Multiple-Port Networks TRIZ Cases

A communication device measures subcarrier signal levels and converts them to power levels using estimated terminal-to-terminal impedance.

Placing an inductor after the matching box suppresses intermodulation distortion while maintaining accurate impedance measurement.

A channel searcher estimates energy-weighted ray-distance variance to adapt the equalizer window width.

Coupled resonators pair in-band and out-of-band channels to verify signal correspondence, resolving interference between power transfer and communication.

A duplexer module separates transmission and reception filters on opposite substrate sides to increase spacing between signal lines.

A switchable frequency filter uses electronically controllable switching elements connected to radial stubs to adjust cut-off frequencies.

A directional filter assembly uses a power-dependent reflective protection device to redirect out-of-band signals away from internal termination loads.

Varistor placement in rectangular areas reduces coupling while local width adjustments maintain uniform characteristic impedance.

Patterned vias link multi-layer conductive elements to reduce mismatch losses between antenna layers and feed circuitry, improving voltage standing-wave ratio.

A multilayer balun positions a ground conductor layer closer to specific signal regions to improve electromagnetic coupling across wide frequency bands.

A compensation circuit generates partial signals from semiconductor elements with different stress dependencies to correct sensor readings.

Integrating filtering capacitors within the DC source housing reduces current loop area and electromagnetic interference radiation in vehicle power systems.

An RF matching network uses a heat sink to dissipate thermal energy from a transformer, reducing operating temperatures in wireless devices.

Decision feedback refines channel estimates using non-pilot data, resolving accuracy losses from motion-induced signal degradation.

A transmission equalizer branches signals into parallel paths with variable time delays to correct high-frequency distortions in non-contact magnetic coupling.

Segmenting the coupler into microstrip and ferrite sections reduces insertion loss in cascaded networks while maintaining signal isolation.

A tunable DC voltage generating circuit uses resonance oscillation to rectify signals and produce high voltage output levels.

Coplanar transmission lines replace coaxial cables and connectors to reduce transponder complexity while maintaining signal integrity.

Adaptive feedback control dynamically tunes variable capacitors and RF frequency to resolve impedance mismatch during mixed mode pulsing.

Segmenting the bias capacitor into corner regions minimizes magnetic flux blockage, improving transmission characteristics and signal balancing.

A coupling device distributes local oscillator signals across multiple integrated circuits to enable dynamic master switching.

Dynamic antenna selection using reflection measurements optimizes radiation efficiency by switching between antennas to match varying user grip conditions.

Quarter-rate architecture with speculative taps reduces bit error rates and power consumption while relaxing timing constraints at 25-40 Gbps.

A hybrid Marchand back-wave balun uses interconnecting reactances to switch between topologies across frequency ranges.

A predictor filter dampens control parameter changes to stabilize adaptive feedback loops in dynamic systems.

Interleaved buck, full-bridge, and inverter circuits stabilize variable fuel cell voltage to generate regulated multi-level power while reducing system weight.

Electronically variable capacitor network adjusts capacitance and source frequency for rapid RF impedance matching.

Series coupling of tri-state unit amplifiers reduces parasitic capacitance loss, improving power efficiency across varying output levels.

Cyclic shift units align overlapping signals to resolve interference between spatial multiplexing and transmit diversity gains.

Real-time parameter adjustment in the impedance matching network reduces reflected power to extend RF generator lifespan during multi-level pulsing.

Asymmetric coil line lengths in a common-mode choke coil configuration reduce signal attenuation by minimizing antiresonance in Sdd21.

Parallel diode paths reduce control voltage while preventing insertion loss and harmonic distortion deterioration.

A mode-switching transformer uses stacked planar windings to achieve a 1-to-4 impedance ratio without external capacitors.

Segmenting the balun into independent sections optimizes impedance matching at the useful signal while stabilizing oscillator frequency to prevent drift.

A built-in-circuit substrate uses a permanent magnet to saturate nickel outer electrodes, preventing intermodulation distortion noise.

Positioning capacitive elements in the peripheral area of a spiral inductor prevents magnetic flux interference and suppresses inductance degradation.

A decision feedback equalizer uses constrained tap weights to limit feedback influence and reduce error propagation in severe intersymbol interference.

Stacking a hollowed conductor over an inductor reduces substrate signal loss while increasing resonant impedance and bandwidth.

A broadband filter uses segmented capacitors and inductors to suppress noise across three-phase AC power lines.

A low pass filter uses a reverse current diode to regenerate energy from the output back to the input, stabilizing voltage levels.

Integrating a floating capacitor with a transient voltage suppression device reduces the footprint of elliptic filter designs while maintaining ESD protection.

Reduced dielectric thickness and trenches in PCB transmission lines minimize parasitic capacitance and signal degradation at high frequencies.

A layered bandpass filter uses parallel coupling paths with series inductors and capacitors to shift spurious peaks away from the passband.

Low-permeability fused iron powder toroids provide inductive reactance to block 13.56 MHz RF bias while preventing core overheating.

A tunable resonator element uses acoustic coupling between two resonators to adjust resonance frequencies via a tuning circuit.

Magnetic decoupling of inductor branches prevents transverse supply between inputs, maintaining insulation stability during frequency tuning operations.

Dynamic gain adjustment via per-pixel luminance and edge detection reduces noise artifacts while preserving image quality in sampled video streams.

Segmented coil windings with isolation regions reduce differential-to-common mode conversion, improving noise reduction performance in signal filtering.

Powdered core equal coupling inductors eliminate overheating from high frequency harmonics by reducing AC resistance and maintaining stable inductance.

Vertical electrode arrangement increases capacitance without adding layers, reducing thickness while maintaining attenuation.