Multiple-Port Networks TRIZ Cases

Parallel feed forward paths offset group delay mismatch with a tunable analog filter, reducing insertion loss and physical space.

Variable capacitors and inductors in a switch-type phase shifter enable multi-band operation, reducing phase and gain errors for 5G phased arrays.

Segmented via structures with matched conductive elements remove open-ended stubs that cause signal degradation through excess capacitance and inductance.

A laminated PCB structure with a conductive waveguide cavity interfaces millimeter-wave signals using integrated bare-die components.

Integrating a transformer-coupled bandpass filter reduces phase noise by 14 dB while maintaining signal power.

An 8-QAM adaptive equalizer uses quadrant-specific slicer thresholds to calculate error signals without lookup tables.

Integrator topology merges internal capacitor with analog-to-digital converter to stabilize reference voltage.

Integrating the RF switch inside the chip lowers pin count and simplifies circuit layout, resolving miniaturization bottlenecks in wireless transceivers.

Relocating shunt arm ground connections outside the chip reduces parasitic inductance and prevents potential differences that shift transmission zero points.

A windingless magnetic toroidal core filter uses a snap-on housing to guide conductors through the central opening for modular assembly.

Positioning capacitor conductor layers closer to the mounting surface than spiral inductor layers reduces magnetic flux interference and eddy currents.

Power supply device uses common mode and differential mode filters to reduce electromagnetic interference noise in electric vehicle charging systems.

Merged spiral inductors leverage constructive coupling to lower IC die size and optimization time while maintaining high Q factors.

Segmented transformer sections with local ridge optimization rotate polarization while eliminating angular interface offsets for low VSWR.

Multi-point selectably grounded die seals mitigate parasitic coupling at frequencies above 10 GHz, improving isolation between signal ports.

A splitter circuit adjusts characteristic impedance across parallel lines to vary antenna directivity.

A lowpass filter uses varactors for frequency tuning and a series resistor across an inductor winding to shape the response.

Segmenting equalization into transmit and receive paths reduces parasitic capacitance while maintaining frequency response.

Parallel coupling windings reduce leakage inductance and improve magnetic cancellation effectiveness across rated load ranges.

Digital potentiometers manage resistor banks in a modified current source, eliminating switching transients during wide-range sweeps.

Segmented capacitor blocks in RF transistor packages eliminate low frequency feedback paths between adjacent cells to prevent odd mode oscillations.

A multilevel maximum a posteriori probability detector processes super-symbols across orthogonal polarization states to eliminate bit error ratio floors in optical communications.

A superconducting switch system uses a variable inductance coupler to control signal coupling between filter network sections.

A variable impedance circuit uses parallel NMOS transistors and a fixed resistor to achieve continuous electrical control.

Multi-winding conductors reduce device size while maintaining phase distribution precision against reflections.

A multi-layer wiring board integrates conductor patterns facing each other with an insulating layer to form a compact noise filter.

Adjusting transmission line length shifts resonance to the communication band, expanding frequency coverage.

A ring coupler splits a single RF signal into multiple phase-coded outputs to drive several antennas simultaneously.

Adaptive equalizer coefficients estimate channel linear distortion without requiring complex pre-equalization hardware.

A dual correlation method detects channel equalization symbol boundaries using separate synchronization and equalization pattern matching.

An active anti-interference circuit generates a suppression signal to cancel target interference in mobile terminals.

Switches bridge or deactivate capacitive elements in integrated circuits, enabling dynamic filter tuning without increasing device complexity.

A processor dynamically tunes capacitors and inductors to resolve impedance mismatch, reducing signal reflections and conserving power.

Active negative resistance compensates ohmic losses in transmission lines, raising the quality factor from 10 to 1578.

Replacing through glass vias with conductive pillar bonding eliminates via formation costs and achieves 40-micrometer fine pitch capabilities.

A glass barrier layer prevents ion diffusion during co-sintering, preserving varistor electrical stability in portable devices.

Stacked planar inductor coils on a dielectric layer create structural capacitance, eliminating bulky manual filter boxes and reducing RF radiation variability.

Series coils compensate for parasitic inductance in varistor-based filters, improving high-frequency noise attenuation.

An RF filter circuit monitors induced voltage at the substrate support electrode to enable precise plasma state detection.

A multilayered high frequency module positions capacitor conductor patterns perpendicular to the inductor stacking direction.

No-electrode areas on substrates prevent eddy current induction from wiring electrodes, maintaining high Q values while reducing overall component size.

Variable impedance reactive components shift signal phase to reduce electromagnetic coupling between closely spaced antennas.

A wireless communication module attenuates electromagnetic interference using a frequency filter inserted in the DC-DC converter current path.

A digitally controlled phase shifter-attenuator system segments signal processing to distribute attenuation states across selectable ranges.

A substrate-based RF hybrid coupler integrates impedance matching transformer sections directly onto the printed circuit board.

Cascaded trifilar transformers in a compact integrated circuit achieve greater than 15 dB isolation and less than 0.6 dB insertion loss across 20 GHz.

Spiral-shaped conductor patterns connect capacitive and inductive regions within unit cells, blocking spurious mode waves while reducing transmission loss.

An integrated directional coupler embeds a coupled conductive element within a power amplifier's multi-layer substrate to sample RF signals via electromagnetic induction.

A glass wiring board integrates an inductor and capacitor within a core substrate protected by insulating resin layers to distribute mechanical stress.