HMC8402

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The HMC8402 is an RF amplifier that offers excellent small signal gain and noise performance, allowing for high-dynamic range applications and quick time to market. The HMC8402 is usable in a very wide range of frequencies, covering a range between 50MHz to 6 GHz. Its high gain performance allows for applications such as cellular base stations, microwave links, high speed access points, and more. Additionally, the HMC8402 is able to support up to 2W output power, off of a single voltage power supply.

The HMC8402 is designed to provide high gain, excellent linearity, and low noise. It comes with on-chip bias circuitry, thermal stability, and high stability of power gain over temperature range. The amplifier also includes active bias circuitry that enables use in single supply applications with a bias current much lower than usual.

The amplifier utilizes a low noise MMIC technology to achieve highly linear small signal gain and noise figure performance. It offers low distortion and high linearity, making it suitable for long-distance reception and wide dynamic range applications. Additionally, it comes with an internal active bias circuitry that allows the device to be used in single-supply applications with a bias current much lower than usual.

The HMC8402 is ideal for use in mobile radio applications because it offers high gain, good linearity, and low noise. Additionally, it has been often used as part of the front-end in cellular base stations, LTE/LTE-Advanced infrastructure products, high-frequency microwave links, Wi-Fi access points, and high-speed fiber optical systems. The device offers excellent harmonic and intermodulation distortion performance, low noise figure and high-frequency stability.

The HMC8402 works by directly converting input and output signals to and from radio frequencies. It is designed to amplify the weak input signals while maintaining low noise levels and providing vivid output signals. It utilizes both in-phase (I) and quadrature (Q) signals to accurately controlling RF signal bandwidth and linearity. The I and Q signals are processed through a pair of independent low-pass filters that set the linearity and dynamic range of the amplifier. The input signal is filtered through this strip, which lowers the noise and increases linearity performance while the output signal is amplified using a linear amplifier and the output power is monitored with a power detector.

The HMC8402 features a two-stage design, with an input stage that amplifies the input signal, and an output stage for boosting the amplification stage’s gain. The input stage is designed with low signal input levels as primary focus, ensuring the limited noise generated by the device does not interfere with the signal. The output stage is designed to offer high linearity operation as well as excellent thermal stability, while still providing high gain levels.

Overall, the HMC8402 is an excellent RF amplifier suitable for a variety of applications. It offers both good gain and low noise figure performance, making it suitable for a variety of applications from cellular base stations, to microwave links, Wi-Fi access points and more. Its on-chip bias circuitry, thermal stability, and high stability of power gain over temperature range make the device an excellent choice for long-distance signal reception and wide dynamic range applications.

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