654L12505I2T

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Oscillators play a major role in many different applications. The 654L12505I2T oscillator is mainly designed for high performance frequency synthesizers. It is used to generate a stable signal that is not dependent on temperature, supply voltage and other electrical performance variation.

The 654L12505I2T oscillator consists of a frequency synthesizer, a temperature-compensated crystal oscillator (TCXO), a digital-to-analog converter (DAC) and a phase locked loop (PLL). The TCXO is used to generate a stable signal by compensating the frequency variations caused by temperature. The DAC converts a digital input word into an analog output and the PLL compares the frequency of an input signal with a reference signal to keep the output frequency regulated.

This oscillator is a high reliability precision design for microwave systems, with an excellent performance in the frequency range of 5-3150MHz. It has low phase noise, excellent short term and long term stability and a high output power level. The 654L12505I2T oscillator also has high input sensitivity, low power consumption, small size and a wide operating temperature range.

In microwave systems applications, the 654L12505I2T oscillator is used for high performance frequency synthesizers, wide dynamic range signal integrated circuits, receivers, transmitters, motors and switching systems. It is ideal for providing stable, low phase noise signals for use in radio systems, telecommunication devices, satellite navigation and other microwave applications where stability and reliability is important.

The working principle of the 654L12505I2T oscillator is based on a PLL. A PLL is made up of a loop filter, a voltage controlled oscillator (VCO) and a phase detector. The PLL locks the output frequency to a reference frequency by controlling the VCO frequency. The loop filter is used to act as an integrator, so that any differences between the desired output and the existing conditions are integrated and fed back to adjust the VCO frequency, thus making the output frequency stable.

In summary, the 654L12505I2T oscillator is a high performance frequency synthesizer with excellent stability and reliability. With its wide frequency range, low phase noise, low power consumption, and high output power level, it is suitable for many microwave systems applications, such as receivers, transmitters, motors and switching systems. The oscillator uses a PLL to lock the output frequency to a reference frequency. This ensures a stable and reliable output signal, even under changing temperature and supply voltage conditions.

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