XLP730019.440000X

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Oscillators are electrical circuits which generate cyclic signals. The XLP730019.440000X is a versatile voltage-controlled oscillator (VCO), specially designed frequency stabilization and low-noise figure.

In terms of application field, XLP730019.440000X can be widely used for high performance Bluetooth, Zigbee, WLAN, GPS applications, providing superior phase-noise performance, high stabilization accuracy and fast switching time. It is usually used as a reference oscillator and PLL frequency synthesizer.

As for the working principle, the XLP730019.440000X can work in several ranges. It consists of an on-chip VCO amplitude-voltage-controlled oscillator and frequency divider, as well as a voltage regulator (VLD), a controlled-drain tuning and driver stages. The VCO frequency is determined by the combination of the tuning voltage and the VLD, and by the surrounding loop capacitance and parallel resistance. The oscillator output signal is divided by the frequency divider, providing an accurate and stable signal at the required frequency.

The circuit also integrates a low power consumption frequency select circuit. At any time, the user can select the frequency division factor, and the output frequency can be adjusted by changing the VCO control voltage. The circuit can achieve a lower cost in contrast to traditional PLL frequency synthesizers, as it can operate with the same accuracy over a wide voltage range.

The tuning pin of XLP730019.440000X is connected to the VLD. A higher external voltage will increase the VCO output frequency, while a lower voltage will reduce the VCO output frequency. In addition, the VCO control voltage is also connected to the phase detector, providing a fine-tuning of the VCO control voltage ensuring phase lock and providing a very accurate frequency.

Overall, the XLP730019.440000X is robustly designed to help reduce uncontrolled noise sources, maintain low phase noise and provide a very accurate frequency in high performance Bluetooth, Zigbee, WLAN, and GPS applications. All these features contribute to increased performance, efficiency and stability in frequency synthesis.

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