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Added AMP Balance trimmer to VCA #27

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Added AMP Balance trimmer to VCA #27

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cd596d7
Added AMP Balance trimmer to VCA
peterzimon May 13, 2026
423596c
Added 100k to GND on output opamp input
peterzimon May 15, 2026
f39125a
Removed comment in Outputs schemo
peterzimon May 15, 2026
6e43455
KiCAD meta
peterzimon May 19, 2026
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43,254 changes: 22,228 additions & 21,026 deletions modules/05-adsr-vca/electronics/core/adsr-vca-core.kicad_pcb
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2 changes: 1 addition & 1 deletion modules/05-adsr-vca/electronics/core/adsr-vca-core.kicad_prl
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
{
"board": {
"active_layer": 5,
"active_layer": 0,
"active_layer_preset": "",
"auto_track_width": true,
"hidden_netclasses": [],
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2 changes: 1 addition & 1 deletion modules/05-adsr-vca/electronics/core/adsr-vca-core.kicad_pro
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Expand Up @@ -275,7 +275,7 @@
"internal_id": "",
"mfg": "",
"mpn": "",
"sch_revision": "4"
"sch_revision": "5"
},
"layer_pairs": [],
"layer_presets": [],
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2 changes: 1 addition & 1 deletion modules/05-adsr-vca/electronics/core/adsr-vca-core.kicad_sch
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Expand Up @@ -7,7 +7,7 @@
(title_block
(title "ADSR + VCA")
(date "2026-05-13")
(rev "4")
(rev "5")
(company "Shmøergh")
)
(lib_symbols
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2 changes: 1 addition & 1 deletion modules/05-adsr-vca/electronics/core/bom/ibom.html
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Binary file modified modules/05-adsr-vca/electronics/core/production/adsr-vca-core.zip
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1 change: 1 addition & 0 deletions modules/05-adsr-vca/electronics/core/production/bom.csv
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ C4,CP_Elec_5x5.4,1,10u,C30110
J4,PinSocket_1x06_P2.54mm_Vertical,1,Conn_01x06,
J6,PinHeader_1x02_P2.54mm_Vertical,1,Conn_01x02,
J7,IDC-Header_2x05_P2.54mm_Horizontal,1,Conn_02x05_Odd_Even,
JP1,SolderJumper-2_P1.3mm_Bridged2Bar_RoundedPad1.0x1.5mm,1,Jumper_2_Bridged,
Q1,SOT-23,1,BC857,C20069137
Q3,SOT-363_SC-70-6,1,BC847BS,C5380687
R1,0603,1,22k,C31850
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2 changes: 2 additions & 0 deletions modules/05-adsr-vca/electronics/core/production/designators.csv
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Expand Up @@ -25,6 +25,7 @@ J5:1
J6:1
J7:1
J8:1
JP1:1
Q1:1
Q3:1
R1:1
Expand Down Expand Up @@ -55,6 +56,7 @@ R7:1
R8:1
R9:1
REF**:3
RV_AMP_BALANCE1:1
RV_COMP1:1
RV_OUT_GAIN1:1
RV_VCA_BIAS1:1
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62 changes: 33 additions & 29 deletions modules/05-adsr-vca/electronics/core/production/netlist.ipc
