HMC399MS8TR

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RF Mixers are essential building blocks in a modern communications systems, performing functions such as up- and down-conversion, signal switching and image rejection. The HMC399MS8TR is an active direct conversion mixer that is used in a number of communication systems.

This mixer has a wide range of applications including software defined radio, cellular base stations, satellite and wireless communication. It is an active direct conversion mixer with highly integrated features, including input preamplifier, output post-amplifier, local oscillator buffer and image reject filter.

The mixer has an excellent operating frequency range, from 10 MHz to 200MHz with a low conversion loss of 7.3dB. The image rejection is one of the most important features of the mixer, providing greater than 55 dBc image rejection and even better results with image re-injection cancellation.

The HMC399MS8TR is an ideal choice for many applications due to its low power consumption, low-noise Figure and excellent linearity.The mixer is used in many RF applications, such as wideband direct conversion receivers (DCR), digital RF up-converter/down-converter (DRC/DRD) and RF frequency synthesizers.

The working principle of the HMC399MS8TR mixer is based on the conversion process, which is the process of converting one signal frequency to another. The most common conversion process is the down-conversion process, where a higher frequency signal is converted to a lower frequency signal.

The HMC399MS8TR mixer is an active double balanced mixer, which means that it has two input ports and two output ports. It uses its built-in active circuitry to convert the signal frequency from one frequency to another.

In the down-conversion process, the inputs of the mixer are driven by the signal that needs to be converted and the local oscillator signal. The local oscillator signal is at a higher frequency than the signal to be converted. The signal is then amplified and mixed with the local oscillator signal.

This mixing process produces two outputs. The first output is the desired signal at a lower frequency, and the other output is the undesired signal, or image, at a higher frequency. The image is then rejected by using a passive filter. The output of the mixer is the desired signal without any of the image present.

The main advantage of the HMC399MS8TR mixer is that it can provide high performance with a low power dissipation of 130mW, which is one of the lowest in the industry. The built-in input pre-amplifier and output post-amplifier allow the mixer to be used in a variety of applications with a minimum of components. The mixer also provides excellent linearity, with a typical conversion gain of 22 dB at 30MHz and a typical NF of 11 dB at 30MHz.

The HMC399MS8TR mixer is an ideal choice for many applications due to its high performance, low power consumption and wide operating frequency range. It is a compact and cost effective solution for a variety of RF and communication systems.

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