This paper presents a voltage-mode three-level class-D gallium nitride (GaN) power amplifier (PA) for the 700MHz band. The PA achieves a drain efficiency of 68.7%, at a maximum output power of 2.1 W ...

Keir Starmer's plans for welfare reform are in tatters this morning after the government dropped a key plank of the plans. The Mirror looks at what could happen next ...

Three former senior staff at the hospital where nurse Lucy Letby murdered seven babies and attempted to kill seven others ...

This paper describes the design of a 30W GaAs pHEMT PA (power amplifier) for WiMAX applications. The PA is realized on a CuW carrier with various ceramic matching components. The PA attained 10dB ...