About RF Couplers and Power Dividers
A 90 degree branch line coupler GUI with input parameters, designed coupler circuit and simulation is shown below. Simulated coupling, phase, isolation and match can be displayed. The design below is for a 10 dB coupler.
Watch the video on how to use this software.
RF Coupler and Power Divider Design and Simulation Software from rfhammer.com
References
G Matthaei, L Young and EMT Jones, "Microwave Filters, Impedance-Matching Networks and Coupling Structures", Artech House, 1980
David M Pozar, "Microwave Engineering", John Wiley and Sons, 2005
Chen Ho, "Design of Lumped Quadrature Couplers", Microwave Journal, September 1979, pp. 67-70. PH Marchand, Letters to the Editor Microwave Journal, December 1979, pp. 83