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Resistive attenuator is used to reduce incident RF power and for impedance matching due to its absorptive and dissipative nature. A resistive 5 dB attenuator has been designed for an electromechanically selectable attenuators module. The electromechanical switch structure necessitates the attenuator to be designed to approximate a coplanar waveguide. As the attenuator has to work up to 67 GHz, parasitics...
Previously most of microwave circuits were designed based on thin film or thick film technologies. Nowadays many microwave laminates are becoming available for microwave circuits to be fabricated using standard epoxy/glass (FR4) processes offered at competitive prices. However, until recently, many surface mount components available are meant for lower frequency applications i.e. below 3 GHz. In this...
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