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Original file line number Diff line number Diff line change
@@ -1,6 +1,20 @@
P CODE 00
P UNITS CUST 0
P arrayDim N
317NET-(U2B--) VIA MD0157PA00X+067660Y-033882X0315Y0000R000S3
317NET-(JP1-B) VIA MD0157PA00X+068176Y-034512X0315Y0000R000S3
317NET-(JP1-B) VIA MD0157PA00X+066992Y-034459X0315Y0000R000S3
317NET-(JP1-B) VIA MD0157PA00X+061769Y-033973X0315Y0000R000S3
317NET-(JP1-B) VIA MD0157PA00X+064769Y-034667X0315Y0000R000S3
317NET-(JP1-B) VIA MD0157PA00X+060506Y-035186X0315Y0000R000S3
317NET-(JP1-B) VIA MD0157PA00X+063819Y-034573X0315Y0000R000S3
317NET-(U2B--) VIA MD0157PA00X+058393Y-032449X0315Y0000R000S3
317NET-(U2B--) VIA MD0157PA00X+066728Y-034114X0315Y0000R000S3
317NET-(U2B--) VIA MD0157PA00X+061269Y-032123X0315Y0000R000S3
317NET-(U2B--) VIA MD0157PA00X+064769Y-034273X0315Y0000R000S3
317NET-(U2B--) VIA MD0157PA00X+063845Y-034098X0315Y0000R000S3
317GND VIA MD0157PA00X+070919Y-034646X0315Y0000R000S3
317GND VIA MD0157PA00X+070069Y-034646X0315Y0000R000S3
317-12V VIA MD0295PA00X+066119Y-027323X0500Y0000R000S3
317-12V VIA MD0295PA00X+065119Y-026356X0500Y0000R000S3
317NET-(Q3A-C1) VIA MD0157PA00X+055734Y-033708X0315Y0000R000S3
Expand Down Expand Up @@ -40,11 +54,8 @@ P arrayDim N
317GND VIA MD0157PA00X+064567Y-042520X0315Y0000R000S3
317GND VIA MD0157PA00X+057087Y-017717X0315Y0000R000S3
317GND VIA MD0157PA00X+053543Y-020472X0315Y0000R000S3
317GND VIA MD0157PA00X+052756Y-041732X0315Y0000R000S3
317GND VIA MD0157PA00X+057948Y-028213X0315Y0000R000S3
317GND VIA MD0157PA00X+070866Y-037008X0315Y0000R000S3
317GND VIA MD0157PA00X+063780Y-037008X0315Y0000R000S3
317GND VIA MD0157PA00X+070079Y-037008X0315Y0000R000S3
317GND VIA MD0157PA00X+050787Y-022441X0315Y0000R000S3
317GND VIA MD0157PA00X+068504Y-037008X0315Y0000R000S3
317GND VIA MD0157PA00X+057082Y-040316X0315Y0000R000S3
Expand Down Expand Up @@ -79,7 +90,6 @@ P arrayDim N
317GND VIA MD0157PA00X+062598Y-034252X0315Y0000R000S3
317GND VIA MD0157PA00X+066929Y-039764X0315Y0000R000S3
317GND VIA MD0157PA00X+066142Y-040551X0315Y0000R000S3
317GND VIA MD0157PA00X+070866Y-037795X0315Y0000R000S3
317GND VIA MD0157PA00X+065354Y-033071X0315Y0000R000S3
317GND VIA MD0157PA00X+068110Y-017717X0315Y0000R000S3
317GND VIA MD0157PA00X+055118Y-022047X0315Y0000R000S3
Expand Down Expand Up @@ -132,7 +142,6 @@ P arrayDim N
317GND VIA MD0157PA00X+066535Y-026772X0315Y0000R000S3
317GND VIA MD0295PA00X+063519Y-023973X0500Y0000R000S3
317GND VIA MD0157PA00X+066142Y-036614X0315Y0000R000S3
317GND VIA MD0157PA00X+051969Y-041732X0315Y0000R000S3
317GND VIA MD0157PA00X+063780Y-042520X0315Y0000R000S3
317GND VIA MD0157PA00X+060236Y-018473X0315Y0000R000S3
317GND VIA MD0157PA00X+069291Y-040157X0315Y0000R000S3
Expand Down Expand Up @@ -177,27 +186,22 @@ P arrayDim N
317GND VIA MD0157PA00X+066929Y-035827X0315Y0000R000S3
317GND VIA MD0157PA00X+066142Y-033858X0315Y0000R000S3
317GND VIA MD0157PA00X+065748Y-021260X0315Y0000R000S3
317GND VIA MD0157PA00X+056264Y-033213X0315Y0000R000S3
317GND VIA MD0157PA00X+069685Y-022047X0315Y0000R000S3
317GND VIA MD0157PA00X+066142Y-032283X0315Y0000R000S3
