Line-Transmission TRIZ Cases
- Coupling Module for DC Offset Shifting in High-Speed Optical Links
Parallel high-pass and low-pass paths with level shifting preserve bandwidth and DC response between optical transceivers and processing modules.
- Temperature-Compensated Delay Circuit for Stable Transmission Timing
A dual-current compensation circuit offsets temperature-driven wire delay shifts, keeping transmission timing stable in integrated circuits.
- Bus Transceiver Biasing for Dominant-to-Recessive Oscillation Damping
A bus biasing path damps dominant-to-recessive transition oscillation, enabling higher bit rates and more reliable bit-state detection.
- Copper Wire Interface Circuit With Port Impedance Holdoff
A port impedance component and high-pass filter preserve cable matching during low-power state changes, reducing crosstalk and transmission instability.
- Ethernet Cable Diagnosis Using IEEE 802.3 Link Test Pulses
IEEE 802.3 compliant link test pulses enable Ethernet cable diagnosis during link establishment while preserving interoperability and locating faults.
- Inquirer-Side Circuit for Asymmetric Automotive Ethernet
An automotive Ethernet inquirer-side circuit uses asymmetry data mode and selective echo cancellation to reduce power use.
- Transmission Line Diagnostics Using TDR Echo Comparison
Time domain reflectometry compares cable echo responses to characterize impedance, insertion loss, and return loss without a costly vector network analyzer.
- Inquirer-Side Circuit Switching for Low-Power Automotive Ethernet
Dynamic switching between full-duplex and asymmetry modes helps an automotive Ethernet inquirer circuit reduce power while preserving communication capability.
- Downstream Interference Suppression in Full-Duplex Coaxial Networks
Phase-adjusted combining elements cancel coherent interference from full-duplex transmitters, reducing dynamic range requirements for coaxial receivers.
- DSL Signal Circuit Passive Echo Canceller
Passive echo cancelling circuit using three-winding transformer segments to simulate characteristic impedance, eliminating active component bandwidth limits.
- Signal Processing Circuit Phase Adjusting Error Compensation
A signal processing circuit uses phase adjusting and error compensating circuits to generate compensated input signals for receiving end ADC sampling.
- Adaptive Echo Cancellation Filter with Dynamic Tap Adjustment
An adaptive filter system monitors coefficients and errors to dynamically adjust delay elements and taps for impulse response tuning.
- Transceiver Timing Control Module for Signal Delay Calibration
A transceiver timing control module synchronizes echo and echo cancellation signals using digital-to-analog converters.
- Segmented Echo Cancellation Filter for Full-Duplex Systems
A segmented echo cancellation filter uses multiple components with variable coefficient sizes to replicate echo pulse responses efficiently.
- One-Wire ECDD Signal Modulation for Skew Elimination
A direct period synthesizer embeds clock edges and data duty cycles into a single electrical signal.
- Non-linear Echo Signal Estimation for Full-Duplex Ethernet
A non-linear echo signal generator partitions data inputs to compute weight vectors and access memory interpolants for accurate signal estimation.
- Signal Transceiver Circuit Phase Alignment for Hybrid Echo Reduction
Delay circuit adjusts clock timing to align echo cancellation signals with output signals, reducing hybrid echo amplitude.
- Echo Cancellation via Adjustable Capacitor Delay Control
Adjustable capacitor circuits control delay differences between differential signal pairs to reduce intra-pair skew.
- Wireless Microphone Pilot Tone Frequency Coordination
A pilot tone transmitting unit sends high-power signals on a dedicated channel for reliable audio transmission.
- Full Duplex Audio Echo Cancellation Using User Hearing Profiles
A full duplex audio system configures dynamic range controllers using user hearing profiles to optimize signal processing parameters.
- Echo-Canceling Mixer Circuit With Adaptive Wheatstone Bridge
An adaptive impedance control circuit adjusts variable loads within a Wheatstone bridge structure to cancel near-end echo noise and maintain signal integrity.
- Timing Dependence Cancellation Module for MLT-3 Echo Convergence
A timing dependence cancellation module processes transmission signals to enable effective echo simulation.
- CPRI Signal Transmission Over Coaxial Lines
Converting CPRI signals to analog formats reduces bandwidth occupation and improves frequency resource utilization.