Electronics Letters · 1983 · 24 citations · 0 references
EngineeringElectrical EngineeringMicrowave EngineeringMicrostrip CircuitsMicrowave Integrated CircuitsMicrowave System DesignMicrowave Transmission LinesBroadband Coupler DesignCouplersLange CouplersMicrostrip CouplersMicrowave Coupler DesignMultisection CouplersWideband Couplers
A multioctave quadrature microwave 3 dB coupler has been produced using basic microstrip techniques. The design described uses a multistage realisation and overcomes the problem of a very tightly coupled centre section by employing a tandem Lange coupler configuration.