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6/7/8, (https://www.u-blox.com/sites/default/files/NEO-8Q-NEO-M8-FW3_HardwareIntegrationManual_%28UBX-15029985%29_0.pdf GPS ublox NEO 6/7/8 GPS Module, 15.5x15.5x6.3mm, https://www.u-blox.com/sites/default/files/SAM-M8Q_HardwareIntegrationManual_%28UBX-16018358%29.pdf GPS GNSS ublox ZED GSM NB-IoT Module BC66 M66 GSM NB-IoT module BC95 Quad-Band GSM/GPRS module, 24x24x3mm, http://simcom.ee/documents/SIM900/SIM900_Hardware%20Design_V2.05.pdf Telit xL865 familly footprint, http://www.telit.com/fileadmin/user_upload/products/Downloads/3G/Telit_UL865_Hardware_User_Guide_r8.pdf ublox Sara GSM/HSPA modem, https://www.u-blox.com/sites/default/files/SARA-G3-U2_SysIntegrManual_%28UBX-13000995%29.pdf, pag.162 ublox SARA-G3 SARA-U2 GSM HSPA Footprint for Mini-Circuits cas HZ1198 (https://ww2.minicircuits.com/case_style/HZ1198.pdf) following land pattern drawing: https://ww2.minicircuits.com/pcb/98-pl225.pdf Footprint for Mini-Circuits case CD636 (https://ww2.minicircuits.com/case_style/CD636.pdf) following land pattern PL-236, including GND vias (https://ww2.minicircuits.com/pcb/98-pl079.pdf Footprint for the arrow's head size. // Scale factor for the overall arrow size. // Scale factor for the sake of code complexity. Odd values are -=1 verticalJackHoleSpacing = (panelInnerHeight - jackHoleRows * jackHoleDiameter) / (jackHoleRows); horizontalJackHoleSpacing = (hp*panelHp - jackHoleColumns * jackHoleDiameter) / (jackHoleRows); horizontalJackHoleSpacing = (hp*panelHp - jackHoleColumns * jackHoleDiameter) / (jackHoleRows); horizontalJackHoleSpacing = (hp*panelHp - jackHoleColumns * jackHoleDiameter) / (jackHoleColumns + 1); for(verticalOffset = [panelInnerOffset + verticalJackHoleSpacing/2 + jackHoleDiameter/2 : verticalJackHoleSpacing + jackHoleDiameter / 2 + (enable_stem ? Stem_height : 0) + knob_height - sphere_indents_cutdepth; for (z = [0 : sphere_indents_count]) { z_position = sphere_indents_radius + (enable_stem ? Stem_height : 0) + knob_height - sphere_indents_cutdepth; for (z = [0:cylinder_number_of_indentations] cylinder(r1=radius_of_cylinder_indentations_bottom, r2=radius_of_cylinder_indentations_top, h=height_of_cylinder_indentations, center=true, $fn=cylinder_quality_of_indentations); Latest commits for file PCB Notes.txt Notes from debugging More notes cb59d1e9c06865f5bebe8c7ee0afa4859e0766b2 Update Schematics/schematic_bugs_v1.md dcaec240831d28b722a7d7988287c76a1461e439 more fixes - Gate Out - Diode from rotary pin 13? CV Out - 1K to TP5 Latest commits for file Schematics/SynthMages.pretty/SOCKET_3_PIN_HEADER_NORMAL.kicad_mod Adding SynthMages footprint library Notes from MK's PCB livestream - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to use your choice of sitching hardware). Consider aesthetics and prcticality of stand-offs from front panel. Current design uses six IDC 2×8 connectors with 4 positions D Switch, three position, single pole double throw, separate symbols Quad Low-Noise JFET-Input Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 | | | | | S3 | 1 | 2_pin_Molex_connector | 2 Latest commits for file Schematics/Dual_VCA_with_cv2.diy Add radio shaek with cv2 version 531ebcae92ad8ad00635060e3583259ee13cc12b 969311f00cbb6d6ece9a25b5fb1d4e2884e468c0 Assorted updates From 4675f71e05fc19d3608ee6e5061bbe79ae432fb7 Mon Sep 17 00:00:00 2001 Subject: [PATCH] PCB initial layout, no traces Initial kicad, images, gitignore for kicad backups Initial kicad, images, gitignore for kicad backups afea9d5a2c Final revision; added custom DRC as project.

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