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Fixed attenuator enable flatness from low to 40GHz

Posted: 25 Mar 2010     Print Version  Bookmark and Share

Keywords:attenuator pads  ultra-wideband  military 


Skyworks Solutions, Inc., unveils the ATN3590-00 family of ultra-wideband fixed attenuator pads that are suited for military and commercial applications. The family features a unique through-die via and split ground configuration that provide improved high frequency return loss, attenuation tolerance, flatness, and power handling performance.

The ATN3590 family of fixed resistive attenuators are integrated circuits comprising thin film resistors and through-die vias that provide excellent attenuation flatness from low frequency to 40GHz or higher. These attenuators are available from 0 to 30dB.

The family is optimised for surface mounting on co-planar waveguide or microstrip printed circuit boards. Bond wires or ribbons are used to connect the input and output ports of the attenuators to the external circuit transmission lines. Connection to ground is accomplished by through-die vias to the die backside metallisation.

The dice are attached using eutectic solder or conductive epoxy and can operate over a temperature range of —65°C to 150°C.

These devices are well suited for broadband power-level adjustment applications in microwave and millimetre wave radios, radars, EW/ECM equipment, and test equipment. In addition, these novel attenuator die solutions assist microwave communications equipment OEMs, and microwave system designers with the manufacture of higher performance hybrid microcircuit assemblies for both military and commercial applications.

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