Difference between revisions of "ER-VCF-02"
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== Features == | == Features == | ||
Latest revision as of 21:10, 31 May 2023
Contents
Features
- This is a diode ladder VCF - original design by Moritz Klein, with a couple of small adaptions made by T Killa
- There are two CV inputs
- CV1 with an attenuator to control the amount
- CV2 with an attenuverter so it's possible to invert the signal as well as controlling the amount of modulation
- The filter is a low-pass filter only
- 3U tall
- 6 HP (30mm) wide
- Uses ER-PROTO-02 controls cards
Credits
Pots/Connectors
Front Panel Pots
- POT RV1 - CV1 Attenuator adjustment
- POT RV2 - CV2 Attenuaverter adjustment
- POT RV3 - Not used
- POT RV4 - Not used
- POT RV5 - Resonance adjustment
- POT RV6 - Cutoff Frequency adjustment
POT RV1 - CV1 Attenuator adjustment
POT RV2 - CV2 Attenuaverter adjustment
POT RV5 - Resonance adjustment
POT RV6 - Cutoff Frequency adjustment
Front Panel External Connectors
- J3 - Audio In
- J4 - CV Amount
- J5 - Attenuaverter input
- J6 - Audio Out
J3 - Audio In
- 3.5mm mono connector
- Tip - signal
J4 - CV Amount
- 3.5mm mono connector
- Tip - signal
J5 - Attenuaverter input
- 3.5mm mono connector
- Tip - signal
J6 - Audio Out
- 3.5mm mono connector
- Tip - signal
Analog Card Connectors
J1 - Eurorack Power
J2 - POT (from Controls card)
J3 - Jacks (to/from Controls card)
Schematics
Issues
Rev 1
- No issues, working
Videos
- Design base on Low Pass only version of Moritz Klein's design
- Not Voltage controlled, but interesting
- Chapter 11.7 of Op Amps Textbook
Assembly Sheet
- Three card set
- Front Panel
- ER-PROTO-02 Controls card
- RV1, RV2, RV5, RV6 (No RV3, RV4)
- J3-J5
- Analog card
