Coupling Devices TRIZ Cases

A four-coupled-line rat-race layout keeps the third and fourth port phase difference stable as frequency shifts from center.

An elastic terminal bridges the RF connector and electrode pad to absorb assembly tolerance and preserve stable contact in compact cavity filters.

A symmetric one-twelfth-wavelength transmission-line layout cuts area and cost while improving amplitude and phase balance in signal division.

A two-stage hybrid ring coupler layout enables trisection power division with output isolation, phase balance, and more stable microwave transmission.

Bent branch lines and fishbone microstrip sections shrink PCB coupler area while preserving 3 dB splitting, isolation, and matching.

Multiple tunable resonators replace TDD switches to isolate TX and RX bands in unsynchronized multi-band operation with lower loss and power use.

Multi-layer traces and vias create quarter-wavelength routing that broadens phased array bandwidth while preserving main-lobe power and suppressing side lobes.

Electric field coupling through PCB conductors isolates high-frequency signals while avoiding the size, attenuation, and lifespan limits of couplers and transformers.

A stepped cover narrows the cavity over the low-pass section, shifting resonances higher to improve RF filter harmonic attenuation.

A domed deflection insert in an orthomode junction improves isolation between orthogonal RF signals, cutting interference and noise.

Discrete impedance switching lets an RF power divider activate multiple outputs while preserving matching and compact smart antenna design.

Crossovers placed outside phase-shifting regions connect RF substrate layers without openings, reducing leakage risk and layout complexity.

A perpendicular dielectric substrate with resistors improves T-junction port isolation while keeping return loss low and simplifying tuning.

A high-impedance gap waveguide transition replaces bond wires to cut insertion loss and leakage in wideband MMIC packaging.

A multiplexer with a common port feeding structure couples an antenna connector to band-pass filter units via spaced-apart feeding members.

Segmented metal block waveguide bend resolves impedance mismatching while filtering undesired frequency bands.

A waveguide circulator uses a coaxial coupling component positioned within a quarter wavelength of a dielectric transformer to optimize impedance matching.

Segmenting output traces into asymmetric widths reduces coupling coefficient variation under varying load conditions.

A diplexer uses parallel hollow conductors and a coupling zone to enable broadband signal propagation.

Multiple continuous wave radars resolve phase ambiguity beyond one wavelength, enabling subwavelength spatial resolution for dynamic gesture recognition.

A band-pass filter uses stepped impedance resonators to minimize device length while maintaining electromagnetic coupling between adjacent stages.

Integrated directional coupler merges DC blocking capacitor function into transmission line structure for compact mobile 5G applications.

Embedding transmitting elements in thinned chip peripheries eliminates lossy PCB transmission lines, reducing signal loss above 150 GHz.

A slot coupled directional coupler uses a loop resonator to enhance coupling efficiency between microstrip lines.

An antenna feed integrates a resistive dielectric block to suppress unwanted modes, reducing axial ratio and polarization loss in circularly polarized systems.

Embedded directional couplers use conductive tuning elements to increase coupling coefficient and directivity.

Multi-stage impedance conversion segments the radial line to resolve manufacturing precision constraints while maintaining wide frequency band width.

A coupler module substrate features wiring aligned with the main line to adjust coupling degree via magnetic field synthesis.

A hybrid diplexer uses planar transmission lines for low frequencies and waveguides for high frequencies to handle broadband signals.

A ridged waveguide radial power combiner/divider maintains phase matching across ports using a bi-conical center port and impedance transformers.

Soldered housing signal lines relay millimeter-wave signals, reducing transition complexity for mass production.

Segmenting the coupler into distinct stages resolves the bandwidth-directivity trade-off, achieving over 15 dB directivity within a compact MMIC footprint.

Segmented rectangular ports morph into a common axis to convert TE10 signals to TE01 mode, maintaining low reflection during incoherent plasma oscillations.

A phase shifter uses a movable dielectric plate to adjust signal phase while an internal transformer unit handles impedance matching.

Dielectric grooves guide strip conductors to split signals, lowering production costs and simplifying circuit connections.

A waveguide transition uses a lateral aperture to couple signals directly to an embedded antenna element on a composite RF board.

An RF combiner divider uses a control circuit to automatically adjust impedance matching for variable branch counts.

Bent transmission lines minimize a branch-line coupler's footprint by 56%, resolving the contradiction between compact PCB area and reliable power splitting.

Segmented ridgeless adapters minimize signal reflection and manual calibration while maintaining wide bandwidth across dual frequency bands.

A waveguide coupling uses a continuous carrier plate and cross-shaped element to capacitively couple feed line energy into the waveguide.

A transit structure directly couples a metallic waveguide to a substrate integrated waveguide using a non-resonating slot and impedance matching vias.

Filter card suppresses high-order modes in rectangular-to-circular waveguide transitions, reducing signal loss and resonances.

A cylindrical ortho-mode transducer uses a segmented branch waveguide to couple orthogonal linearly polarized modes into a common port.

Segmented RF switch uses a resiliently biased pin actuator to route signals between primary and secondary antennas without disconnecting the main antenna.

Polyhedral dielectric structure distributes RF switches across multiple faces to minimize feed stub lengths.

Co-sintered double-cell circulator stacks ferrite layers on a ground plane, reducing footprint by 50% while maintaining insulation.

A linkage mechanism drives proportional movement between rotation and translation members in a phase shifter assembly.

Galvanic electric wall connects coupling pad to ground layer, eliminating bulky back shorts and reducing signal reflection in 5G mmW systems.