Difference between revisions of "ER-ADSR-555-01"
Jump to navigation
Jump to search
Blwikiadmin (talk | contribs) |
Blwikiadmin (talk | contribs) |
||
| Line 24: | Line 24: | ||
** GATE Out output | ** GATE Out output | ||
** At slowest speed, ~2Hz | ** At slowest speed, ~2Hz | ||
| + | * My schematic symbols are Schottky but installed 1N4148 like schmitzbits schemati | ||
* Using 1 M linear pots instead of 2.2M log pots | * Using 1 M linear pots instead of 2.2M log pots | ||
** A, D, r pots should have been log pots | ** A, D, r pots should have been log pots | ||
| Line 30: | Line 31: | ||
* ADR series resistors are 220 Ohms but should be 100 Ohms per schmitzbits note | * ADR series resistors are 220 Ohms but should be 100 Ohms per schmitzbits note | ||
* C3 is 4.7 uF | * C3 is 4.7 uF | ||
| − | * Does not have 1M that is dashed line on schmitzbits | + | * Does not have 1M that is dashed line on schmitzbits schemati |
* ADSR controls | * ADSR controls | ||
** A pot full CW | ** A pot full CW | ||
Revision as of 11:21, 5 November 2022
Contents
Eurorack ADSR Module
Features
- Attack-DeCay-Sustain-Release Eurorack ADSR Module
- Takes in Gate signal, generates CV to VCA
- Attack, decay, and release pots control speed
- Attack, decay, and release times can range from 200ms to 16s
- Sustain pot sets the sustain voltage level
- LED dims to level
- 3U tall, 6 HP wide
- 555 Based design
- Benjie Jiao MiniADSR
- Original was based on Barry Klein design
- As built by schmitzbits design - "The Fastest Envelope in the West"
- Benji's build has a three card stack-up and is 4 HP wide
- This card is wider but uses 2 cards
Rev 1 Checkout
- Drive with Erica Synths EDU Sequencer
- GATE Out output
- At slowest speed, ~2Hz
- My schematic symbols are Schottky but installed 1N4148 like schmitzbits schemati
- Using 1 M linear pots instead of 2.2M log pots
- A, D, r pots should have been log pots
- Controls are are "touchy"
- Sustain pot is linear as it should be and "works" but is backwards
- ADR series resistors are 220 Ohms but should be 100 Ohms per schmitzbits note
- C3 is 4.7 uF
- Does not have 1M that is dashed line on schmitzbits schemati
- ADSR controls
- A pot full CW
- D pot full CW
- S Pot mid
- R pot full CW
- Back off Attack just a tiny bit from CCW
- Rounds over the attack like it should but it is very "touchy"
Benjie Jiao - DIY Modular Video
Issues
Rev 1 Issues
- Silkscreen has "DELAY" should be "DECAY"
