MP120B

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Crystal oscillators are widely used in modern electronics and have become an indispensable part of modern circuitry. Crystal oscillators are used in a variety of applications including timing, communications, metrology, storages, and microprocessors. The MP120B is a crystal oscillator that operates at a frequency of 125 KHz, with a wide frequency range of 200 kHz to 500 kHz. It is widely used in automotive electronics, computer and telecommunication systems, and embedded systems.

The MP120B uses the piezoelectric effect of certain synthetic crystals to generate a precise and stable frequency. The piezoelectric effect occurs when an electric field is applied to a crystal, causing it to vibrate. This vibration is output as an electrical signal with a frequency based on the physical characteristics of the crystal. The frequency range of the MP120B is determined by the crystal\'s capacitance and frequency response, as well as its selected operating modes and clock levels.

The MP120B operates in two different modes. The first is pulse-width modulation (PWM) mode and the second is pulse-density modulation (PDM) mode. In PWM mode, the crystal is driven with a constant voltage signal, and the duty cycle of the output is modulated to produce the desired signal. In PDM mode, the crystal is driven with a variable duty cycle signal, and the duty cycle of the output is modulated to produce the desired signal. In both modes, the output frequency is determined by the voltage applied to the crystal.

To further improve the stability of the signal, the MP120B is designed with temperature compensation technology. This technology uses a thermistor to measure the temperature of the circuit and adjust the voltage applied to the crystal accordingly. The thermistor compensates for any changes in temperature that may affect the crystal\'s frequency, allowing the frequency to remain consistent over time.

The MP120B is also designed with a low-impedance output, allowing it to be used in low-power applications. The low-impedance output is also beneficial in applications where there is a high voltage or EMI (electromagnetic interference). In these applications, the low-impedance output reduces the amount of interference created by the crystal.

The MP120B is a versatile crystal oscillator that is used in a wide range of applications. It offers reliability, low-cost operation, and temperature compensation, making it an ideal choice for applications requiring a stable, reliable frequency source. It is used in automotive electronics, computer and telecommunication systems, and embedded systems.

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