2 layers100 × 100 mm

G2-Control
bernerus/TetrodeBoards
The Tetrode Boards by Ian White, GM3SEK. Redesigned with KiCad.
93 parts
Boards in 1 GitHub repository, designed in KiCad, that use the BZX55C15V by JUXING (1 Independent 100nA@10.5V 110Ω 13.8V~15.6V 15V 30Ω 500mW DO-35 Zener Diodes ROHS). See how each wires it, with its parts, size, README and files; the BZX55C15V’s symbol, footprint and pinout are on its own page.

bernerus/TetrodeBoards
The Tetrode Boards by Ian White, GM3SEK. Redesigned with KiCad.