Difference between revisions of "ER-VCF-02"
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| − | [[FILE:ER-VCF- | + | [[FILE:ER-VCF-02_f-b_720px.jpg]] |
== Features == | == Features == | ||
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* 3U tall | * 3U tall | ||
* 6 HP (30mm) wide | * 6 HP (30mm) wide | ||
| − | * Uses [[ER-PROTO-02]] | + | * Uses [[ER-PROTO-02]] controls cards |
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=== Credits === | === Credits === | ||
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* 3.5mm mono connector | * 3.5mm mono connector | ||
* Tip - signal | * Tip - signal | ||
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=== Analog Card Connectors === | === Analog Card Connectors === | ||
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==== J1 - Eurorack Power ==== | ==== J1 - Eurorack Power ==== | ||
| − | [[file:ER-VCF- | + | [[file:ER-VCF-02-DB_J1.PNG]] |
==== J2 - POT (from Controls card) ==== | ==== J2 - POT (from Controls card) ==== | ||
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[[file:ER-VCF-02-DB_J3.PNG]] | [[file:ER-VCF-02-DB_J3.PNG]] | ||
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| + | == Schematics == | ||
| + | |||
| + | [http://land-boards.com/ER-VCF-02/ER-VCF-02_REV1_Schematic.pdf ER-VCF-02 REV 1 Schematic] | ||
== Issues == | == Issues == | ||
=== Rev 1 === | === Rev 1 === | ||
| + | |||
| + | * No issues, working | ||
== Videos == | == Videos == | ||
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* Three card set | * Three card set | ||
| − | ** | + | ** Front Panel |
** [[ER-PROTO-02]] Controls card | ** [[ER-PROTO-02]] Controls card | ||
*** RV1, RV2, RV5, RV6 (No RV3, RV4) | *** RV1, RV2, RV5, RV6 (No RV3, RV4) | ||
| + | *** J3-J5 | ||
** Analog card | ** Analog card | ||
* [http://land-boards.com/ER-VCF-02/ER-VCF-02-DB_REV1_ibom.html ER-VCF-02 Rev 1 Interactive BOM] | * [http://land-boards.com/ER-VCF-02/ER-VCF-02-DB_REV1_ibom.html ER-VCF-02 Rev 1 Interactive BOM] | ||
| − | * [[ER-VCF- | + | * [[ER-VCF-02 Rev 1 Assembly Sheet]] |
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
