Multiple-Port Networks TRIZ Cases

A coupler circuit uses a crossing transmission line to transform impedance between port pairs without external matching components.

A tunable notch filter uses adjustable capacitors to attenuate strong interfering signals.

A control unit adjusts RF tag matching circuit impedance by varying a variable load unit's power consumption to maximize rectified output voltage.

A receiver monitors protocol signals to detect transmission errors and asserts an error signal when rule violations occur.

Noise circulating capacitance between coil electrodes controls reflection and reduces signal wiring noise without increasing component size.

A hybrid signal splitter combines ferrite transformers with Wilkinson splitters to divide RF power across a wide frequency band.

A power amplifying converter uses a multi-balanced-unbalanced converting unit made of 1/12 wavelength transmission lines to reduce circuit area and transmission loss.

Merged spiral inductors reduce IC die area and production costs by integrating filtering functionality with impedance matching across multiple frequency bands.

Frequency domain equalizer applies blind estimation of the auto-correlation function to generate time domain samples.

Multilayer electronic component with T-type LC filter structure and inner ground electrode between coils.

The device reduces computing overhead in fading channels by estimating channel impulse responses with known pilot symbols before data transmission begins.

A semiconductor power amplifier uses segmented filter circuits with strategically placed capacitors to attenuate signal harmonics.

A radio frequency harmonic filter circuit uses a single integrated passive device loop inductor to provide impedance matching and harmonic rejection.

A vehicle microphone assembly uses a phase inverter circuit to cancel line-induced noise from ambient disturbances.

A transmitter equalizer adjusts settings using a two-dimensional search grid to condition data signals efficiently.

A transmission line network uses series and parallel sub-network connections with resistive junctions to transform impedance across a broad frequency range.

A partially meshed ground plane increases inductance to mitigate multi-reflection noise and enhance channel margins without complex receiver circuits.

Separate MEMS and oscillator dies use inductive coupling to isolate the resonator from mechanical stress while maintaining frequency accuracy.

Abnormality detector monitors commercial power system voltage and input or output currents to identify relay contact welding faults.

Pole-zero elements enable tunable duplexers to pass or block specific frequency bands using MEMS capacitors and inductors.

A resistor holder positions conductive leads to engage a coaxial port, eliminating costly soldering processes that cause seam fractures and signal degradation.

An L-shaped third-ground surface with a frequency-modulation element adjusts antenna frequencies without altering metal plate sizes, simplifying production.

A choke component with magnetic hysteresis isolates control signals from power lines by switching between saturation and non-saturation states.

A filter design uses series and parallel arm resonators with distinct relative bandwidths to manage signal paths.

Orienting magnetic particles perpendicular to the coil axis increases inductance and Q value in high-frequency regions.

Segmenting processing between a hardware accelerator and a programmable DSP reduces power consumption while maintaining high precision.

An on-chip electrostatic discharge protection circuit uses LC parallel resonators to provide impedance matching.

Cascaded chokes with varied core materials broaden frequency range filtering effectiveness while preserving signal fidelity against RF interference.