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Add 55k-ish resistor to coarse knob to fix tuning range Add 55k-ish resistor to coarse knob (doublecheck this placement). Actual value unclear (see below).

Argument for a single 2.5 mm² wires, basic insulation, conductor diameter 2.4mm, see http://www.4uconnector.com/online/object/4udrawing/20193.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_MetzConnect THT terminal block RND 205-00058 45Degree pitch 10mm Varistor, diameter 15.5mm, width 8mm, pitch 7.5mm Varistor, diameter 15.5mm, width 11mm, pitch 7.5mm size 17.3x14mm^2 drill 1.15mm pad 3mm Terminal Block Phoenix MKDS-1,5-5, 5 pins, pitch 5mm, size 25x8.3mm^2, drill diamater 1.3mm, pad diameter 3mm, see http://www.metz-connect.com/de/system/files/METZ_CONNECT_U_Contact_Katalog_Anschlusssysteme_fuer_Leiterplatten_DE_31_07_2017_OFF_024803.pdf?language=en page 132, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_Phoenix THT Terminal Block Phoenix PT-1,5-4-5.0-H, 4 pins, pitch 3.5mm, size 17.5x7.6mm^2, drill diamater 1.2mm, pad diameter 3mm, size source Multi-Contact FLEXI-xV 1.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator ipc_noLead_generator.py WQFN, 16 Pin (https://pdfserv.maximintegrated.com/package_dwgs/21-0136.PDF (T1633-5), https://pdfserv.maximintegrated.com/land_patterns/90-0032.PDF), generated with kicad-footprint-generator Molex MicroClasp Wire-to-Board System, 55932-0230, 2 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 CLIK-Mate series connector, SM11B-SRSS-TB (http://www.jst-mfg.com/product/pdf/eng/eSH.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-108-02-xxx-DV-BE-LC, 8 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-thru.pdf), generated with kicad-footprint-generator Molex Mini-Fit Sr. Power Connectors, old mpn/engineering number: 5569-08A2, example for new mpn: 39-30-0100, 5 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-thru.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 502426-6410, 64 Pins (http://www.molex.com/pdm_docs/sd/5024301410_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py DFN8 2x2, 0.5P; CASE 506CM (see ON Semiconductor 122BX.PDF 32-Lead Plastic Thin Quad Flatpack (PF) - 14x14x1 mm Body, 2.00 mm Footprint [TQFP] (see Microchip Packaging Specification 00000049BS.pdf SSOP28: plastic shrink small outline package; 28 leads; body width 3.9 mm; lead pitch 0.635; (see http://cds.linear.com/docs/en/datasheet/38901fb.pdf 28-Lead Plastic Shrink Small Outline No-Lead 8-Lead Plastic Dual Flat, No Lead Package (8E) - 4x4x0.9 mm Body [DFN] (see Microchip Packaging Specification 00000049BS.pdf, http://www.onsemi.com/pub/Collateral/NCP1207B.PDF 8-Lead Plastic DFN (2mm x 2mm), http://ams.com/eng/content/download/950231/2267959/483138 DD Package; 12-Lead Plastic DFN (3mm x 2mm) (see Linear Technology DFN_12_05-08-1695.pdf DF Package; 12-Lead Plastic Micro Small Outline (SSO/Stretched SO), see https://docs.broadcom.com/cs/Satellite?blobcol=urldata&blobheader=application%2Fpdf&blobheadername1=Content-Disposition&blobheadername2=Content-Type&blobheadername3=MDT-Type&blobheadervalue1=attachment%3Bfilename%3DIPD-Selection-Guide_AV00-0254EN_030617.pdf&blobheadervalue2=application%2Fx-download&blobheadervalue3=abinary%253B%2Bcharset%253DUTF-8&blobkey=id&blobnocache=true&blobtable=MungoBlobs&blobwhere=1430884105675&ssbinary=true SSO Stretched SO SOIC Pitch 2.54 SSO Stretched SO SOIC 2.54 8-Lead Plastic DFN (5mm x 4mm) (see Linear Technology 05081733_A_DF12.pdf DFN12, 4x4, 0.65P; CASE 506CE (see ON Semiconductor 932BH.PDF TQFP, 64 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-2549-8-bit-AVR-Microcontroller-ATmega640-1280-1281-2560-2561_datasheet.pdf (page 415)), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-143-02-xx-DV-TE, 43 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 Mini-Fit Jr. Power.

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