synth_tools

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The full dev board (in some cases) Arduino + DAC https://www.youtube.com/watch?v=t3kUPjdiq0o for explainer https://drive.google.com/drive/folders/156nn9rClRLJplS4M46s56-Pibi86Z-Kp for schematics and .ino file uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on EPCOS app note at http://www.cypress.com/file/140006/download DFN, 6 Pin (https://toshiba.semicon-storage.com/info/docget.jsp?did=11791&prodName=TLP185), generated with kicad-footprint-generator Mounting Hardware, inside through hole 3.3mm, height 2, Wuerth electronics 9771060360 (https://katalog.we-online.com/em/datasheet/9771060360.pdf), generated with kicad-footprint-generator Molex SPOX Connector System, 53048-0610, 6 Pins per row (http://www.molex.com/pdm_docs/sd/431605304_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-148-02-xx-DV-TE, 48 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 JST PH series connector, BM08B-GHS-TBT (http://www.jst-mfg.com/product/pdf/eng/eGH.pdf), generated with kicad-footprint-generator Molex Mini-Fit Jr. Power Connectors, 42819-42XX, 4 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 Connector Phoenix Contact connector footprint for: GMSTBA_2,5/8-G; number of pins: 05; pin pitch: 7.62mm; Angled; threaded flange; footprint includes mount hole for mounting screw: ISO 1481-ST 2.2x6.5 C or ISO 7049-ST 2.2x6.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1757491 12A || order number: 1776919 12A || order number: 1829170 12A 630V Generic Phoenix Contact connector footprint for: MC_1,5/11-G-3.5; number of pins: 04; pin pitch: 7.62mm; Vertical; threaded flange || order number: 1836312 8A 320V Generic Phoenix Contact SPT 1.5/4-H-3.5 Terminal Block, 1990999 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1990999), generated with kicad-footprint-generator Mounting Hardware, inside through hole THT Omron Relay SPDT, http://www3.panasonic.biz/ac/e_download/control/relay/power/catalog/mech_eng_jw.pdf?via=ok Relay SPST 10mm 24mm, https://www.panasonic-electric-works.com/pew/es/downloads/ds_dw_hl_en.pdf AXICOM IM-Series Relay DPDR Pitch 3.2mm AXICOM IM-Series Relay DPDR Pitch 5.08 IM Signal Relay SPDT Finder 40.11 Relay DPDT Schrack-RT2 RM5mm 16A 250V AC Relay Relay SPST Schrack-RT1 RM5mm 16A 250V AC Form C http://image.schrack.com/datenblaetter/h_rp810012-b.pdf Relay SPST Schrack-RP-II/1 RM3.5mm 8A 250V AC Relay Relay SPST Potter&Brumfield T9AP1D52 12V 30A 1xUm Connector Fast ON Flachsteckeranschluss Only Dummy for Space NO Pads Relau SPST Potter&Brumfield T9AP1D52 12V 30A 1xUn Connector Fast ON Only Dummy for Space NO Pads Relay RAYEX L90S SPDT relay Sanyou SRD series Form A (NO), SPST http://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Data+Sheet%7FPCH_series_relay_data_sheet_E%7F1215%7Fpdf%7FEnglish%7FENG_DS_PCH_series_relay_data_sheet_E_1215.pdf Relay socket DPDT Finder 40.51, Pitch 5mm/7.5mm, https://www.finder-relais.net/de/finder-relais-serie-40.pdf Relay SPDT Omron Serie G5Q, http://omronfs.omron.com/en_US/ecb/products/pdf/en-g5q.pdf Relay SPST-NO Omron Serie G5Q Relay Omron G6S-2, see http://omronfs.omron.com/en_US/ecb/products/pdf/en-g6s.pdf Fujitsh FTR B3S B3SA Relay J JLeg AXICOM HF3-Series Relay Pitch 1.27mm Slug Down Thermal Vias (PowerSO-36) [JEDEC MO-166] (http://www.st.com/resource/en/datasheet/tda7266d.pdf, www.st.com/resource/en/application_note/cd00003801.pdf HSOP 11.0 x 15.9mm Pitch 1.27mm 75ohm Relay, 1-Form-A, Schrack-RYII, RM5mm, SPST-NO Relay 1-Form-A Schrack-RYII RM5mm SPST-NC Relay, 1-Form-C, Schrack-RYII, RM3.2mm, SPDT Relay RAYEX L90AS SPST NO Relay RAYEX L90AS SPST NO Relay RAYEX L90BS SPST NC Relay RAYEX L90A.

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