HMC727LC3C

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The HMC727LC3C is a high performance, medium linearity low noise amplifier (LNA) from Analog Devices’ High Linearity product line. It is designed for a wide variety of applications in the 42 MHz to 1.1 GHz frequency range and is utilized in many different RF applications where low noise figure and high linearity are key performance indicators. This article will discuss the applications, working principle, and technical specification of the HMC727LC3C RF IC.

The HMC727LC3C, an optimal choice for designers looking to amplify small signals with high linearity and low noise figure, is used for a variety of applications including cellular infrastructure (cellular base stations, repeaters, and other telecom infrastructure), cable TV architectures, HDTV receivers, and military or aerospace applications. The device’s high linearity, low noise figure, low distortion, and high gain make it ideal for receiver designs requiring improved sensitivity while maintaining a low power budget. Additionally, its strong harmonic suppression and improved phase/amplitude linearity help to reduce spectral regrowth, eliminating the need for external filtering.

The HMC727LC3C is based on a patented single stage design that incorporates both a cusboxed wideband MMIC and a low noise pre-amplifier. The amplifier incorporates a wideband input port and a low noise broadband amplifier which utilizes an active bias network and is designed to optimize noise performance at high and low frequencies, resulting in a 1.3 dB noise figure. The amplifier has excellent harmonic suppression and spectral purity, which helps reduce spectral regrowth and improve adjacent channel rejection.

The HMC727LC3C is manufactured on an advanced, high performance GaAs pHEMT process and has a gain of 15 dB and an input return loss of 10 dB at 900 MHz. It covers a frequency range of 42 MHz to 1.1 GHz and has a gain flatness of ±0.6 dB across the frequency band with harmonic suppression of -35 dBc. The amplifier has power handling of +27 dBm with an input VSWR of 2:1. The device is also equipped with on-chip voltage regulators for low power consumption and high efficiency, making it an ideal choice for a wide variety of RF applications.

In summary, the HMC727LC3C is a high performance, medium linearity, low noise amplifier. Its strong harmonic suppression and excellent linearity make it an ideal choice for high performance, low power applications. The device is suitable for a wide range of applications, including cellular infrastructure, HDTV receivers, and military/aerospace applications. With its wide bandwidth, excellent gain flatness, harmonic suppression and low noise figure, the HMC727LC3C is an ideal solution for receiver designs that require improved sensitivity while maintaining a low power budget.

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