First version of the Volume control circuit and added the superPsu pspice sim. for op-amp PSU desing

01_volume/04_pcb/amp6c_volume/amp6c_volume.kicad_pro

@@ -33,9 +33,9 @@
         "other_text_thickness": 0.15,
         "other_text_upright": false,
         "pads": {
-          "drill": 0.762,
+          "drill": 2.6,
-          "height": 1.524,
+          "height": 3.75,
-          "width": 1.524
+          "width": 3.75
         },
         "silk_line_width": 0.15,
         "silk_text_italic": false,
@@ -48,7 +48,13 @@
           "min_clearance": 0.508
         }
       },
-      "diff_pair_dimensions": [],
+      "diff_pair_dimensions": [
+        {
+          "gap": 0.0,
+          "via_gap": 0.0,
+          "width": 0.0
+        }
+      ],
       "drc_exclusions": [],
       "meta": {
         "version": 2
@@ -112,8 +118,17 @@
         "solder_mask_min_width": 0.0,
         "use_height_for_length_calcs": true
       },
-      "track_widths": [],
+      "track_widths": [
-      "via_dimensions": [],
+        0.0,
+        0.508,
+        0.635
+      ],
+      "via_dimensions": [
+        {
+          "diameter": 0.0,
+          "drill": 0.0
+        }
+      ],
       "zones_allow_external_fillets": false,
       "zones_use_no_outline": true
     },

