RF-engineering company Nujira has extended the reach of its efficiency-boosting technology for power amplifiers into the handset. The company has until now focused on the infrastructure side of ...

Houston, Texas—Mimix Broadband, Inc. announced the XP1003 GaAs monolithic microwave integrated circuit (MMIC) power amplifier optimized for linear operation. This two-stage power amplifier is well ...

Fig 1. This shows the spectra of both waveforms when the Class D output is issuing silence (no audio, duty cycle = 50%) with a switching frequency of 333 kHz. Fig 2. The blue line shows the energy ...