In this paper we present the design and performance of a Ku-Band MMIC SPDT power switch utilizing low reverse voltage for the PIN diodes control, by placing diodes in a quarter wavelength distance from the main path. The isolation is better than 35dB, return loss better than 19dB at all states and insertion loss is about 0.5dB. The power handling capability exceeds 10W, while control signals are no higher then 5V for all states (i.e. Tx and Rx states). To our best knowledge, this is the first reported low reverse voltage switch to posses all of the above properties.
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