Waveguide Type Devices TRIZ Cases

A spiral cascade layout with bend-type connections keeps digital phase shifters compact while limiting magnetic-field cancellation that disrupts phase operation.

Shared electrodes and a voltage-tuned liquid crystal layer let each resonant unit adjust frequency with fewer control lines and less interference.

Parallel capacitors at bent connection lines average phase shift variation and reduce weak-reflection impedance mismatch.

A controlled non-zero gap between the dielectric element and phase shift circuit cuts phase deviation, friction, and sticking in base station antennas.

A thinner permanent magnet and ground-conductor removal layout avoid substrate holes, preserve strength, and support wide-band non-reciprocal operation.

Groove-shaped delay adjusters and slots help ceramic waveguide filters tune ultra-short delays and suppress spurious waves.

A shared filter with switchable capacitor circuits cuts RF phase shifter size and insertion loss while preserving flexible bit control.

By varying dielectric constant instead of line length, this antenna phase shifter simplifies transmission lines, saves space, and supports beam adjustment.

Side-surface resonance vias and top coupling holes shrink dielectric filter footprint while preserving Q, improving remote suppression, and cutting loss.

Equal pillar spacing outside electrode overlap keeps capacitor gaps uniform, improving liquid crystal phase shifter stability and performance.

A ZnO-Al2O3-TiO2 ceramic combines spinel and rutile phases to cut RF loss tangent while maintaining temperature stability for co-fired components.

Fully grounded half-wave resonators cut insertion loss and improve stopband rejection in distributed RF filters on PCB substrates.

A through hole between blind vias creates 90° phase-shift coupling, reducing modeling complexity without parasitic resonance or low-band loss.

A nested metal pipe and dielectric tube create a notch that boosts attenuation while shortening the low-pass filter and cutting manufacturing cost.

Non-rectangular resonator cavities enable additive printing of combline waveguide filters without overhangs, cutting weight, assembly, and cost.

Stacked SIW filters with SLCFET switching improve close-in signal isolation while keeping RF tuning compact, linear, and low power.

A metal support member isolates ceramic RF filters from FR4 expansion mismatch, reducing solder cracks, shorts, and layout errors.

A light guide plate hides the radar as a lighting element while preserving millimeter-wave transmission and reducing leakage.

Folded resonators with L- and C-notch coupling cut filter thickness and weight while preserving passband tuning and dual-sided PCB use.

A metal element placed along a signal line adds controllable delay phase, improving wireless communication quality with simple, low-cost circuitry.

A spindle-shaped bridge with support elements and an isolation layer speeds MEMS phase shifter release while lowering drive voltage and collapse risk.

A dual-support, single-piece metal cavity filter element cuts filter mass and assembly cost while preserving resonator performance and tuning.

Nested helical coils sealed in one insulator maintain transmitter-receiver insulation while cutting module area, assembly complexity, and coil displacement.

Low-sheet-resistance electrodes and a tunable dielectric layer enable faster phase changes with lower microwave transmission loss and better uniformity.

A two-wire bias line with higher sheet resistance and a lapping region suppresses RF leakage and improves phase shifter bias isolation.

Integrated L-notch and C-notch coupling in a folded cavity filter reduces thickness and weight while keeping both sides of the PCB usable.

Quarter-wavelength resonator branches suppress remote harmonics in a cavity filter without added low-pass filters, cutting loss, cost, and size.

An integrated notch bar enables cross coupling in ceramic waveguide filters, simplifying notch tuning while improving passband design flexibility.

Parallel capacitors at bent connection points suppress weak reflections, averaging phase shift and improving impedance matching.

Overlapping branched transmission lines and a reference electrode raise phase-shift range and improve space use in microwave RF designs.

A metal coupling sheet adds capacitive self-adjustment in cavity filters to resist tolerance and temperature drift in RF frequency response.

Conductive pins in a recessed carrier plate replace hard-to-machine tooth structures, enabling compact waveguide filtering from 20 GHz upward.

Varying bridge stiffness creates different pull-in voltages, enabling precise RF phase shifts without separate control circuits.

Capacitive electrodes couple non-adjacent resonators to separate attenuation pole frequencies and sharpen dielectric filter rejection.

A shared resonator group separates perpendicular polarization signals in one compact filter module, cutting parts while preserving isolation.

Shared filter paths and switched capacitors cut RF phase shifter size and loss while improving phase-shift resolution and flexibility.

Six resonant cavities plus two notch cavities improve out-of-band suppression and frequency selectivity in a compact ceramic filter.

Embedding a vertical PIN diode between stacked substrates shrinks millimeter-wave transmission lines and frees antenna and circuit layout space.

A hub-spoke-rim switched-line layout enables 45° phase control for circular and linear polarization within patch antenna size limits.

Isolation components and a tunable dielectric layer constrain liquid crystal flow, preventing leakage and keeping phase shifting consistent.

A segmented spindle-shaped bridge with isolation and support structures reduces adhesion, speeds separation, and lowers drive voltage.

Using inductive and capacitive transmission-line structures, this case achieves phase balance without added delay lines, cutting wiring and loss.

A circulator, tuner, and sliding short minimize waveguide reflection while sustaining high-temperature plasma jets for material testing.

A shaped metal layer and absorber layout raises cutoff frequency, helping isolators preserve isolation as input frequency increases.

Auxiliary floating phase change switches reduce heater-to-PCM capacitive coupling, improving RF voltage distribution and handling.

Multiple bias-driven patch electrodes let a liquid crystal phase shifter tune local capacitance for better impedance matching and wider bandwidth.

A guided moving-board layout uses both sides of the fixed board to save antenna space, improve durability, and simplify repair.

An integrated resonant bar and notch post structure simplifies cavity filter assembly while strengthening electric coupling and suppressing magnetic coupling.

A deviation box and diffusing mirror spread and absorb microwave energy while blocking waveguide reflections for more accurate power measurement.

Cutouts at resonator-shield connections lower local conductor density, preventing thermal-expansion cracks while preserving filter performance.

Defected ground and parallel stub structures shorten the RF path in a phase shifter, cutting signal loss while improving antenna beam quality.

A stacked ferrite circulator uses one magnet and embedded junction layers to cut profile height, housing needs, and RF integration space.

Directly formed junction circuits and magnetic self-compression shrink RF circulators while reducing cracking risk and assembly cost.

Thermally switched VO2 shunts change transmission-line path length to reconfigure 20-60 GHz on-chip filters while keeping insertion loss below 5 dB.

Using three ridges at each waveguide outlet expands single-mode bandwidth and improves isolation, gain, return loss, and cross-polarization.

Central precision mating surface aligns waveguide sections, reducing offset errors to 0.0012 inches and improving VSWR frequency response at high frequencies.