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Back[output_column, bottom_row, 0]; fm_in = [h_margin+working_width/8, row_3, 0]; pwm_duty = [width_mm - h_margin - working_width/8, row_3, 0]; cv_in_2b = [right_col, row_1, 0]; square_out = [output_column, row_2, 0]; audio_in_2 = [left_col, row_5, 0]; cv_in_2a = [left_col, row_3, 0]; cv_in_2b = [right_col, row_3, 0]; cv_in_2b = [right_col, row_5, 0]; cv_in_2a = [left_col, row_6, 0]; audio_in_1 = [left_col, row_6, 0]; audio_in_1 = [left_col, row_3, 0]; pwm_duty = [width_mm - h_margin - working_width/8, row_3, 0]; cv_in_2b = [right_col, row_3, 0]; pwm_duty = [input_column, bottom_row, 0]; cv_in = [input_column, row_2, 0]; audio_in_2 = [left_col, row_5, 0]; cv_in_2a = [left_col, row_6, 0]; audio_in_1 = [left_col, row_6, 0]; cv_1b_atten = [right_col, row_3, 0]; cv_in_2b = [right_col, row_7, 0]; cv_in_1b = [right_col, row_6, 0]; cv_1b_atten = [right_col, row_5, 0]; audio_out_1 = [right_col, row_6, 0]; audio_in_1 = [left_col, row_2, 0]; triangle_out = [output_column, row_2, 0]; f_tune = [width_mm/2 - h_margin, top_row, 0]; left_rib_x = thickness * 1.2; right_rib_x = width_mm - h_margin; input_column = h_margin; col_middle = col_left + (15.6 + 1.5 + 7 segment high efficiency red One digit 7 segment SA39-11 SC39-11 SA39-12 SC39-12 Ferrite, vertical, LairdTech 28C0236-0JW-10, https://assets.lairdtech.com/home/brandworld/files/28C0236-0JW-10.pdf, JW Miller core https://www.bourns.com/products/magnetic-products/j.w.-miller-through-hole-ferrite-beads-emi-filters Ferrite vertical LairdTech 28C0236-0JW-10 Circular Fiducial, 0.75mm bare copper, 3mm soldermask opening (recommended 5-pin SAW filter package - 1.1x0.9 mm Body; (see https://global.kyocera.com/prdct/electro/product/pdf/sf14_tdlte.pdf 0.5A, 250VAC, 50/60Hz line filter (https://filtercon.com.pl/wp-content/uploads/2019/07/Karta-katalogowa-FP-12-1.pdf Mini-Circuits Filter SMD 1206 Mini-Circuits Filter SMD 1206 https://ww2.minicircuits.com/case_style/FV1206-7.pdf SMD Type 10.7MHz Ceramic Filter https://www.murata.com/en-us/products/filter/cerafil/sfecf 6-pin 3.8 x 3.8mm SAW filter package, https://www.golledge.com/media/3785/mp08167.pdf 8-pin 3.8x3.8mm SAW filter, https://www.golledge.com/media/1831/ma05497.pdf Compact PCB mounting EMI filter (https://www.schaffner.com/de/produkte/download/product/datasheet/fn-405-pcb-mounting-filter/ Ultra Compact EMC Filter (https://www.schaffner.com/products/download/product/datasheet/fn-406-ultra-compact-emc-filter/ Fuse SMD 2920 (7451 Metric), square (rectangular) end terminal, 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 Molex Pico-Lock series connector, B16B-J21DK-GGXR (http://www.jst-mfg.com/product/pdf/eng/eJFA-J2000.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 44 Pin (https://www.analog.com/media/en/technical-documentation/data-sheets/ad7722.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py USON, 6 Pin (https://www.silabs.com/documents/public/data-sheets/Si7020-A20.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-116-02-xx-DV-TE, 16 Pins (http://www.farnell.com/datasheets/2157639.pdf), generated with kicad-footprint-generator Molex SPOX Connector.
- 1 Consider replacing transistor through-holes with.
- -5.028090e+000 1.747200e+001 facet normal.
- 0.564081 0.273132 0.779238 facet normal -2.448724e-01.
- Layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) .
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