Coupling (piping)
Antenna (radio)
Superconductivity
Materials science
Power dividers and directional couplers
Microstrip
Optoelectronics
Radio frequency
Transmission (telecommunications)
Computer science
Power (physics)
Electronic circuit
Topology (electrical circuits)
Electrical engineering
Physics
Telecommunications
Condensed matter physics
Optics
Engineering
Quantum mechanics
Metallurgy
