Design and fabrication of a compact branch-line hybrid coupler with a balanced phase using a new microstrip structure for GSM applications
A novel microstrip quadrature hybrid coupler is mathematically designed, optimized and
fabricated in this work. The physical structure of the proposed coupler is new and it occupies …
fabricated in this work. The physical structure of the proposed coupler is new and it occupies …
A Comprehensive Review on Microstrip Couplers
In this work, several types of microstrip couplers are investigated in terms of structure,
performance and design methods. These planar 4-ports passive devices transmit a signal …
performance and design methods. These planar 4-ports passive devices transmit a signal …
Derivation of Generalized Design Formulas for Modified Branch-Line Coupler with the Second Harmonic Suppression Characteristics
IS Kim, HK Ryu, BJ Park, CS Lee… - International Journal of …, 2024 - ijeer.forexjournal.co.in
We propose a modified branch-line coupler composed of the open stubs and stepped
impedance lines. This structure allows the second harmonic suppression and size reduction …
impedance lines. This structure allows the second harmonic suppression and size reduction …