M00000 is a voltage controlled crystal oscillator (VCXO) with the top-consistency and low phase noise, making it ideal for clock circuits in demanding applications.

636M3C050M00000 Application Field

636M3C050M00000 is a programmable version of the standard 5X7 mm-package VCXOs in the market. It operates with the frequency range from 10 to 50 MHz. It is mainly used in applications like stratum 3 clock generator, VoIP, Gigabit Ethernet and xDSL. Moreover, this oscillator provides great flexibility due to its separate inputs for controlling frequency via the supply voltage (VCTRL) and the control voltage (VCF). This makes it suitable for a variety of applications where stability of specific frequency & ultra-low phase noise are required.

636M3C050M00000 Working Principle

636M3C050M00000 has a very simple yet sophisticated circuit design, making it suitable for a variety of applications. At its core, the oscillator is built around an AT-cut quartz crystal, operating at 5V in its regular state. The VCF (control voltage) is used to modulate the frequency, while the VCTRL (supply voltage) adjusts the amplitude. This oscillator also has an enable/disable pin, which is used to enable or disable the oscillator function.

When the control voltage is applied to the bead capacitors, it shifts the operating frequency of the quartz crystal, which causes the oscillator to generate a signal with the frequency of the crystal and with the amplitude set by the supply voltage. The oscillator will continue to oscillate at the programmed frequency until the voltage is removed or the enable/disable input is disabled.

Conclusion

636M3C050M00000 is a voltage controlled crystal oscillator (VCXO) with the top-consistency and low phase noise, making it ideal for clock circuits in demanding applications. It has a frequency range from 10 to 50 MHz, making it suitable for many applications. It also provides great flexibility due to its separate inputs for controlling frequency via the supply voltage (VCTRL) and the control voltage (VCF). The oscillator consists of an AT-cut quartz crystal, operating at 5V in its regular state, which is modulated by the control voltage and amplitude set by the supply voltage, making it a robust and reliable oscillator.

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