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BGA-144 M144 MBGA Altera BGA-153 M153 MBGA Altera BGA-153 M153 MBGA Altera VBGA V81 BGA-81 Altera BGA-100 M100 MBGA 121-ball, 0.8mm BGA (based on standard DIP-4), row spacing 7.62 mm (300 mils 14-lead though-hole mounted DIP package, row spacing 7.62 mm (300 mils 20-lead surface-mounted (SMD) DIP package, row spacing 7.62 mm (300 mils 12-lead though-hole mounted DIP package, row spacing 7.62 mm (300 mils), body size (see https://www.ctscorp.com/wp-content/uploads/194-195.pdf 4x-dip-switch SPST Omron_A6S-410x, Slide, row spacing 7.62 mm (300 mils), body size 6.7x21.88mm (see e.g. Https://www.ctscorp.com/wp-content/uploads/209-210.pdf), LowProfile 2x-dip-switch SPST , Slide, row spacing 6.73 mm (264 mils), body size (see http://omronfs.omron.com/en_US/ecb/products/pdf/en-a6s.pdf SMD 5x-dip-switch SPST KingTek_DSHP05TJ, Slide, row spacing 25.4 mm (1000 mils), LongPads 32-lead though-hole mounted DIP package, row spacing 7.62 mm (300 mils 12-lead surface-mounted (SMD) DIP package, row spacing 7.62 mm (300 mils), body size 10.8x21.88mm 8x-dip-switch SPST KingTek_DSHP08TJ, Slide, row spacing 10.16 mm (400 mils), LongPads 18-lead though-hole mounted DIP package, row spacing 11.48 mm (451 mils 24-lead surface-mounted (SMD) DIP package, row spacing 9.53 mm (375 mils), Clearance8mm 6-lead surface-mounted (SMD) DIP package, row spacing 15.24 mm (600 mils), LongPads THT DIP DIL PDIP 2.54mm 7.62mm 300mil PowerIntegrations variant of 8-Lead Plastic DFN (5.55mm x 5.2mm), Pin 5-8 connected to trigger, gate jack is normalized\nto +12 V, 10 mA -12 V ## Photos ### Photos ## Documentation: ### Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: make power connection traces larger; MK uses a CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Probably a.

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