Delay Lines TRIZ Cases

Solenoid via holes in glass create compact RF delay paths that preserve quality factor as phased-array antenna counts increase.

Discrete biasing of segmented phase-shift regions speeds liquid crystal response while enabling 0-330° RF phase control with lower power use.

A reconfigurable male-female waveguide changes effective delay lines to steer leaky-wave antenna beams at fixed frequency with fewer phase shifters.

Segmented transmission lines with controllable circuit elements deliver true time delay, reducing beam squinting in ultra-wideband systems.

A tunable delay line circuit uses a ferroelectric material between conductors to adjust signal propagation time dynamically.

RF MEMS switches segment delay lines to reduce electromagnetic coupling and power dissipation in electronically steerable array antennas.

Segmented delay lines with sequential switching achieve wideband isolation without large ferrite structures or active noise.

Multi-layer MMIC directional coupler uses broadside spiral lines to overcome the trade-off between device size and bandwidth, achieving a 5.8:1 ratio.

A spiral dielectric waveguide configuration reduces form factor while preventing energy leakage through controlled curvature.

A variable phase shifter uses capacitive coupling between fixed and rotating boards to distribute RF signals without mechanical contact.

A circular polarizer uses interlocked conductive and dielectric fins to convert linear polarization to circular polarization in coaxial waveguides.

Stacked substrate delay lines with metal vias reduce cross-talk and signal loss, enabling wideband phased array integration.

A radio frequency phase shifter generates phase gradients via mixers and transmission lines.

Sheet-like ferrites contact waveguide walls to dissipate heat and stabilize high-power phase shifting performance.

Opposing substrate transmission lines provide constant phase shifts across 800 MHz to 8 GHz, resolving narrow bandwidth limitations in wireless devices.

Parallel half-wavelength transmission lines mask switching element on-resistance, resolving the trade-off between high isolation and low passing loss.

A phase shifter combines a rotation member with a guide member to transmit rotary power directly.

Air holes in a substrate integrated waveguide allow phase adjustment without the high insertion loss of metal poles.

Alternating impedance segments reduce power threshold while maintaining return loss and bandwidth for sensitive receiver architectures.

Flexible dielectric film forms a three-dimensional coiled structure for signal traces to increase delay length.

Movable conducting strips on a branch line coupler enable continuous 0 to 360 degree phase shifting for antenna arrays.

Arranging stripline sections on opposite sides of a conductive structure reduces signal attenuation and losses in compact RF circuits.

A rotatable phase shifting element introduces controlled phase shifts between orthogonal polarized modes within a cylindrical waveguide.

Alternately interlaced transmission line portions increase inductance and capacitance to reduce phase velocity, mitigating millimeter wave attenuation.

Segmented signal line regions with distinct characteristic impedances maintain consistent tilt angle changes despite frequency variations in input signals.

An insulation layer between sliding plates reduces friction and prevents power cable twisting.

Selectable phase shifting modes in switching devices reduce intermodulation distortion without increasing semiconductor die area or signal loss.

Interlocked stepped conductive and dielectric fins in an annular waveguide suppress higher order mode resonance while converting linearly polarized TE11 modes.

A switchless combiner adjusts phase delay by immersing a transmission line in a variable dielectric cavity.

Protrusions on opposing substrates enable a longer microstrip line, resolving the trade-off between phase shifting accuracy and device volume.