Multiple-Port Networks TRIZ Cases

Phase detection circuit measures voltage difference during dead time to regulate load current phase.

An adaptive antenna tuning system determines tunable component values from a pre-defined set to optimize wireless device performance.

Integrates 2D planar and 3D through-glass via filters to reduce electromagnetic coupling in carrier aggregation systems.

A high frequency band pass filter uses capacitive coupling between opposed substrate surfaces to transfer RF signals without vertical conductive structures.

A network node computes uplink input covariances to jointly precode multi-user MIMO transmissions across distributed base stations.

Combination tuning probes use linked slugs on independent axes to expand frequency coverage.

System measures I/Q mismatch parameters using standard training sequences to resolve precision issues under fading channel conditions.

Merges impedance matching into the transceiver front-end circuit to remove switch-induced signal loss, lowering noise figure while maintaining output power.

Three coupled transmission lines arranged in distinct planes maintain equal differential mode characteristic impedance.

Merges multiple circulators into a single device to eliminate diplexers and tuners, reducing component count while stabilizing transmission-reception circuits.

Front end circuit sets distinct circulator port impedances to eliminate separate matching networks, reducing signal loss and component count in mobile devices.

Golay complementary sequences generate training codes that maintain channel estimation accuracy under severe co-channel interference.

A nested RF balun structure places an inner conductive trace completely within an outer trace to optimize inductive coupling.

Parallel resistive elements absorb stop-band energy in a reflectionless filter, eliminating reactive termination effects that destabilize amplifiers.

Vertical TSV trenches create larger signal-ground separation, reducing resistance and capacitance while maintaining compact device volume.

Connecting a single resistor at the transmitter end matches line impedance, eliminating signal ringing across branched lines without adding terminal components.

A tubular electrical filter uses a dielectric substrate with wide and narrow regions to support capacitors and wound inductors.

A block linear equalizer reduces sub-carrier errors by adding weighted multiples of neighboring symbols.

Adjustable electric line length in an impedance matching circuit adapts coupling between an RF amplifier unit and an antenna-like transducer.

High-pass matching circuit suppresses linear gain decrease during large signal operations by reducing high-frequency signal loss.

A dissipative terminated network and high-pass filter condition RF power signals between the DC supply and transistor.