Layout  preamp   Date: January 08, 2000 14:00:00

---------------------------------------------------------------------
Gerber files :

Filename                Polarity    Layer name
---------------------------------------------------------------------
SilkScreenTop.ger       P           Silkscreen top (Componentside)
Bottom.ger              P           Bottom layer (Solderside)
SolderMaskBottom.ger    P           Solder mask bottom (solderside)

Aperture file (Wheel table)         gerber.txt


---------------------------------------------------------------------
Drill files :
---------------------------------------------------------------------
preamp.drl                          Drill file
drills.txt                          Drill tool file

---------------------------------------------------------------------
Gerber output specification :
---------------------------------------------------------------------

Number format : 2 4
Suppression   : Leading zero
Coordinates   : Absolute


---------------------------------------------------------------------
PCB Specifications :
---------------------------------------------------------------------

PCB size (Width,height)             :   2650.0000 ,  3025.0000  mils
PCB size (Width,height)             :      2.65000,     3.02500 inch
PCB size (Width,height)             :     67.310  ,    76.835   mm

PCB origin (x,y)                    :   1000.0000 ,  1075.0000  mils
PCB origin (x,y)                    :      1.00000,     1.07500 inch
PCB origin (x,y)                    :     25.400  ,    27.305   mm


Board thickness                     : 1.6 mm
Material                            : FR4
Basic copper thickness              : 17.5 u
Number of layers                    : 2
Minimal Trace width                 : 12 mils (0.305 mm)
Minimal Clearance                   : 12 mils (0.305 mm)