One-Port Networks TRIZ Cases

A stacked multi-conductor inductor layout raises Q-value in a smaller footprint while keeping inductor characteristics more consistent.

An integrated leakage-control winding and capacitor generate matched current to cancel parasitic current in powered surgical tools.

A series impedance path to ground suppresses high-frequency wraparound and limits low-frequency ESD current through the clamp.

A transformer leakage control winding and capacitor cancel parasitic current in powered surgical tools, reducing patient leakage to IEC 60601-safe levels.

A YIG thin-film enhancer suppresses low-power broadband noise while passing strong RF signals, improving SNR without costly offset-prone filters.

Digitally trimmable ferroelectric negative capacitors offset amplifier parasitics to extend bandwidth at higher frequencies.

A tunable Lyot birefringence loop generates an optical comb for RF filtering, enabling multiple passbands with strong selectivity and flexible tuning.

Optical comb generation with tunable MZI and a Lyot loop filter enables reconfigurable multiband RF passbands with sharp profiles and strong sidelobe suppression.

Charge-transfer cycling measures small self- and mutual inductance accurately without large current sources, even through metal structures.

Electric-field control tunes and switches a spin-wave RF filter, cutting electromagnet size, power use, and slow response.

Parallel programmable resistor cells and decoder logic deliver wide-range linear-in-dB control without added active stages, noise, or dead zones.

Repeated charge transfer to an accumulation capacitor measures small self- and mutual inductance accurately despite parasitic capacitance and drift.

Multiple coils divide the sensing area into flux domains, extending inductive position range without the accuracy loss of single-coil sensors.

A YIG thin-film nonlinear passive enhancer suppresses low-power noise near the carrier while passing high-power transmit signals with low loss.

Digitally switched capacitor blocks deliver fine tuning resolution with low area and better tolerance to process, voltage, and temperature variation.

Multiple coils and shaped targets concentrate magnetic flux to extend eddy current position sensing range without losing accuracy.

Unique resonant frequencies let one IDC channel distinguish multiple inductive sensors and accurately detect conductive target position.

A negative impedance control loop cancels resonant impedance changes to keep steady oscillation and improve sensor response accuracy.

Adjacent internal lines on a multilayer board create capacitance to preserve balanced-terminal signal balance in a compact elastic wave duplexer.

Series and shunt electroacoustic stopband elements outside the passband improve adjacent and remote channel suppression with low loss.

DC blocking capacitors and AC blocking inductors enable one-pair PoE while preventing transformer saturation and preserving high-speed data.

Opposite-dispersion waveguide paths create deep RF spectral nulls with broad passband response while reducing polarization sensitivity.

Switching operating or resonance frequency enables ASK in a class E amplifier with higher efficiency, less circuit complexity, and cleaner signal edges.

Dual optical waveguides with opposite dispersion slopes create tunable deep RF notches while reducing polarization sensitivity and source complexity.

Placing input/output fingers beside ground fingers in serial IDTs suppresses leakage current and improves out-of-passband attenuation.

Two binary capacitor arrays improve IC variable-capacitance accuracy at low RC values while limiting regulation bits and silicon area.

Opposite-sign nonlinear components are combined to cancel third-order intermodulation distortion and raise IP3 in signal circuits.

Varying narrow-pitch IDT finger sections shifts Stoneley-wave frequencies to cut high-band spurious response while keeping insertion loss low.

A tunable analog filter offsets DSP path delay in a parallel RF front end, reducing mismatch, shortening delay lines, and widening attenuation bandwidth.

Unequal ground-line lengths help miniaturized balanced acoustic wave filters preserve out-of-band attenuation balance and signal integrity.

Crossed wiring and resonator coupling cut parasitic effects in balanced multi-passband acoustic wave filters, reducing loss and imbalance.

A single DC-isolated two-conductor channel carries direct-current and alternating-current signals both ways, cutting channel count, cost, and space.

Segmented IDT sections raise balanced-to-unbalanced impedance conversion to 1:16 while preserving out-of-band attenuation.

A magnetoresistance effect device employs an independent magnetic body to oscillate magnetization and apply a resonant field to the sensor element.

Stacked flat plates with dielectric spacing achieve compact N-way power division, resolving size constraints in MMIC and RFIC designs.

Flip chip bumps connect mm-wave integrated circuits to waveguides, reducing signal power loss and parasitic effects common in wire bonding.

A magnetoresistive effect device reduces impedance at resonant frequencies to filter high-frequency signals.

A coplanar printed balun uses a coupling microstrip group to transform unbalanced signals into balanced outputs.

Integrating stripline geometry with a circulator eliminates external matching structures, reducing insertion loss while maintaining bandwidth.

Tuning parasitic elements and substrate permittivity achieves parallel resonance, reducing common mode currents and EMI in high-frequency converters.

A magnetoresistive effect device filters high-frequency signals by inducing spin torque resonance to modulate impedance.

A shunt capacitor diverts surge currents away from a ferroelectric variable capacitance device.

Circular electrode and short stub couple dielectric waveguide to printed circuit board, widening bandwidth without increasing component count.

Sandwiching ceramic pucks between softboard outer layers increases thermal conductivity and power handling while maintaining manufacturing accuracy.

Parallel capacitors in a layered substrate reduce area while stabilizing coupling against positional variations.