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Nathan Rashleigh 23e35b1a1e vco
2026-08-03 13:53:33 +10:00

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mki x es.edu VCO — Bill of Materials

Check kit contents against list. In box also: PCB, panel, power cable, assembly sockets.

Resistors

  • 1M — x2
  • 100k — x9
  • 68k — x2
  • 47k — x1
  • 33k — x1
  • 14k — x1
  • 1k5 — x1
  • 1k — x2
  • 10 — x2

Thermistors

  • 10k — x4

Capacitors

  • 47 µF (electrolytic) — x2
  • 1 µF (1J/film) — x1
  • 100 nF (104/ceramic) — x5
  • 2.2 nF (2n2/film) — x1

Diodes

  • 1N4148 (signal) — x1
  • SB140 (schottky, or e.g. 1N5818) — x2

Transistors

  • BC548 (NPN) — x1
  • BC558 (PNP) — x1

Trimmer Potentiometer

  • 1k (W102) — x1

Potentiometers

  • 100k (B104) — x3
  • 250k (B254) — x1
  • 1M (B105) — x1

Jack Sockets

  • Switched mono (black) — x5

Chips

  • TL074 (quad op amp) — x1
  • CD40106 (hex schmitt trigger inverter) — x1
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