EDN

Spectral content of NRZ test patterns

Many digital-communications systems use non-return-to-zero (NRZ) signaling, and system designers have created many NRZ test patterns to test and verify their products. These patterns usually either ...
EDN

Test patterns are supposed to stress you out

Test patterns play critical roles in physical layer compliance testing by challenging different aspects of a system. Receivers in HSS (high-speed serial) technology must be stable. When the average ...
Hackaday

Pocket-sized Test Pattern Generator Helps Check Those CRTs

Nicholas Murray]’s Composite Test Pattern Generator is a beautifully-made, palm-sized tool that uses an ESP32-based development board to output different test patterns in PAL/NTSC. If one ...
Hackaday

test pattern

[Nicholas Murray]’s Composite Test Pattern Generator is a beautifully-made, palm-sized tool that uses an ESP32-based development board to output different test patterns in PAL/NTSC. If one is checking ...