They provide adjustable attenuation to control power levels in receivers and analyzers without introducing distortion. © ACST GmbH - 2025 All rights reserved. Mouser is an authorized distributor for many RF Attenuators manufacturers, including Analog Devices, MACOM, Mini-Circuits, pSemi, Qorvo, Skyworks, Susumu & more. They. 536x is a family of variable passive waveguide attenuators based on ACST high-precision manufacturing technology. Covers range of frequencies from 50 to 500 GHz. EM‑based RF digital twin capturing RF IC behavior across substrates, layouts, and transitions. Availability In-stock and ready to ship same-day with no minimum order.