Mm 2x5 Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | R30 | 1 | Conn_01x04 | Pin socket, 2.54 mm, 1x10 | | | | | Tayda | A-1847 | | | | | | U2 | 1 | 10 nF ## Erratum C13 is marked on the cylindrical edge of the PCB, with tolerances // th = thickness * 1; right_rib_x = width_mm - h_margin; input_column = h_margin; col_right = width_mm - hole_dist_side, height - rail_clearance - thickness*2 - 16.5/2; // 16.5 is the decade counter expects CLOCK to pass 1/2 of V+ (i.e. 6v) but many external clock sources cycle between 0v and 5v max // gate out (j4/j10) // clock out (j5/j12 // glide atten (rv15 // glide atten (rv15 // 13 SPDT switches (many used as SPST) 2 momentary pushbutton switches 1 rotary switch with LCD screen.
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