RF Power Amplifier Pallet

An example embodiment relates to a radiofrequency (RF) power amplifier pallet, and further relates to an electronic device that includes such a pallet. The RF power amplifier pallet may include a coupled line coupler that includes a first line segment and a second line segment that is electromagnetically coupled to the first line segment. A first end of the first line segment may be electrically connected to an output of an RF amplifying unit. The RF power amplifier pallet may further include a dielectric filled waveguide having an end section of the first dielectric substrate, an end section of the second dielectric substrate, and a plurality of metal wall segments covering the end sections of the first and second dielectric layers. The plurality of metal wall segments may be arranged spaced apart from the first line segment and electrically connected to a first end of the second line segment.