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2.The process supports design scales of 300 devices or 1000 pads
3.Supports simple circuit simulation
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2.Smooth support for design sizes of over 5,000 devices or 10,000 pads
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STD VactrolLPF2
License: Public Domain
Mode: Editors' pick
- 2
Update time：
2021-01-31 12:50:43
Creation time：
2019-08-01 18:28:31
Description
hybrid sallen key LPF / MS20 LPF
2x LC0202 vactrol
LM324 2x CV summer, 1x 2 pole LPF, 1x output gain stage (pot?)
resonance 1 : non inverting gain 1x -> 3x
resonance 2 : MS20 style pot
diode / led limiters optional
audio in 1 & 2 (2 = divided)
CV summing (2x inverting amplifier)
cutoff pot 10k (+trim top / bottom)
CV in + mod depth pot
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | POWER_IN | POWER_IN | HDR1X3 | 1 |
| 2 | POWER_THRU | POWER_THRU | HDR1X3 | 1 |
| 3 | LCR-0202 | U1,U2 | DIP-12.8*7.5 | 2 |
| 4 | 1u | C1,C2 | RAD-0.1 | 2 |
| 5 | 1k | R1 | AXIAL-0.3 | 1 |
| 6 | -POTTRIM | U4,U5 | POTTRIM | 2 |
| 7 | 10k | CUTOFF,MOD | ALPS_POT_KIT_PJ | 2 |
| 8 | 100k | RESO1 | ALPS_POT_KIT_PJ | 1 |
| 9 | Header-Female-2.54_1x5 | H1 | HDR-5X1/2.54 | 1 |
| 10 | 100k | R2,R3,R6 | AXIAL-0.3 | 3 |
| 11 | 33k | R4,R5 | AXIAL-0.3 | 2 |
| 12 | LM324SNG | U8 | DIP-14_300MIL | 1 |
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