Input/Output Impedence Modification TRIZ Cases
- Pass Switch Impedance Tuning for Lower Jitter and Attenuation
Sized impedance and faster gate activation cut pass-transistor jitter and high-frequency attenuation in broadband signal paths.
- Follower Output Buffer for Adaptive Transmission Line Impedance
A follower circuit adapts output impedance during switching to match transmission lines and reduce supply noise, ringing, and ISI.
- Single-Ended Input Buffer With Capacitive Symmetry Boost
Capacitive coupling lets a differential input buffer mimic the opposite reference transition, improving symmetry and speed for single-ended signals.
- Transmitter Pad Transition Control Using Pre-Charged Capacitors
Pre-charged capacitors shape transmitter rise and fall times to balance EMI, receiver performance, and reflections without extra timing control.
- Variable-Width Driver Circuit for Glitch-Reduced Impedance Matching
Synchronized combined control signals adjust transistor width at clock edges to keep driver impedance stable and reduce glitches and reflections.
- Linear Output Driver Circuit for Constant Impedance Across Voltage
Parallel transistor legs linearize driver current over voltage, keeping output impedance stable and reducing mismatch noise in memory I/O.
- ZQ Calibration Circuit for Fast, Precise Memory Termination Matching
A two-stage ZQ calibration circuit uses normal and micro target ranges to speed resistance tuning while improving memory termination accuracy.
- Variable Impedance Sensing With Offset-Compensated Matching
Offset polarity detection adjusts VIS matching codes to cut input-offset error and improve impedance accuracy at low supply voltage.