USB Network Adapter for SFP
Stable placement thanks to its weight of 500 gram.
TI's low-noise and high-PSRR LDO TPS7A47 as well as two Ruby Mica Capacitors are used.
This combination realizes extremely low noise from a stable power supply that has been hard to find before.
External power input with a physical switch. (DC connector 5.5/2.1 including a mechanical relay)