DSC1101DI1-125.0000

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DSC1101DI1-125.0000 Oscillators

The DSC1101DI1-125.0000 oscillator is a high-frequency analog oscillator designed for high-speed, low-jitter operations. The DSC1101DI1-125.0000 oscillator features a wide tuning range of 1MHz to 150 MHz, a frequency stability of 0.75ppm and provides extremely low-phase noise in applications where ultimate performance is required. The DSC1101DI1-125.0000 oscillator offers a robust design ideal for applications requiring reliable operation in a variety of operating environments.

Application Field

The DSC1101DI1-125.0000 oscillator is ideally suited for high-speed analog systems such as pagers, cellular telephones, video (MPEG2/4/DV/HDTV) signal encoding/decoding applications, MIL-STD-1553B interface applications, digital signal processing applications, etc. It is also suitable for a wide range of high-speed data communication applications such as Ethernet, Wi-Fi and WiMax.

Working Principle

The DSC1101DI1-125.0000 oscillator works on the principle of the capacitive-charge voltage-controlled oscillator (VCO). The capacitive-charge-VCO outputs an oscillatory signal characterized by a frequency determined by the capacitance of external components, such as capacitors, connected to the external oscillator pin. The frequency of the output signal is controlled by the voltage applied to the tuning pin of the external oscillator; the greater the voltage applied, the higher the frequency of the output signal. The output frequency can be continuously fine-tuned over a wide range, from 1MHz to 150 MHz.

The output of the DSC1101DI1-125.0000 oscillator is a square waveform of extremely high precision, with a rise/fall time of 45 ns, overshoot of 6% and duty cycle jitter of 2.25 ns. The minimum frequency step size is 0.1Hz and the maximum supply current is 4.5 mA at 5V supply.

The DSC1101DI1-125.0000 oscillator also features very low phase noise, with a phase noise of -70 dBc/Hz at 1KHz frequency offset.

Conclusion

The DSC1101DI1-125.0000 oscillator is a high-precision, low-jitter, low-phase-noise oscillator ideally suited for a range of high-speed analog systems and high-speed communication applications. The capacitive-charge-VCO output ensures extremely precise control of the frequency, allowing for a wide frequency range from 1MHz to 150 MHz. The oscillator supports a very wide tuning range and is designed to provide robust, reliable operation in a variety of operating environments.

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