317GND VIA MD0157PA00X+067323Y-021260X0315Y0000R000S3
317GND VIA MD0157PA00X+050000Y-020866X0315Y0000R000S3
317GND VIA MD0157PA00X+061322Y-029672X0315Y0000R000S3
317GND VIA MD0157PA00X+061811Y-033465X0315Y0000R000S3
317GND VIA MD0157PA00X+065354Y-037402X0315Y0000R000S3
317GND VIA MD0157PA00X+061294Y-031656X0315Y0000R000S3
317GND VIA MD0157PA00X+053543Y-039370X0315Y0000R000S3
317GND VIA MD0157PA00X+050000Y-020079X0315Y0000R000S3
317GND VIA MD0157PA00X+051969Y-040945X0315Y0000R000S3
317GND VIA MD0157PA00X+065748Y-020472X0315Y0000R000S3
317GND VIA MD0157PA00X+069291Y-037008X0315Y0000R000S3
317GND VIA MD0157PA00X+067323Y-019685X0315Y0000R000S3
317GND VIA MD0157PA00X+058661Y-018473X0315Y0000R000S3
317GND VIA MD0157PA00X+064961Y-029528X0315Y0000R000S3
317GND VIA MD0157PA00X+058369Y-020873X0315Y0000R000S3
317GND VIA MD0157PA00X+068504Y-039370X0315Y0000R000S3
317GND VIA MD0157PA00X+066929Y-037402X0315Y0000R000S3
317GND VIA MD0157PA00X+070079Y-037795X0315Y0000R000S3
317GND VIA MD0157PA00X+051181Y-040157X0315Y0000R000S3
317GND VIA MD0157PA00X+060063Y-029813X0315Y0000R000S3
317GND VIA MD0157PA00X+062598Y-041339X0315Y0000R000S3
Expand Down Expand Up @@ -234,12 +238,10 @@ P arrayDim N
317GND VIA MD0157PA00X+066929Y-042520X0315Y0000R000S3
317GND VIA MD0157PA00X+070472Y-021260X0315Y0000R000S3
317GND VIA MD0157PA00X+066325Y-017694X0315Y0000R000S3
317GND VIA MD0157PA00X+065354Y-034646X0315Y0000R000S3
317GND VIA MD0157PA00X+065354Y-042520X0315Y0000R000S3
317GND VIA MD0157PA00X+060381Y-036247X0315Y0000R000S3
317GND VIA MD0157PA00X+055906Y-026378X0315Y0000R000S3
317GND VIA MD0157PA00X+065354Y-038189X0315Y0000R000S3
317GND VIA MD0157PA00X+068504Y-034646X0315Y0000R000S3
317GND VIA MD0157PA00X+059449Y-018473X0315Y0000R000S3
317GND VIA MD0157PA00X+064173Y-025197X0315Y0000R000S3
317GND VIA MD0157PA00X+070079Y-040157X0315Y0000R000S3
Expand All @@ -263,7 +265,6 @@ P arrayDim N
317GND VIA MD0157PA00X+053543Y-040945X0315Y0000R000S3
317GND VIA MD0157PA00X+064961Y-027953X0315Y0000R000S3
317GND VIA MD0157PA00X+054419Y-035023X0315Y0000R000S3
317GND VIA MD0157PA00X+052756Y-040945X0315Y0000R000S3
317GND VIA MD0157PA00X+055906Y-025591X0315Y0000R000S3
317GND VIA MD0157PA00X+056299Y-027165X0315Y0000R000S3
317GND VIA MD0295PA00X+067119Y-035123X0500Y0000R000S3
Expand All @@ -272,7 +273,6 @@ P arrayDim N
317GND VIA MD0157PA00X+067323Y-033071X0315Y0000R000S3
317GND VIA MD0157PA00X+053543Y-037795X0315Y0000R000S3
317GND VIA MD0157PA00X+071260Y-024409X0315Y0000R000S3
317GND VIA MD0157PA00X+066142Y-034646X0315Y0000R000S3
317GND VIA MD0157PA00X+064567Y-041339X0315Y0000R000S3
317GND VIA MD0157PA00X+058869Y-036823X0315Y0000R000S3
317GND VIA MD0157PA00X+061024Y-041339X0315Y0000R000S3
Expand Down Expand Up @@ -331,7 +331,6 @@ P arrayDim N
317GND VIA MD0157PA00X+051181Y-021654X0315Y0000R000S3
317GND VIA MD0157PA00X+051869Y-024873X0315Y0000R000S3
317GND VIA MD0157PA00X+053150Y-025197X0315Y0000R000S3
317GND VIA MD0157PA00X+069291Y-036220X0315Y0000R000S3
317GND VIA MD0157PA00X+059875Y-035804X0315Y0000R000S3
317GND VIA MD0157PA00X+071260Y-022835X0315Y0000R000S3
