%0 Journal Article %T Non‐dispersive tunable reflection phase shifter based on non‐Foster circuits %A Gao, Fei %A Zhang, Fushun %A Long, Jiang %A Jacob, Minu %A Sievenpiper, Daniel %J Electronics Letters %V 50 %N 22 %P 1616-1618 %D 2014-10-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve