Attenuation has saved many systems and circuit designs, especially when it can be added in precise, consistent amounts. Attenuation comes in many forms and sizes, but perhaps few packages that are smaller than the new 2 x 2 mm chip-sized YAT-Series fixed attenuators from Mini-Circuits. They are available in 1 dB increments from 0 through 10 dB, and with as much as 30 dB attenuation packed into the housing.
With a frequency range of DC to 18 GHz, the YAT series can serve a wide range of commercial, industrial and military applications, including cellular and wireless communications systems and in radar and electronic warfare (EW) equipment. In spite of their diminutive size, the attenuators can handle as much as 2 W (+33 dBm) while still effectively dissipating any heat generated as a result of the RF/microwave power.
The devices are miniature 50 Ω passive components that can be added to a design to reduce signal levels, to increase isolation between different sections, or to improve impedance-match and return-loss performance. They are available in attenuation values through 30 dB, with minimal attenuation above and beyond their rated attenuation values.
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