synth_tools

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History 1.0 2012-03-?? Initial release at https://www.thingiverse.com/thing:20513 . Based on designs from: Skull & Circuits (https://www.skullandcircuits.com/vca-1-2/ Moritz Klein (and derivatives Fix rail clearance issues, add PCB slot, more options for From 26b0f019558d72bf4224105820000ab74fd3a1b8 Mon Sep 17 00:00:00 2001 Subject: [PATCH] tracks the ratsnest and compactifies the power safety block and into any non-high-impedence connections; that is, fat traces to chip power, but not to front panel Added schmancy pcb for v2 front panel 82024e96c9 updated C14 footprint, traces, groundplane updated C14 footprint, traces, groundplane 2cbdb94ba9 updated C5 footprint & tracing; schematic annotation 6523065365 updates the potentiometer pads and trace routing to de-bodge the pots. Updates the potentiometer pads and thermal vias; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32l152zd.pdf WLCSP-64, 8x8 raster, 4.539x4.911mm package, pitch 0.4mm; see section 7.4 of http://www.st.com/resource/en/datasheet/stm32f091vb.pdf WLCSP-64, 8x8 raster, 3.623x3.651mm package, pitch 0.4mm; see section 7.4 of http://www.st.com/resource/en/datasheet/stm32l052t8.pdf WLCSP-36, 6x6 raster, 2.5x2.5mm package, pitch 0.8mm TFBGA-121, 11x11 raster, 10x10mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/DM00284211.pdf WLCSP-104, 9x12 raster, 4.095x5.094mm package, pitch 0.4mm; see section 6.2 of http://www.st.com/resource/en/datasheet/stm32f746zg.pdf TFBGA-265, 17x17 raster, 14x14mm package, pitch 0.4mm; https://www.latticesemi.com/view_document?document_id=213 UCBGA-49, 7x7 raster, 3.029x3.029mm package, pitch 0.4mm; http://ww1.microchip.com/downloads/en/devicedoc/atmel-8235-8-bit-avr-microcontroller-attiny20_datasheet.pdf#page=208 WLCSP-16, 1.409x1.409mm, 16 Ball, 4x4 Layout, 0.5mm Pitch, https://www.diodes.com/assets/Datasheets/AP22913.pdf WLCSP-4, 0.64x0.64mm.

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