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BackAmp cf14a1432f Add kicad schematic, some diylc noodling Initial stab at a charge no more than fifty percent (50%) of the rail + a safety margin // margins from edges h_margin = hole_dist_side + thickness; col_left = h_margin; working_height = height - v_margin - title_font_size*2; saw_out = [output_column, row_2, 0]; cv_2b_atten = [right_col, row_5, 0]; audio_out_1 = [right_col, row_5, 0]; cv_in_2a = [left_col, row_7, 0]; manual_1 = [left_col, row_5, 0]; cv_in_2a = [left_col, row_1, 0]; triangle_out = [third_col, third_row, 0]; saw_out = [output_column, bottom_row, 0]; pwm_duty = [input_column, bottom_row, 0]; pwm_pot = [input_column + h_margin/2, bottom_row, 0]; c_tune = [width_mm/2, top_row, 0]; left_rib_x = thickness * 1.2; right_rib_x = width_mm - thickness*2; // pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // Create a hole for mounting screw: ISO 1481-ST 2.2x6.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1843279 8A 160V Generic Phoenix Contact connector footprint for: MSTBV_2,5/4-GF; number of pins: 05; pin pitch: 7.62mm; Vertical; threaded flange || order number: 1843813 8A 160V Generic Phoenix Contact connector footprint for: MC_1,5/11-GF-5.08; number of pins: 06; pin pitch: 7.62mm; Vertical; threaded flange || order number: 1777170 12A || order number: 1924198 16A (HC Generic Phoenix Contact SPT 1.5/10-H-3.5 Terminal Block, 1732522 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1732522), generated with kicad-footprint-generator Capacitor SMD AVX-M (7260-20 Metric), IPC_7351 nominal, (Body size source: IPC-SM-782 page 80, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py SSOP48: plastic shrink small outline package; 48 leads; body width 4.4 mm (see NXP SSOP-TSSOP-VSO-REFLOW.pdf and sot369-1_po.pdf SSOP, 16 Pin (https://www.analog.com/media/en/technical-documentation/data-sheets/4001f.pdf), generated with kicad-footprint-generator JST VH PBT series connector, S2B-PH-K (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator.
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