synth_tools

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R24 R3, R21, R27, R28 R4, R6, R7, R30, R31 | 1 Hardware/PCB/precadsr/sym-lib-table | 3 | A1M | Potentiometer | | | | | S2 | 1 | Conn_01x07 | *(optional) SIP socket, 2.54 mm, 1x4 | | D1, D2 | 2 | 1N5817 | Schottky Barrier Rectifier Diode, DO-41 | | J1 | 1 | TL074 | Quad Low-Noise JFET-Input Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | D1, D2 | 2 | 1N5817 | Schottky Barrier Rectifier Diode, DO-41 D3, D4, D5, D6, D7, D8, D9, D10 Standard switching diode, DO-35 Operational amplifier, DIP-8 2 pin Molex connector 2.54 mm spacing Pin header 2.54 mm spacing | | | | J2 | 1 | B10k | **Potentiometer, 16 mm vertical board mount. \*\* Use only four (4) potentiometers, either 9 mm vertical board mount. Only 16 mm vertical board mount | | | J1 | 1 nF | Unpolarized capacitor | | | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10 Standard switching diode, DO-35 | | | | | R31 | 5 create mode 100644 Schematics/Enlarge/Enlarge.kicad_pro main precadsr/LICENSE 122 lines main VCA/Schematics/Dual_VCA.diy 8460 lines // PWM duty // pots (all p160s): // PWM duty attenuation /* [Default values] */ // Four hole threshold (HP rail_clearance = 8.5; // mm from very top/bottom edge and where it is safe to put the output jacks row_2 = row_1 + vertical_space/7; row_4 = row_3 + vertical_space/7; cv_in_1a = [left_col, row_3, 0]; manual_2 = [left_col, row_1, 0]; pwm_in = [input_column - h_margin/2, bottom_row, 0]; pwm_duty = [input_column, bottom_row, 0]; cv_in = [first_col, third_row, 0]; fm_lvl = [h_margin+working_width/8, row_2, 0]; audio_in_2 = [left_col, row_7, 0]; cv_in_1b = [right_col, row_3, 0]; right_rib_x = width_mm - h_margin; left_rib_x = thickness * 1; right_rib_x = width_mm - thickness*2.2; left_rib_x = thickness * 1.2; right_rib_x = width_mm - 9.5/2 - right_rib_thickness - tolerance; // left_panel_width = 40; // widest element is rotary, at 30mm slider_center = (width_mm - left_panel_width - right_panel_width)/2 + left_panel_width; slider_bottom = v_margin+12; out_row_2 = working_increment*1 + row_1; row_4 = working_increment*3 + row_1; row_4 = working_increment*3 + out_row_1; out_row_7 = working_increment*6 + out_row_1; out_row_3 = working_increment*2 + out_row_1; //special-case the knob main shape. [mm] knob_radius_top = 10; // Center adjust to fit in glide controls Final-ish tweaks 0252301f35f8bebc5b9bb1af3f4a42193c706b15 More assembly notes 812d609d12a788e600a582b2b6e7494f6d2b0728 More mounting hole 4mm no annular.

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