HMC821LP6CETR

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The HMC821LP6CETR is a high performance, integrated voltage-controlled oscillator (VCO) and loop filter. It is a low-voltage, low-noise, high-linearity VCO combined with a loop filter allowing very wide tuning range and small center frequency variation. At 200MHz, the HMC821LP6CETR has a phase noise of -100dBc/Hz. It is suitable for use in frequency synthesizers, clock generators, phase-locked loops, low-jitter applications, timing receivers and transmitters, and other frequency control applications.

Application Field: The HMC821LP6CETR is ideal for use in clock generating and synthesizing systems, frequency multiply-and-divide systems, timing receivers and transmitters, low-jitter applications, and PLL systems. It is particularly suited for use in microwave and radio communication systems, digital radio systems, wireless local area networks (WLANs), and consumer electronics.

Working Principle:The HMC821LP6CETR consists of a voltage-controlled oscillator (VCO) and loop filter. The VCO generates the desired frequency and provides a low-noise, high-linearity output signal. The loop filter receives the output of the VCO and helps to control and maintain the output frequency. It works by comparing the output frequency of the VCO with the reference frequency and providing an error signal to the VCO control input. This error signal is used to modify the VCO frequency, allowing the loop filter to maintain the desired frequency.

The HMC821LP6CETR has the capability to achieve very wide tuning range and small center frequency variation. It is designed with a low-voltage, low-noise, high-linearity VCO and a small loop filter that provide very good phase noise and ultra-low leakage. This makes it suitable for use in designs where minimal jitter performance is required.

The HMC821LP6CETR is a versatile, high-performance VCO and loop filter that is well-suited for use in frequency synthesis, clock generation, and PLL systems. It offers a wide tuning range and high linearity. Furthermore, it has the capability to maintain the center frequency with extremely small variation even when the output frequency is high and the loop filter is small.

These features make the HMC821LP6CETR an ideal device for frequency control applications in communications, consumer electronics, and other RF systems.

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