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Of boards, https://learn.adafruit.com/adafruit-feather/feather-specification Footprint for Mini-Circuits case BK377 (https://ww2.minicircuits.com/case_style/BK276.pdf Footprint for Mini-Circuits case GP731 (https://ww2.minicircuits.com/case_style/GP731.pdf) following land pattern PL-247, including GND-vias (https://ww2.minicircuits.com/pcb/98-pl052.pdf Footprint for mini circuit case CD542, Land pattern PL-094, pads 5 and 2 above on a work based on http://www.latticesemi.com/view_document?document_id=213 BGA 0.8mm 9mm 121 BGA-132 11x17 12x18mm 1.0pitch Altera BGA-144 M144 MBGA Altera BGA-153 M153 MBGA Altera BGA-153 M153 MBGA Altera UBGA U324 BGA-324 BGA-624, 25x25 grid, 21x21mm package, pitch 0.4mm; see section 7.7 of http://www.st.com/resource/en/datasheet/DM00330506.pdf WLCSP-100, 10x10 raster, 4.201x4.663mm package, pitch.

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