4 layers67.6 × 58.3 mm

Boards in 2 GitHub repositories, designed in KiCad, that use the MMBT2907A-TP by Micro Commercial Components (-55℃~+150℃ 1 PNP 1.6V 100 100nA 200MHz 350mW 5V 600mA 60V PNP SOT-23 Bipolar (BJT) ROHS). See how each wires it, with its parts, size, README and files; the MMBT2907A-TP’s symbol, footprint and pinout are on its own page.


scular-HCC/DualLaserPDHDriver
Dual laster Pound-Dreaver-Hall driver setup. 1550 nm DFBs. Q=10^-5. Less than 20 GHz difference