Subwavelength resonant pins inside a cut-off waveguide create compact millimeter-wave filters with tunable passbands, low loss, and high-power compatibility.
A tapered two-plane transition aligns electric fields between coaxial and CPW lines to improve coupling efficiency and bandwidth up to 50 GHz.
Half-wavelength via arrays confine electromagnetic waves while minimizing current around the opening to cut high-frequency conductor loss.
Rotatable waveguide disks and RF chokes switch RF bands and polarization in a compact feed polarizer while limiting loss and leakage.
Constant-thickness oblique tube ends reduce thermal-mechanical stress in microwave windows while preserving brazed sealing and ultrahigh vacuum integrity.
Capacitive matching between the connecting wire and pad buffers impedance differences to cut return loss and insertion loss.
PCB electrode patterns fine-tune cavity filter frequency bands after assembly, correcting tolerances without adding complex manufacturing steps.
A deformable buffer in the coaxial input coupler absorbs welding distortion to keep the inner conductor electrically connected to the waveguide.
A tapered connector widens between microstrip and suspended lines to smooth field transition, improve impedance matching, and cut RF loss.
By orienting capacitor electrodes across the lamination direction, this case stabilizes dielectric filter gaps and avoids larger filter size.
Angled stubs enable abrasive flow machining inside a monolithic 3D-printed transmission line to cut roughness, losses, and signal reflections.
A pressure-controlled shielding cavity lets one transmission line structure switch between single-ended and differential signaling while maintaining impedance.
Varying ferrite tile recess depth in a tapered waveguide spreads RF absorption more evenly, reducing front-end overheating and arcing.
Asymmetric segmented traces and energy cancellation circuits boost broadband RF coupling in a compact base station coupler.
Alternating superconductor and metal layers absorb high-energy photons while passing low-frequency signals, improving qubit thermalization.
A stepped dielectric waveguide uses an enlarged support section to limit RF leakage and spurious reflections while preserving low-loss radar transmission.
Flexible substrates and conductive traces form waveguides and transmission lines that preserve electrical performance under bending and stretching.
Conductive fill components beside a transmission line replace physical resistors to save space and avoid wideband gain loss.
Mixed contact and non-contact protrusions balance waveguide support and coupling to widen radar bandwidth and angle while limiting loss.
Grounded resonator ends and shield conductors reduce resonance-frequency variation, improving dielectric filter passband consistency.
Perturbation recesses and an intermediate conductor balance odd- and even-mode phase speeds to cut isolation-port leakage in RF couplers.
Conductive-lined, filler-filled through holes preserve substrate strength in dense waveguide layouts while supporting stable layer formation and lower leakage.
A twisted bilayer graphene-TMD interface enables low-energy magnetic state tuning and ferromagnetic resonance for rectification and oscillation.
A dual-layer cross-shaped coupler uses microstrip lines and slot openings to widen millimeter-wave bandwidth while lowering insertion loss.
A blind-groove and through-hole coupling layout replaces deep blind holes to widen bandwidth, improve isolation, and simplify CWG multiplexer production.