HMC657

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HMC657 is an integrated multi-stage power attenuator designed to accurately match differential signals from 200MHz up to 6GHz. It can be used in a variety of applications, from industrial to military and space-based applications, and offers exceptional accuracy, power efficiency and isolation.

Attenuators, also known as signal dividers, are used to reduce the magnitude of a signal without distorting its waveform. They can be used in RF applications such as amplifiers and frequency dividers and in microwave applications such as component testing. HMC657 is a multi-stage power attenuator with a dynamic range of up to 30 dB in 0.1 dB steps.

The HMC657 contains two main components: a full-wave rectifier and an attenuator. The full-wave rectifier performs the dual function of rectifying the input signal and drawing power from it. This rectified power is then applied to the attenuator, which uses two amplifier stages to reduce the magnitude of the signal. Each amplifier stage has a programmable gain control, which allows for the desired attenuation level to be set. The total attenuation is adjustable from 0 dB to 30 dB in 0.1 dB steps.

HMC657 provides excellent performance characteristics including low insertion loss, high isolation and low distortion over its entire operating range. In addition, the attenuator is well matched to the RF environment, ensuring that signals are not distorted during the attenuation process. The HMC657 also offers dynamic power handling capabilities, allowing the attenuation to be adjusted dynamically according to the required signal strength.

For industrial and military applications, HMC657 has been designed to meet the requirements for outstanding performance in harsh environments. The attenuator is capable of withstanding temperatures of up to 95°C, and is rated up to 10 watts of source power. It is also resistant to vibration and shock, and can withstand up to 2000 G of shock without any damage.

HMC657 is a reliable, high performance multi-stage power attenuator perfect for a variety of different applications. It provides a wide dynamic range and provides excellent accuracy and power efficiency, making it an ideal choice for heavy industrial, military and space-based applications.

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