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PB401 VC Echo
The echo and delay module based on the digital delay chip PT2399. The echo could be changed with a poti, the delay with CV (0 to 5V) or with a poti.
The board was developed by Wolfgang Spahn with help and frindly suppirt of his intern Ioana Vreme Moser.
Hardware
Schematic
Paper-PCB
Parts
- Resistors:
- 1x 1 kOhm
- 1x 4,7 kOhm
- 1x 5,6 kOhm
- 5x 10 kOhm
- 2x 15 kOhm
- 1x 18 kOhm
- 1x 20 kOhm
- 1x 100 kOhm
- Capacitors:
- 2x 560 pF (foil)
- 1x 3300 pF (foil)
- 1x 3900 pF (foil)
- 1x 10 nF (foil)
- 1x 39 nF (Foil)
- 5x 100 nF (foil)
- Electrolytic Capacitors:
- 2x 4,7 µF
- 1x 10 µF
- 1x 47 µF
- Semiconductors:
- digital delay PT 2399
- optocoupler H11F1
- Mechanical:
- 1x IC socket, 16 pin
- 1x IC socket, 6 pin
- 1x pin strip 1×9
- 2x pin header, female 90° 1×3, 1×2
- 2x pin header, male 90° 1×3, 1×2
- 3x jumpers
- Potentiometers:
- 1x 10k
- 1x 50k
License
The PB401 VC Echo was designed by Wolfgang Spahn, 2017-20.
It is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
