Multiple-Port Networks TRIZ Cases

An electrically tunable inductor adjusts resonant frequency via a control signal modulating current through a tuning winding.

Ground-connected isolation wires placed between circuit blocks reduce electromagnetic interference without increasing device complexity.

An intermediary layer with LC resonators blocks magnetic field lines in passive device cells.

Segmented transmission lines transform RF impedance across parallel circuit branches to reduce footprint width.

A feed-forward filter generates estimated imaginary-part signals using adjustable tap coefficients controlled by phase error information.

A termination block provides balanced load and matched impedance using passive circuit elements to maintain phase-matched signal paths.

A superconducting phase shifter adjusts radio frequency signal phase through variable Josephson junction inductance.

A wireless device adjusts its matching network using a controller that detects reflected electrical signals from the antenna.

Negative inductance components enable wideband impedance matching, reducing insertion loss and simplifying circuit configurations for communication terminals.

An isolation metal element positioned between antennas improves signal separation in compact mobile devices.

Segmented amplifier circuit units minimize parasitic capacitance-induced phase errors in millimeter wave phased array systems by dynamically adjusting gain.

A channel estimating unit selects pre-calculated Wiener FIR filter coefficients based on estimated delay spread values to compensate for signal distortion.

A common mode filter uses a magnetic particle-resin composite layer to maintain high inductance and permeability.

Grounded shield plates eliminate parasitic attenuation degradation in active implantable medical devices while supporting higher circuit currents.

An electrical filter uses a circulator and a reflection mode filter network with a high Q extracted pole resonator to reduce size and weight.

Segmented antennas with dynamic power distribution control plasma excitation while preventing excessive temperature increases.

Cascaded spiral inductor coupling units reduce circuit area while maintaining ultra-wide bandwidth for integrated chip applications.

Transmitter-side pre-distortion compensates for cable bandwidth limitations in C8PSK HART systems, reducing bit error rates at the control room.

A conversion device synchronizes DC/DC converter current targets with AC voltage impedance to reduce switching frequency.

Symmetric isolation capacitors in the power combiner reduce energy loss while maintaining stable transmit power for mobile communications equipment.

An integrated LC filter reduces surge noise in specific frequency bands while simplifying assembly through universal connector design.

Microstrip lines balance load impedances across transistor cells to suppress oscillation caused by mutual inductance differences.

An adjustable damper between the chip and passive component minimizes impedance peaks to stabilize system voltage.

A transformer with rotatable secondary coils adjusts power ratios and phase differences in plasma processing.

Spaced-apart covers on an inductive element increase the normal mode resistance component Rs to lower the Q-value.

Weakly coupled parallel resonant circuits in RF multiplexers create stopbands within passbands, reducing filtering component count and insertion losses.

An electrical filter device uses inductively coupled auxiliary and main inductors to achieve series resonance.

Dielectric sheaths replace metal shields to reduce crosstalk while improving cable flexibility and eliminating assembly scraps.

Real-time voltage and current detection drives variable element adjustment, minimizing reflection loss during wireless power transmission.

Adjusting over-mold dielectric constant tunes differential wire bond capacitance to cancel inductive reactance, reducing return loss above 15 GHz.

Isolation material between input and output bond wires reduces parasitic coupling, improving S12 isolation and stability in packaged RF transistors.

A calculation processor measures amplifier output current and voltage to deduce complex load impedance for automatic matching network adjustment.

Internal gaps within primary coil windings adjust magnetic coupling coefficients while maintaining compact transformer dimensions and stable inductance values.

Differentiated resonator inductance prevents excessive coupling, maintaining Q while reducing filter thickness.

Stacking substrates reduces the area occupied by coil inductors, resolving the trade-off between miniaturization and structural complexity.

High-pass matching network extends radiating near field region despite electrical size limits.

Impedance conversion sections adjust apparent loads on secondary lines to equalize coupling currents.