Multiple-Port Networks TRIZ Cases

A mixing module combines state-based admittances from pulsed RF output to tune capacitance and frequency faster with lower reflected power.

Binary-weighted phase sections and isolation switches deliver 360° RF phase control in uniform steps while limiting parasitic interference.

Switching between positive and negative transformer coupling delivers a 180° phase shift with low insertion loss, wideband flatness, and small die size.

Coordinated LC switching lets a passive phase shifter change phase while holding input, output, and characteristic impedance stable.

By varying source RF frequency across bias waveform phases, this case reduces reflected power and improves plasma generation efficiency.

A single-point ground connection in a multi-row digital phase shifter suppresses phase shift loss while saving substrate mounting space.

Interleaved transformer windings cancel magnetic fields to cut ripple and odd harmonics while preserving output voltage during load steps.

Oppositely wound coupled coils and stacked capacitors create two attenuation poles, widening low-pass filter bandwidth and cutoff sharpness.

A planar bus bar routed through a magnetic core simplifies filter manufacturing while improving high-frequency electromagnetic noise suppression.

Stacked inductors and capacitors improve terminal isolation while widening attenuation bandwidth for more efficient base station amplifiers.

A stacked dielectric and via layout adds low- and high-side attenuation pole tuning while widening the pass band of a four-resonator LC filter.

Passive branch filters let two RF units share one antenna while isolating each frequency, avoiding active switches, bulk, and added cost.

A balanced impedance ladder uses Wheatstone bridge tuning to isolate transmitter and receiver ports while reducing insertion loss and footprint.

Embedding the balun in the package substrate converts differential and single-ended MM-wave signals while saving PCB area and reducing crosstalk.

A multilayer conductor and electrode layout raises inductor Q while preserving capacitor efficiency and compact component volume.

Using piezoelectric transformers and inductors, this output filter limits motor-drive dv/dt and common-mode currents while recycling energy.

A two-capacitor input network suppresses second harmonics and matches transistor impedance to raise drain efficiency and output power.

Digitally controlled matching and phase-tuning networks counter impedance mismatch across carrier aggregation band combinations with lower complexity.

A distributed tuner splits inductive and capacitive elements across substrate and RF IC to maintain antenna matching in compact devices.

Controlled DNA movement through nanopores improves long-sequence reading accuracy and speed for high-density polymer data storage.

A switchable impedance network lets one TPMS emitter send 315 MHz or 433 MHz signals, reducing detector variants and inventory cost.

A shared-primary dual-band balun uses isolated secondary coils and switching to cover 28G and 39G bands with less loss and smaller RF footprint.

Synchronized multi-level source and bias RF pulses improve ion energy control, etching precision, and by-product suppression in deep hole etching.

A cascaded acoustic-LC filter widens RF passbands while keeping sharp near-band rejection and low insertion loss for 5G carrier aggregation.

A compact filter circuit uses opposed conductors, core through-holes, and capacitor terminals to suppress converter noise without adding bulk.

Sequential PIN-diode switching via a relay capacitance reduces overshoot and keeps plasma load impedance matching stable.

Dynamic tuner settings track beam switches to correct RF impedance mismatch, improving power transfer and signal transmission reliability.

A dual-path isolation circuit with a balun and non-reciprocal phase shifter enables single-cable full-duplex transceivers with wider bandwidth.

A cascaded acoustic and LC filter balances wide RF bandwidth, low insertion loss, and strong harmonic suppression near the passband.

An inductor-RC branch divides LISN voltage to suppress conducted EMI in switch tubes, avoiding separate filter plates and lowering test cost.

Predicting the next pulse frequency from admittance data enables fast impedance matching, lower reflected waves, and more stable plasma.

A grounded conductive housing and shared bus isolate switched capacitor modules, enabling more accurate RF capacitance characterization.

A balun and dedicated ground electrode stabilize plasma potential despite chamber wall film buildup, keeping sputtering and etching conditions consistent.

Self-centering wire windings in ferrite core channels keep spacing uniform, cutting eddy current, core, and winding losses in Class-D audio filters.

High-pass and low-pass combiner stages shrink Wilkinson RF circuits while preserving isolation bandwidth and improving insertion loss.

An adjustable LPF resistance speeds microphone DC bias settling at startup, reducing pops and clicks before clean audio output.

One-time e-fuse path programming sets phased-array beam direction while avoiding active tuning, reducing signal attenuation and power use.

A resonant third-coil and capacitor loop suppresses harmonics while preserving wideband impedance matching with low insertion loss.

A stacked signal-ground-signal capacitor with an isolated through via raises self-resonant frequency and stabilizes filter capacitance at high frequencies.

Impedance matching circuits and slot-coupled radiators lower VSWR and improve multiband antenna radiation, including the 5.15-5.85 GHz WiFi band.

An auxiliary coil on a three-phase differential-mode reactor damps common-mode ringing above 1 kHz without added chokes or extra space.

Integrated magnetic and capacitive coupling enables a compact bi-directional RF phase shifter with shared Tx/Rx paths, low loss, and no DC power.

Adjustable electrical length lets RF signals bypass or pass through a filter without relays or solid-state switches, cutting spurious signals and power draw.

Separate SPST capacitor switching and SPxT inductor paths cut RF tuning losses and suppress unwanted resonances at higher bands.

A tapered coplanar waveguide lowers limiter threshold power while preserving insertion loss, return loss, and consistent attenuation.

A switched parallel capacitor element expands capacitance range to improve RF tuning ratio and radiation direction with manageable circuit complexity.