Labels Milestones
BackCrystal Qantek QC5CB, https://www.qantek.com/tl_files/products/crystals/QC5CB.pdf crystal Epson Toyocom FA-238 series http://www.mouser.com/ds/2/137/1721499-465440.pdf, hand-soldering, 3.2x2.5mm^2 package SMD Crystal MicroCrystal CC7V-T1A/CM7V-T1A series https://www.microcrystal.com/fileadmin/Media/Products/32kHz/Datasheet/CC7V-T1A.pdf, 3.2x1.5mm^2 package SMD Crystal HC-49-SD http://cdn-reichelt.de/documents/datenblatt/B400/xxx-HC49-SMD.pdf, hand-soldering, 11.4x4.7mm^2 package SMD Crystal Seiko Epson SG-8002JA https://support.epson.biz/td/api/doc_check.php?mode=dl⟨=en&Parts=SG-8002DC, hand-soldering, 3.2x2.5mm^2 package.
- ** https://note.com/solder_state/n/nde97a0516f03 and https://www.youtube.com/watch?v=op_DhPr2goc .
- Amplifiers Two CV inputs for each.