An Electrically Actuated Liquid-Metal Gain-Reconfigurable Antenna

الملخص EN

A tunable liquid-metal antenna demonstrating gain reconfigurability is presented.

This antenna uses a reconfigurable stub made with the liquid metal Galinstan.

Using continuous electrowetting, a 60 Hz signal with an amplitude of 1 Vpp and 75% duty cycle can actuate the Galinstan continuously along a channel, tuning the stub length and antenna gain.

Zero external power is required to maintain the position of the slug.

The 5 GHz antenna offers more than 10 dB of analog gain tuning, from −5.90 to 4.43 dB.