129126-HMC841LC4B

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129126-HMC841LC4B application field and working principle

The 129126-HMC841LC4B is an evaluation and demonstration board and kit developed by Analog Devices Inc., a leading semiconductor manufacturer that designs, develops, manufactures and markets analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). It is based on the company’s advanced HMC841LC4B component, a low-power, wideband RF amplifier. The kit contains multiple components including the HMC841LC4B amplifier, a power supply, a USB connection, a mini-shield board, evaluation software, and user documentation.

Application Fields and Uses

The 129126–HMC841LC4B amplifier evaluation board and kit is applicable for RF applications such as wireless communications, industrial instrumentation, and portable equipment. It also enables users to evaluate the performance of the HMC841LC4B amplifier and create schematic diagrams by employing the kit’s reference design and evaluation software. This makes it an ideal tool for design engineers, hobbyists, and students to explore the capabilities and principles behind the amplifier’s design.

Working Principle

The 129126–HMC841LC4B amplifier evaluation board works by utilising a feedback loop between the amplifier output and input. The input signal is amplified by the power amplifier, which then feeds a fraction of the output signal back into the amplifier’s input. This section of the signal is called the feedback signal and it helps to stabilise and regulate the performance of the amplifier. This is known as the positive feedback loop, which ensures that the output of the amplifier is the same as its input. This enables users to adjust the gain of the amplifier, as well as the frequency range in which the amplifier operates. The HMC841LC4B amplifier also provides an adjustable gain of up to 16 dB and a wide frequency range of 500 MHz to 4 GHz.

Performance

The 129126-HMC841LC4B evaluation board and kit offers distinctive performance benefits. The HMC841LC4B amplifier provides a typical gain of 14 dB and power consumption levels of 11 mmW (36 mW) for large signal performance and 0.1 mmW (320 µW) for small signal performance, which is well below the power consumption levels provided by competitive products. The amplifier also offers a low noise figure of 12 dB at frequencies above 250 MHz and a wide bandwidth that allows it to operate over a wide frequency range.

Conclusion

The 129126-HMC841LC4B amplifier evaluation board and kit is a highly versatile and reliable product that enables users to explore and evaluate the performance of the HMC841LC4B amplifier. It allows users to experiment with the working principles of the amplifier, adjust its gain and frequency range, as well as measure its power consumption, signal quality, and noise figure. The kit is suitable for wireless communications, industrial instrumentation, and portable equipment, as well as for design and prototyping applications.

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