https://psemi.com/products/rf-attenuators/glitchless-rf-digital-step-attenuators/
Glitchless RF Digital Step Attenuators - pSemi
rf digitalstepattenuatorspsemi
https://www.mrcy.com/products/data-management/rf-if-recorder
RF & Digital Signal Recorders | Mercury Systems
Rugged rackmount recorders for multichannel wideband signal storage and recording.
rf digitalsignalrecordersmercurysystems