317GND VIA MD0157PA00X+066142Y-029921X0315Y0000R000S3
Expand Down Expand Up @@ -379,12 +378,11 @@ P arrayDim N
317NET-(R24-PAD2) VIA MD0157PA00X+060869Y-023173X0315Y0000R000S3
317NET-(U1B--) VIA MD0157PA00X+053294Y-030431X0315Y0000R000S3
317NET-(U1B--) VIA MD0157PA00X+055769Y-031256X0315Y0000R000S3
327NET-(Q3A-E1) Q3 -1 A01X+054013Y-036275X0256Y0157R270S2
327NET-(Q3A-B1) Q3 -2 A01X+054269Y-036275X0256Y0157R270S2
327NET-(Q3B-C2) Q3 -3 A01X+054525Y-036275X0256Y0157R270S2
327NET-(Q3A-E1) Q3 -4 A01X+054525Y-035527X0256Y0157R270S2
327GND Q3 -5 A01X+054269Y-035527X0256Y0157R270S2
327NET-(Q3A-C1) Q3 -6 A01X+054013Y-035527X0256Y0157R270S2
317NET-(JP1-B) RV_AMP-1 D0354PA00X+070369Y-037857X0638Y0000R180S0
317NET-(U2B--) RV_AMP-2 D0354PA00X+069385Y-036873X0638Y0000R180S0
317NET-(U2B--) RV_AMP-3 D0354PA00X+070369Y-035889X0638Y0000R180S0
327NET-(JP1-A) JP1 -1 A01X+057169Y-033017X0394Y0197R090S2
327NET-(JP1-B) JP1 -2 A01X+057169Y-033529X0394Y0197R090S2
327NET-(D5-K) D5 -1 A01X+062056Y-026356X0236Y0177R000S2
327-12V D5 -2 A01X+062882Y-026356X0236Y0177R000S2
327NET-(Q3A-C1) R22 -1 A01X+059344Y-032324X0315Y0374R000S2
Expand Down Expand Up @@ -431,6 +429,12 @@ P arrayDim N
327NET-(U2B-+) R27 -2 A01X+059341Y-033574X0315Y0374R090S2
327GND R13 -1 A01X+056894Y-030131X0315Y0374R000S2
327NET-(U1D-+) R13 -2 A01X+057544Y-030131X0315Y0374R000S2
327NET-(Q3A-E1) Q3 -1 A01X+054013Y-036275X0256Y0157R270S2
327NET-(Q3A-B1) Q3 -2 A01X+054269Y-036275X0256Y0157R270S2
327NET-(Q3B-C2) Q3 -3 A01X+054525Y-036275X0256Y0157R270S2
327NET-(Q3A-E1) Q3 -4 A01X+054525Y-035527X0256Y0157R270S2
327GND Q3 -5 A01X+054269Y-035527X0256Y0157R270S2
327NET-(Q3A-C1) Q3 -6 A01X+054013Y-035527X0256Y0157R270S2
317N/C H2 -1 D1260PA00X+070354Y-041614X2205Y0000R000S0
327SUSTAIN_3 R11 -1 A01X+055944Y-020823X0315Y0374R000S2
327+12V R11 -2 A01X+056594Y-020823X0315Y0374R000S2
Expand Down Expand Up @@ -465,11 +469,11 @@ P arrayDim N
317DECAY_1 J8 -5 D0394PA00X+050591Y-038811X0669Y0000R000S0
317A1_D3_R3 J8 -6 D0394PA00X+051591Y-038811X0669Y0000R000S0
327VCA_OUT R15 -1 A01X+060069Y-034548X0315Y0374R090S2
327NET-(C8-PAD2) R15 -2 A01X+060069Y-035198X0315Y0374R090S2
327NET-(JP1-B) R15 -2 A01X+060069Y-035198X0315Y0374R090S2
327ATTACK_3 D1 -1 A01X+052619Y-032473X0354Y0472R180S2
327NET-(D1-A) D1 -2 A01X+051319Y-032473X0354Y0472R180S2
317GND J6 -1 D0394PA00X+070569Y-035173X0669Y0669R000S0
317GND J6 -2 D0394PA00X+070569Y-036173X0669Y0000R000S0
317GND J6 -1 D0394PA00X+052319Y-040771X0669Y0669R000S0
317GND J6 -2 D0394PA00X+052319Y-041771X0669Y0000R000S0
327A1_D3_R3 C4 -1 A01X+051719Y-022540X1181Y0630R090S2
327GND C4 -2 A01X+051719Y-024272X1181Y0630R090S2
327NET-(D1-A) R9 -1 A01X+052519Y-031681X0315Y0374R000S2
Expand Down Expand Up @@ -500,21 +504,21 @@ P arrayDim N
317NET-(D4-A) J7 -9 D0394PA00X+062057Y-031559X0669Y0000R000S0
317NET-(D4-A) J7 -10 D0394PA00X+063057Y-031559X0669Y0000R000S0
327NET-(U2B--) C8 -1 A01X+058669Y-033549X0423Y0374R180S2
327NET-(C8-PAD2) C8 -2 A01X+057990Y-033549X0423Y0374R180S2
327NET-(JP1-B) C8 -2 A01X+057990Y-033549X0423Y0374R180S2
327NET-(C7-PAD2) U2 -1 A01X+057869Y-036424X0768Y0236R270S2
