Mini-Circuits’ ZCDC20-K0244+ is a coaxial directional coupler with an operating frequency range from 2 to 40 GHz. This model provides 20 dB nominal coupling with ±0.4 dB flatness over the full band. It can handle up to 20W RF input power and achieves low mainline loss (0.5 dB at 18 GHz and 1.0 dB at 40 GHz), 22 dB return loss, and 20 dB directivity. The coupler is ideal for a wide range of lab testing applications as well as power monitoring in many applications including defense, SatCom, and more. The unit comes housed in a rugged aluminum alloy case (2.25 x 0.7 x 0.5”) with SMA-Female connectors at all RF ports, and a supplied termination on the return path coupled port.
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