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hbr-mk2

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@rotron

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KiCad projectAll 56 files, ready to open in KiCad2.7 MB
For fabricationGerbers, drill, pick-and-place and BOMGerbers and drill zip439 KBGerbers and drill zip: hbr-mk2-af206 KBGerbers and drill zip: hbr-mk2-bfo114 KBGerbers and drill zip: hbr-mk2-bpfs323 KBGerbers and drill zip: hbr-mk2-digital238 KBGerbers and drill zip: hbr-mk2-lpfs267 KBGerbers and drill zip: hbr-mk2-pa170 KBGerbers and drill zip: hbr-mk2-placement56 KBGerbers and drill zip: hbr-mk2-power134 KBPick and place (CSV)20 KBPick and place (CSV): hbr-mk2-af7.4 KBPick and place (CSV): hbr-mk2-bfo3.1 KBPick and place (CSV): hbr-mk2-bpfs8.7 KBPick and place (CSV): hbr-mk2-digital8.7 KBPick and place (CSV): hbr-mk2-lpfs10 KBPick and place (CSV): hbr-mk2-pa4.8 KBPick and place (CSV): hbr-mk2-placement35 BPick and place (CSV): hbr-mk2-power3.3 KBBOM CSV55 KB
3D modelThe board with its parts, for an enclosure (GLB)3D model (GLB)16 MB3D model (GLB): hbr-mk2-af6.6 MB3D model (GLB): hbr-mk2-bpfs13 MB3D model (GLB): hbr-mk2-digital9.2 MB3D model (GLB): hbr-mk2-lpfs8.5 MB3D model (GLB): hbr-mk2-pa5.0 MB3D model (GLB): hbr-mk2-power3.3 MB
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README

HBR/MK2

All HF bands QRP CW/SSB transceiver "HomeBrew Radio, Mark 2".

  • Covers 80, 40, 30, 20, 17, 15, 12 and 10 meters
  • Classical single IF superheterodyne design
  • Effective IF derived AGC
  • Voice compression
  • Supports RIT and XIT
  • 10-30 WPM Elekey-B type keyer + straight key mode
  • Keyer supports record and playback, programmable with paddles
  • Five favorite frequencies per band (press NEXT/PREV in FAST mode)
  • Class AB amplifier provides 5-10W in both CW and SSB
  • Has a S-meter and a SWR meter
  • Open-source firmware, schematic and 3D-printable enclosure

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