Title :
Single-pole six-throw waveguide switch embedded in a seven port loaded junction
Author :
Ruiz-Cruz, Jorge A. ; Fahmi, Mohamed M. ; Mansour, Raafat R.
Author_Institution :
Escuela Politec. Super., Univ. Autonoma de Madrid, Cantoblanco, Spain
Abstract :
A waveguide switch with six states involving seven ports is presented in this paper. It consists of a common port that feeds perpendicularly six output routing branches placed in the same plane. The switch is based on actuating short circuit loads in six ridge waveguide branches. It avoids the use of complex rotary systems to provide path switching, resulting in an extremely compact profile and simplifying the manufacturing. The concept is presented based on rigorous full-wave simulations and experimental results of a Ku-band SP6T, which is designed, built and tested. The experimental proof of this new switch integrates the transitions to SMA outputs and the short-circuit loads. It shows measured return loss better than 25 dB in a 12% fractional bandwidth in the best state and 20 dB in an 8% bandwidth in the worst state. The isolation of this prototype is at least 32 dB, with insertion loss of 0.3-0.4 dB.
Keywords :
microwave switches; ridge waveguides; short-circuit currents; Ku-band SP6T; complex rotary systems; ridge waveguide; routing branch; short-circuit loads; single-pole waveguide switch; six-throw waveguide switch; Patents; Ports (Computers); Routing; Switches; Switching circuits; Waveguide junctions; E-plane T ridge-waveguide junction; H-plane ridge-waveguide trifurcation; SP6T switch; redundancy switch matrix; seven-port ridge waveguide junction; six-state waveguide switch;
Conference_Titel :
Microwave Symposium Digest (IMS), 2013 IEEE MTT-S International
Conference_Location :
Seattle, WA
Print_ISBN :
978-1-4673-6177-4
DOI :
10.1109/MWSYM.2013.6697440