# 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