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VactrolLPF2

3 weeks ago 12
  • Description
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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

Documents

Sheet_1

VactrolLPF2

BOM

ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Price LCSC Assembly Mounted BOM_Manufacturer Part BOM_Supplier BOM_Manufacturer BOM_Supplier Part
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 LCR-0202 LCSC Senba C82366
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 2.54mm 1*5p Female header LCSC BOOMELE C50950
10 100k R2,R3,R6 AXIAL-0.3 3
11 33k R4,R5 AXIAL-0.3 2
12 LM324SNG U8 DIP-14_300MIL 1 LM324SNG LCSC ON Semicon C184384

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