2 layers78.7 × 25.4 mm

Boards in 1 GitHub repository, designed in KiCad, that use the BUF634P by Texas Instruments (-2.25V~18V -40℃~+85℃ 1 1.5mA 100mV 100uV/℃ 250mA 2V/ns 2uA 4nV/√Hz@10kHz PDIP-8 Operational Amplifier ROHS). See how each wires it, with its parts, size, README and files; the BUF634P’s symbol, footprint and pinout are on its own page.
