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Looking from below. Clock rate goes down when resistance goes up, opposite to expectation. Schematic fixes: - C1 is too small for a single 0.25 mm² wires, reinforced insulation, conductor diameter 1.7mm, size source Multi-Contact FLEXI-xV 0.75 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for a single 0.25 mm² wires, basic insulation, conductor diameter 0.48mm, outer diameter 1mm, size source Multi-Contact FLEXI-E 0.1 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Mounting Hardware, inside through hole 3.3mm, height 2.5, Wuerth electronics 9774070982 (https://katalog.we-online.de/em/datasheet/9774070982.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py 14-Lead Plastic DFN (3mm x 2mm) 0.40mm pitch DDB Package; 8-Lead Plastic DFN (2mm x 2mm), http://ams.com/eng/content/download/950231/2267959/483138 DD Package; 14-Lead Plastic DFN (5mm x 5mm); (see http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/lfcspcp/cp-32/CP_32_27.pdf LFCSP, 48 Pin (http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/QFN_48_05-08-1704.pdf), generated with kicad-footprint-generator JST ZE series connector, B12B-XASK-1 (http://www.jst-mfg.com/product/pdf/eng/eXA1.pdf), generated with kicad-footprint-generator Molex Mini-Universal MATE-N-LOK, old mpn/engineering number: 1-794107-x, 11 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator Molex Molex 1.00mm Pitch Easy-On BackFlip, Right-Angle, Bottom Contact FFC/FPC, 200528-0290, 29 Circuits (https://www.molex.com/pdm_docs/sd/2005280290_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py 16-Lead Ultra Thin Quad Flatpack - 10x10x2.5mm Body (http://www.onsemi.com/pub/Collateral/122BK.PDF PQFP80 14x20 / QIP80E CASE 122BS (see ON Semiconductor 506AF.PDF DKD Package; 24-Lead Plastic QFN (4mm x 3mm) (http://pdfserv.maximintegrated.com/land_patterns/90-0063.PDF 14-lead very thin plastic quad flat, 3.0x4.5mm size, 0.65mm pitch (http://ww1.microchip.com/downloads/en/DeviceDoc/14L_VDFN_4_5x3_0mm_JHA_C041198A.pdf DE Package; 14-Lead Plastic Thin Shrink Small Outline http://www.vishay.com/docs/49633/sg2098.pdf SOP, 16 Pin (https://pdfserv.maximintegrated.com/package_dwgs/21-0140.PDF (T2855-4)), generated with kicad-footprint-generator JST XA series connector, 53780-0870 (), generated with kicad-footprint-generator Molex MicroClasp Wire-to-Board System, 55932-0430, 4 Pins (http://www.farnell.com/datasheets/2157639.pdf), generated with kicad-footprint-generator JST XH series connector, BM10B-ZESS-TBT (http://www.jst-mfg.com/product/pdf/eng/eZE.pdf), generated with kicad-footprint-generator Diode SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator JST PHD series connector, S8B-PH-K (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator Hirose FH12, FFC/FPC connector, AFC07-S24FCA-00, 24 Pins (http://www.molex.com/pdm_docs/sd/908140004_sd.pdf), generated with kicad-footprint-generator Molex Nano-Fit Power Connectors, 42820-32XX, With thermal vias in pads, 5 Pins per row (https://www.molex.com/pdm_docs/sd/430450201_sd.pdf), generated with kicad-footprint-generator Inductor SMD 1008 (2520 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 502426-2210, 22 Pins per row.

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