327VCA_CV U2 -2 A01X+058369Y-036424X0768Y0236R270S2
327GND U2 -3 A01X+058869Y-036424X0768Y0236R270S2
327-12V U2 -4 A01X+059369Y-036424X0768Y0236R270S2
327NET-(U2B-+) U2 -5 A01X+059369Y-034475X0768Y0236R270S2
327NET-(U2B--) U2 -6 A01X+058869Y-034475X0768Y0236R270S2
327NET-(C8-PAD2) U2 -7 A01X+058369Y-034475X0768Y0236R270S2
327NET-(JP1-B) U2 -7 A01X+058369Y-034475X0768Y0236R270S2
327+12V U2 -8 A01X+057869Y-034475X0768Y0236R270S2
327NET-(Q3B-C2) R24 -1 A01X+060669Y-033573X0315Y0374R270S2
327NET-(R24-PAD2) R24 -2 A01X+060669Y-032924X0315Y0374R270S2
327NET-(C3-PAD1) C3 -1 A01X+051239Y-031031X0354Y0374R000S2
327NET-(U1B-+) C3 -2 A01X+051849Y-031031X0354Y0374R000S2
327NET-(Q3A-C1) R25 -1 A01X+057269Y-033524X0315Y0374R270S2
327NET-(U2B--) R25 -2 A01X+057269Y-032875X0315Y0374R270S2
327NET-(Q3A-C1) R25 -1 A01X+056269Y-033548X0315Y0374R270S2
327NET-(U2B--) R25 -2 A01X+056269Y-032898X0315Y0374R270S2
327NET-(Q1-B) R8 -1 A01X+051169Y-027331X0315Y0374R000S2
327NET-(C3-PAD1) R8 -2 A01X+051819Y-027331X0315Y0374R000S2
317N/C H3 -1 D1260PA00X+050118Y-041614X2205Y0000R000S0
Expand All @@ -535,7 +539,7 @@ P arrayDim N
327NET-(U1D--) U1 -13 A01X+055918Y-028281X0768Y0236R000S2
327NET-(D3-A) U1 -14 A01X+055918Y-027781X0768Y0236R000S2
327NET-(U2B--) R28 -1 A01X+058644Y-032899X0315Y0374R180S2
327NET-(C8-PAD2) R28 -2 A01X+057994Y-032899X0315Y0374R180S2
327NET-(JP1-A) R28 -2 A01X+057994Y-032899X0315Y0374R180S2
367N/C REF** D0454UA00X+071019Y-039423X0454Y0000R000S0
327VCA_IN R18 -1 A01X+061894Y-039073X0315Y0374R180S2
327NET-(Q3A-B1) R18 -2 A01X+061244Y-039073X0315Y0374R180S2
Expand Down
5 changes: 3 additions & 2 deletions modules/05-adsr-vca/electronics/core/production/positions.csv
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Original file line number Diff line number Diff line change
Expand Up @@ -21,9 +21,10 @@ H4,178.7,-47.3,0.0,top
J2,136.04,-48.23,90.0,top
J3,156.77,-94.04,0.0,top
J5,148.96,-102.27,270.0,top
J6,179.245,-90.609,0.0,top
J6,132.89,-104.828,0.0,top
J7,158.8945,-75.08,0.0,top
J8,129.77,-96.04,0.0,top
JP1,145.209,-84.513,270.0,top
Q1,130.855,-65.4365,270.0,top
Q3,137.843,-91.18825,270.0,top
R1,133.954187,-70.057,0.0,top
Expand All @@ -41,7 +42,7 @@ R21,146.431157,-95.943,90.0,top
R22,151.559,-82.10175,0.0,top
R23,144.828,-92.641,270.0,top
R24,154.099,-84.45075,90.0,top
R25,145.463,-84.32625,90.0,top
R25,142.923,-84.386,90.0,top
R26,152.3475,-84.45325,270.0,top
R27,150.7265,-84.45325,270.0,top
R28,148.13,-83.56425,180.0,top
Expand Down
2 changes: 1 addition & 1 deletion modules/05-adsr-vca/electronics/core/sheets/adsr-lm324.kicad_sch
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@
(title_block
(title "ADSR + VCA")
(date "2026-05-13")
(rev "4")
(rev "5")
(company "Shmøergh")
)
(lib_symbols
Expand Down
2 changes: 1 addition & 1 deletion modules/05-adsr-vca/electronics/core/sheets/power.kicad_sch
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(title_block
(title "ADSR + VCA")
(date "2026-05-13")
(rev "4")
(rev "5")
(company "Shmøergh")
)
(lib_symbols
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