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SMD SMT Miniature Crystal Clock Oscillator IQXO-70, http://www.iqdfrequencyproducts.com/products/details/iqxo-70-11-30.pdf, hand-soldering, 5.0x3.2mm^2 package Miniature Crystal Clock Oscillator TXCO Fordahl DFA S3-KS/LS/US, http://www.iqdfrequencyproducts.com/products/details/iqxo-70-11-30.pdf, 9.1x7.2mm^2 package Miniature Crystal Clock Oscillator (XO) (https://www.diodes.com/assets/Datasheets/FN_3-3V.pdf Oscillator Crystal SMD SMT SPST EVQP2 0 4 2 Button_Switch_SMD SW_SPST_EVQPE1 Light Touch Switch, https://industrial.panasonic.com/cdbs/www-data/pdf/ATK0000/ATK0000CE28.pdf 0 Light Touch Switch, http://industrial.panasonic.com/cdbs/www-data/pdf/ATK0000/ATK0000CE3.pdf SMD SMT SPST EVQPUK EVQPUB SMD SMT ceramic resonator filter DSS6 SMD Resomator/Filter Murata DSS6, http://cdn-reichelt.de/documents/datenblatt/B400/DSN6NC51H.pdf, length*width=7.0x2.5mm^2 package, package length=7.0mm, package width=2.5mm, 3 pins Ceramic Resomator/Filter 6.0x3.0mm^2, length*width=6.0x3.0mm^2 package, package length=5.5mm, package width=3.0mm, 3 pins UFQFPN 20-lead, 3 x switching (normalling) stereo jack without switching contact, vertical PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc5fbh-b B Series, 3 pole female XLR receptacle, grounding: without ground / shell contact, vertical PCB mount, https://www.neutrik.com/en/product/nl8md-v-1 speakON Chassis Connectors, 4 pole female XLR receptacle, grounding: separate ground contact connected to shell ground, but not to front panel to integer pseudo-origin, remove testing text, decrease title label font size to 9mm and align it precisely for repeatability Change transistor footprint to inline_wide, fix DRC ground plane on only one tl074 and support Kassutronic's KS-20 https://kassu2000.blogspot.com/2019/07/ks-20-filter.html ** uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on https://www.analog.com/media/en/technical-documentation/data-sheets/199399fc.pdf TO-92 2-pin leads in-line, narrow, oval pads, drill 0.75mm (see NXP sot054_po.pdf TO-92 leads in-line, wide, drill 0.75mm (see NXP sot054_po.pdf TO-92 leads molded, narrow, drill 0.75mm, handsoldering variant with enlarged pads (see https://www.diodes.com/assets/Package-Files/TO92L.pdf and http://www.ti.com/lit/an/snoa059/snoa059.pdf TO-92L Inline Wide transistor TO-92Mini package, drill 0.75mm (https://www.diodes.com/assets/Package-Files/TO92S%20(Type%20B).pdf TO-92S package, drill 0.75mm (https://www.diodes.com/assets/Package-Files/TO92S%20(Type%20B).pdf TO-92 leads molded, narrow, drill 0.75mm, hand-soldering variant with enlarged pads (see https://www.diodes.com/assets/Package-Files/TO92L.pdf and http://www.ti.com/lit/an/snoa059/snoa059.pdf TO-92L Inline Wide transistor TO-92Mini package, drill 0.75mm (see e.g. Https://www.ctscorp.com/wp-content/uploads/219.pdf), SMD, LowProfile SMD 10x-dip-switch SPST , Slide, row spacing 7.62 mm (300 mils), Socket 64-lead though-hole mounted DIP package, row spacing 11.48 mm (451 mils 24-lead though-hole mounted DIP package, row spacing 5.08 mm (200 mils), body size (see https://www.ctscorp.com/wp-content/uploads/194-195.pdf 10x-dip-switch SPST , Piano, row spacing 7.62 mm (300 mils), LongPads 28-lead though-hole mounted DIP package, row spacing 7.62 mm (300 mils), body size (see http://www.kingtek.net.cn/pic/201601201417455112.pdf SMD 9x-dip-switch SPST , Slide, row spacing 7.62 mm (300 mils), body size (see http://omronfs.omron.com/en_US/ecb/products/pdf/en-a6s.pdf SMD.

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