XLH530133.250000X

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Oscillators

The XLH530133.250000X (XLH5 for short) is an oscillator designed for generating signals in the GHz frequency range. This article will discuss its application field, as well as its principles of operation.

Application Field

The XLH5 is primarily used for application in microwave communications, radar, satellite communications, and other applications requiring transmission and reception of high-frequency signals. The frequency of the output signal can be set from 0.2 to 35 GHz, making it a suitable solution for generating ultra-wideband signals. The output power is adjustable and can reach up to 20 dBm. The output signal is produced in the form of a sinusoidal wave, square wave, or triangular wave, depending on the user’s requirements.

Working Principle

At the heart of the XLH5 is a single-chip multi-band oscillator that combines the Voltage Controlled Oscillator (VCO) and the Phase Locked Loop (PLL). It comes with an integrated phase noise cancellation system to reduce phase noise and spurious signals.

The oscillator chip is controlled using an external voltage source, which is used to set the frequency of the output signal. The gate voltage is applied to the gates on the VCO chip, which in turn modulates the frequency of the output signal. The frequency is further adjusted with the aid of the PLL, which locks the output signal to the predetermined frequency. This ensures that the output signal has minimal deviation from the set frequency. To further reduce the phase noise, the output signal from the VCO chip is sampled and compared with the frequency reference signal. This data is then used to compensate any changes in the output signal, thus making the output signal more stable.

Conclusion

The XLH530133.250000X oscillator is widely used for applications such as microwave communications, radar, and satellite communications. Its closed-loop system ensures that the output signal has minimal phase noise and deviation from the set frequency. It is capable of generating frequencies from 0.2 to 35 GHz, and the output power can reach up to 20dBm.

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