Number Nine Design is a Connecticut-based engineering service, specializing in engineering, printed circuit boards, PCB fabrication, PCB assembly, PCB Component procurement, mechanical design, schematic capture, IPC Designers Council chapter member, Sequential Routing, Line Termination, Line Length Control, Impedance Calculation, Impedance Control, Shielding, Cross Talk Avoidance, Analog design , Digital design , High Speed Digital design ,ECL design, Telecommunications design, Network design, DFM, DFT, Gerber file, Assembly drawing, Pick data, Allegro file output, CT, Connecticut, Conn and Printed Circuit Board.