2 layers193.5 × 95 mm

RS485 antenna switch v1.2
EI9SP/Remote-Antenna-Switch
Four to one Remote Antenna Switch, Full duplex RS485
90 parts1
Boards in 3 GitHub repositories, designed in KiCad, that use the SM4003 by MDD (-55℃~+175℃ 1 Independent 1.1V@1A 1A 200V 30A 5uA@200V LL-41 Diodes - General Purpose ROHS). See how each wires it, with its parts, size, README and files; the SM4003’s symbol, footprint and pinout are on its own page.

EI9SP/Remote-Antenna-Switch
Four to one Remote Antenna Switch, Full duplex RS485

Hirusha785/400W-Class-D-Audio-Amplifier
🎵 400W Class-D Audio Amplifier designed around the IRS2092S high-performance Class-D controller, featuring a ±55V power stage, discrete MOSFET switching section, LC output filter, protection circuitry, and a custom…
