Pulse Transformer TRIZ Cases

Splitting input bits between PWM and PDM improves modulation resolution while shortening period length and reducing power loss and noise.

Pre-interpolation lets DSD audio streams at different sampling rates switch directly without PCM conversion, reducing delay and processing load.

A pre-filter bank and symbol mapper convert single-bit audio to a constant-edge-rate stream while preserving modulation index and reducing playback noise.

Dynamic phase changes in phased arrays can shift frequency; this case preserves pulse timing and phase accuracy while varying carrier frequency.

By shifting carrier frequency while preserving phase-pulse timing, this case reduces phased array signal errors during dynamic phase changes.

Direct mapping converts single-bit audio to constant-edge-rate symbols, cutting DAC noise and distortion while preserving modulation index.

Pre-interpolation matches lower-rate DSD streams to the demodulator clock, enabling direct switching without PCM conversion or crossfading delays.

Intermodulation decorrelation lets beamformed RF signals use nonlinear amplifiers and low-resolution converters with higher power efficiency.

Direct mapping with a pre-filter bank and symbol mapper keeps edge rate constant, reducing DAC distortion and preserving audio volume control.

A repeater splits HDCP verification into two computing modes to extend transmission distance without breaking time-limited content protection.

Dynamic pre-distortion and iterative compensation let FTN satellite uplinks run near HPA saturation while limiting ISI and nonlinear distortion.

Different coefficients merge multiple OFDM streams into one antenna transmission, improving decoding where MIMO or signal quality is limited.

An AGC-controlled trace canceller equalizes line distortion and prevents redriver clipping, preserving training pulse amplitude and phase.

An AGC-controlled trace canceller equalizes line-length distortion while preventing redriver clipping, preserving training pulse amplitude and phase.

Signal detection enables frequency comparison only when input data is present, preserving clock recovery accuracy while reducing oscillator cost and board space.

Adjustable phase error tolerance helps a PLL lock detector avoid false unlock decisions caused by mismatch, process variation, and temperature.

Digital local oscillator calibration corrects IF frequency error, improving receiver range and SNR while avoiding costly compensated crystals.

Interleaved feedback paths and delay-locked loops improve serial clock recovery accuracy at high data rates with fewer delay cells and lower power.

Selective swapping of PWM edges reshapes Class D amplifier spectra to suppress AM-band EMI without degrading baseband signal integrity.

A CMU and phase interpolator average forwarded and internal clocks to cut jitter buildup in repeaters and extend high-speed copper links.

Phase-error spreading adds correction pulses across the clock cycle, helping a PLL reduce delayed correction jitter and improve stability.

Varying PWM duty cycle with an output band-pass filter enables fast RF amplitude modulation while limiting RF currents and switch stress.

Partitioned constellation subsets let a relay node adapt network coding to channel conditions, reducing error buildup while preserving transmission efficiency.

Separate phase and frequency feedback paths cut CDR latency to one bit interval, improving sampling timing when data transitions are sparse.

Differential polarity pulses let SDA and SCL cross isolation barriers, enabling reliable serial communication between systems with different grounds.

Recovered-data monitoring lets CDR loops retune frequency scaling for stable serial links from 622 Mbps to 12.5 Gbps without reset.

A divider, recovery, and phase aligner recover embedded clock timing to synchronize ICs without extra PLLs or clock pins.

Dual bias generators and two VCO ranges cut frequency and phase jitter while preserving stable PLL bandwidth across wide clock tuning.

Latch circuits and bisynchronous memory synchronize NoC flow-control signals across clock domains, cutting global clock overhead and latency.

A reconfigurable phase/frequency detector switches PLL and FLL modes to support varying data rates while reducing spurious clock content.

A PLL, divider chain, and mixers generate all UWB bands while reducing harmonic distortion from multi-stage I/Q mismatch.

A shared digital PLL uses per-stream expected timestamps and error filtering to keep multiplexed packet streams synchronized.

Tile-based pre-route repeater insertion uses congestion, wire class, and timing slack to cut rerouting, improve QoR, and reduce computation time.

Non-overlapping switched capacitors and an integrator convert clock frequency directly to current with low ripple, small silicon area, and fast start-up.

An external antenna-output reference lets the adaptive filter cancel feedback and intermodulation in on-channel repeaters.

A shared PLL synthesizer replaces separate transmit and receive loops, cutting RF transceiver die area, power use, and cost.

Two synchronized loops combine digital coarse tuning and analog fine phase control to recover clocks accurately despite jitter and frequency drift.

Local phase detection and delay control keep receive clocks aligned with high-speed data despite process and temperature variations.

By switching the PLL reference frequency, this case shifts fractional-N spurs outside the passband to improve SNR and BER.

A beat detector system multiplies clock signals to identify frequency deltas and trigger immediate switching.

Iteratively adjusting PWM frequency and duty cycle limits in-rush currents during uncharged capacitor connection.

An active channelized antenna system uses multiplexer circuitry to divide input signals into narrowband components for separate amplification.

Concurrent transmission of relay and transmitter codewords eliminates idle time, resolving the trade-off between reliable processing and high data rates.