Synchronisation Information Channels TRIZ Cases

A binary phase detector and multi-path digital filtering let this PLL recover high-bit-rate clocks from data streams without a separate reference.

Clock recovery from encoded data lets audio links keep synchronization and high-quality playback without a separate return clock line.

A low-frequency shared clock with local multipliers and PLLs cuts multi-channel power use while keeping deterministic alignment.

Half-period setup timing in a PLL synchronization circuit improves cross-clock signal transfer tolerance and reduces inspection anomalies.

Buffer-state sampling across asynchronous clock edges improves serial interface underflow detection and interrupt timing.

When external noise disrupts the clock lane, automatic high-speed clock recovery keeps data reception active during low-power to high-speed switching.

By detecting sampling-point potential and rebuilding a preset-amplitude signal, this case avoids reflection-driven data errors in differential transmission.

Feedback-based phase control aligns edge and data clocks across frequency-offset domains to cut phase error and improve sampling reliability.

Duty-cycle feedback from a self-sampled clock corrects reference voltage offset in single-ended links, improving noise tracking and reducing jitter.

Trigger signals align lower-rate sensor output with higher-rate processing to cut latency and synchronization complexity in digital sensor systems.

A PLL-based master-slave scheme measures inter-chip delay and corrects skew to keep daisy-chained sensor modules synchronized at picosecond accuracy.

Phase comparison between a clock input and its filtered output detects glitch attacks and helps secure chip operation.

Low-frequency phase measurement tracks memory clock drift from voltage and temperature changes, enabling controller-side timing adjustment.

A digital master clock and analog clock recovery scheme keeps DAS signal conversion synchronized over long links while limiting loss and distortion.

A pre-charged bias circuit, CML clock buffers, and delay control cut turn-on latency, ringing, and jitter in chip-to-chip links.

Predicting and emulating an event clock improves phase alignment across different frequencies for more accurate Ethernet frame timestamps.

Pulse-width modulation embeds sync timing in the reference clock, cutting extra SYSREF or PPS hardware while keeping IC clocks aligned.

Delay-compensated mask signals correct processing lag when extracting an embedded clock, improving interface sampling accuracy and reliability.

Joint FEC across multiple datastreams uses synchronized start symbols and symbol counts to map source blocks accurately without extra data.

Voltage droop detection drives PI or DLL phase correction to limit strobe shift and recover eye margin in source-synchronous IOs.

Using selectable multiphase sampling and PLL-based phase control, this case widens clock recovery range and improves response at low and high data rates.

Earlier transmit timing and a delayed clock preserve synchronization margins in high-frequency semiconductor signal links.

Digital phase error samples from an ADPLL drive a phase rotator to cancel residual RF phase noise and improve signal quality.

Dynamic delay calibration tunes a multiphase clock recovery circuit to suppress extra transitions, cut jitter, and preserve link bandwidth.

Multi-path filtering of binary polarity signals lets a PLL recover a high-bit-rate clock directly from data without a separate reference signal.

Switching between reference signals offset by half a clock period enables non-integer frequency division with low noise, stable duty cycle, and better circuit isolation.

Deframers alter errored Ethernet packets to keep controller and radio head clocks synchronized without restart or recalibration.

Fast turn-on biasing, CML clock buffers, and delay tuning cut ringing and jitter in a low-power source-synchronous chip interface.

Divided and phase-locked clock paths improve timing margins and data sampling accuracy between processor and memory clocks.

A converter-side re-clocking stage cleans isolator-induced jitter, improving SNR in galvanically isolated high-speed data capture.

Low-frequency replica clock measurement lets the memory device report phase drift so the controller can correct timing misalignment.

A dual-detector CDR clears metastable dithering with phase adjustment, cutting lock time in burst-mode and high-speed serial links.

Variably delayed sync pulses measure returned clock samples to correct phase offsets across unequal paths in radiation-prone mixed-signal systems.

A switchable analog-digital clock architecture balances phase-noise thresholds, power use, and circuit area across communication standards.

Holds the sync signal at a defined DC level during inactivity to prevent baseline wander and false triggering over AC-coupled links.

A serial sync chain lets each converter detect delay and choose the right clock edge, keeping high-frequency ADCs and DACs in phase.

Monitors phase detector behavior to detect false CDR lock under sinusoidal clock jitter and apply frequency offset correction.

Higher hysteresis rejects idle-line noise, then switches lower on packet detection to reduce metastability and preserve receiver sensitivity.

Separate proportional and integral paths let this CDR cut high-frequency power use, maintain loop stability, and reduce read-out errors.

Intermittent clock phase shifting cuts EMI noise without a spread spectrum clock generator, reducing circuit size and chip area.

Sequential sync chaining aligns high-frequency data converters to the reference clock while avoiding complex phase-matched signal distribution.

A matched replica clock path tracks voltage and temperature delay drift, enabling real-time timing compensation in unmatched receivers.

Multiple filtered polarity paths help a PLL lock to incoming data and synthesize a sampling clock at high bit rates without a reference signal.

By sensing jitter frequency and amplitude, the CDR loop updates loop gains during live traffic to reduce bit-error rates and jitter amplification.

PLLs up-convert and down-convert source-synchronous clocks with phase alignment, enabling SDR and DDR devices to exchange data reliably.