A 1–2-GHz wide-scanning cylindrical conformal array antenna with a large curvature is proposed in this article. A novel dipole element with integrated feeding balun is proposed, featuring a bending ...

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We report a large-area quad photoreceiver (2 times 2 array) having an equivalent input current noise density of <3.2 pA/radicHz per quadrant up to a 3-dB bandwidth of ~20 MHz. The low-noise ...