More worryingly for WiiM, the Stereo 70s contrasts the AMP Ultra as sounding thinner and tonally greyer when playing Was (Not Was)’s “Wheel Me Out”; and the Marantz soounds less strident in the upper ...

Integrated optical amplifier is a key component for the development of large-scale integrated optical systems. Here we propose and demonstrate an integrated broadband optical parametric amplifier by ...

This paper describes the design of a power supply intended for a traveling wave tube (TWT) power supply. For the faithful operation of the TWT amplifier, constant DC voltages are required for the ...