01_volume/06_simulation/DigitalVolumeControl.asc

@@ -12,8 +12,9 @@ WIRE 896 -1376 864 -1376
 WIRE 1088 -1360 1088 -1568
 WIRE 1088 -1360 960 -1360
 WIRE 1120 -1360 1088 -1360
-WIRE 1232 -1360 1200 -1360
+WIRE 1232 -1360 1120 -1360
 WIRE 896 -1344 864 -1344
+WIRE 1120 -1344 1120 -1360
 WIRE 864 -1312 864 -1344
 WIRE 912 -1312 912 -1328
 WIRE 944 -1312 944 -1328
@@ -21,31 +22,40 @@ WIRE 944 -1312 912 -1312
 WIRE 1232 -1312 1232 -1360
 WIRE 1312 -1312 1232 -1312
 WIRE 1392 -1312 1312 -1312
-WIRE 1552 -1312 1472 -1312
+WIRE 1568 -1312 1472 -1312
+WIRE 1568 -1296 1568 -1312
 WIRE 1392 -1280 1376 -1280
 WIRE 912 -1248 912 -1312
 WIRE 992 -1248 976 -1248
+WIRE 1120 -1248 1120 -1264
 WIRE 992 -1232 992 -1248
 WIRE 1424 -1232 1424 -1248
 WIRE 1440 -1232 1440 -1248
 WIRE 1440 -1232 1424 -1232
 WIRE 1424 -1216 1424 -1232
 WIRE 912 -1200 912 -1248
+WIRE 1568 -1200 1568 -1216
+WIRE 1696 -1200 1568 -1200
+WIRE 1568 -1184 1568 -1200
 WIRE 1376 -1120 1376 -1280
 WIRE 1376 -1120 736 -1120
-WIRE 1552 -1104 1552 -1312
+WIRE 1696 -1120 1696 -1200
-WIRE 1600 -1104 1552 -1104
+WIRE 1744 -1120 1696 -1120
-WIRE 1600 -1088 1552 -1088
+WIRE 1744 -1104 1696 -1104
-WIRE 1744 -1088 1664 -1088
+WIRE 1888 -1104 1808 -1104
+WIRE 2352 -1104 2352 -1120
+WIRE 1568 -1088 1568 -1104
 WIRE 944 -1056 848 -1056
 WIRE 1072 -1056 1024 -1056
+WIRE 2352 -992 2352 -1024
 WIRE 896 -944 896 -976
 WIRE 976 -944 960 -944
 WIRE 976 -928 976 -944
 WIRE 1376 -912 1376 -1120
 WIRE 1392 -912 1376 -912
-WIRE 1552 -912 1552 -1088
+WIRE 1568 -912 1472 -912
-WIRE 1552 -912 1472 -912
+WIRE 1568 -896 1568 -912
+WIRE 2352 -896 2352 -912
 WIRE 896 -880 896 -944
 WIRE 1312 -880 1232 -880
 WIRE 1392 -880 1312 -880
@@ -54,10 +64,11 @@ WIRE 848 -864 816 -864
 WIRE 880 -864 848 -864
 WIRE 1072 -848 1072 -1056
 WIRE 1072 -848 944 -848
-WIRE 1104 -848 1072 -848
+WIRE 1120 -848 1072 -848
 WIRE 1232 -848 1232 -880
-WIRE 1232 -848 1184 -848
+WIRE 1232 -848 1120 -848
 WIRE 880 -832 848 -832
+WIRE 1120 -832 1120 -848
 WIRE 1424 -832 1424 -848
 WIRE 1440 -832 1440 -848
 WIRE 1440 -832 1424 -832
@@ -66,10 +77,16 @@ WIRE 848 -800 848 -832
 WIRE 896 -800 896 -816
 WIRE 928 -800 928 -816
 WIRE 928 -800 896 -800
+WIRE 1568 -800 1568 -816
+WIRE 1696 -800 1696 -1104
+WIRE 1696 -800 1568 -800
+WIRE 1568 -784 1568 -800
 WIRE 896 -736 896 -800
 WIRE 976 -736 960 -736
+WIRE 1120 -736 1120 -752
 WIRE 976 -720 976 -736
 WIRE 896 -688 896 -736
+WIRE 1568 -688 1568 -704
 WIRE 816 -496 560 -496
 WIRE 1792 -496 1536 -496
 WIRE 1072 -480 976 -480
@@ -124,7 +141,8 @@ WIRE 592 -272 432 -272
 WIRE 1232 -272 1232 -368
 WIRE 1232 -272 1072 -272
 WIRE 1424 -272 1424 -304
-WIRE 1568 -272 1424 -272
+WIRE 1520 -272 1424 -272
+WIRE 1568 -272 1520 -272
 WIRE 2208 -272 2208 -480
 WIRE 2208 -272 2048 -272
 WIRE 2288 -272 2208 -272
@@ -174,6 +192,9 @@ WIRE 2080 -144 2080 -160
 WIRE -960 -128 -960 -144
 WIRE -848 -128 -848 -144
 WIRE 608 -128 608 -176
+WIRE 1424 -128 1424 -176
+WIRE 1520 -128 1520 -272
+WIRE 1520 -128 1424 -128
 WIRE 1584 -128 1584 -176
 WIRE 2288 -128 2288 -144
 WIRE -80 -112 -80 -160
@@ -188,12 +209,12 @@ WIRE 2000 -112 2000 -160
 WIRE -80 -96 -80 -112
 WIRE -672 -64 -672 -80
 WIRE 1232 -16 1232 -272
-WIRE 1424 -16 1424 -176
+WIRE 1328 -16 1232 -16
+WIRE 1424 -16 1424 -128
 WIRE 1424 -16 1408 -16
 WIRE 1440 -16 1424 -16
 WIRE 2208 -16 2208 -272
 WIRE 2208 -16 1520 -16
-WIRE 1232 80 1232 64
 FLAG -672 -64 0
 FLAG -672 -288 0
 FLAG -784 -240 0
@@ -215,7 +236,7 @@ FLAG 2080 -144 0
 FLAG 2080 -352 0
 FLAG 2000 -400 Vop+
 FLAG 2000 -112 Vop-
-FLAG 1744 -1088 ZeroCross
+FLAG 1888 -1104 ZeroCross
 FLAG 1664 -160 0
 FLAG 1664 -368 0
 FLAG 1584 -416 Vop+
@@ -250,7 +271,12 @@ FLAG 736 -864 Vop-
 FLAG 736 -1120 ZCD_Line
 FLAG 1232 -272 ZCD_Line
 FLAG 2288 -128 0
-FLAG 1232 80 0
+FLAG 1568 -1088 0
+FLAG 1568 -688 0
+FLAG 1120 -1248 0
+FLAG 1120 -736 0
+FLAG 2352 -896 0
+FLAG 2352 -1120 Vop+
 SYMBOL voltage -672 -176 R0
 WINDOW 123 24 44 Left 2
 WINDOW 39 0 0 Left 0
@@ -288,18 +314,18 @@ WINDOW 0 0 32 VBottom 2
 WINDOW 3 32 32 VTop 2
 SYMATTR InstName C4
 SYMATTR Value 100n
-SYMBOL Digital\\and 1632 -1136 R0
+SYMBOL Digital\\and 1776 -1152 R0
 SYMATTR InstName A1
 SYMBOL res 1536 -32 R90
 WINDOW 0 0 56 VBottom 2
 WINDOW 3 32 56 VTop 2
 SYMATTR InstName R1
-SYMATTR Value 10k
+SYMATTR Value 20k
 SYMBOL res 1424 -32 R90
 WINDOW 0 0 56 VBottom 2
 WINDOW 3 32 56 VTop 2
 SYMATTR InstName R2
-SYMATTR Value 10k
+SYMATTR Value 20k
 SYMBOL res 1936 -304 R90
 WINDOW 0 0 56 VBottom 2
 WINDOW 3 32 56 VTop 2
@@ -438,26 +464,37 @@ SYMATTR InstName R18
 SYMATTR Value 2k
 SYMBOL OpAmps\\ADA4099-1 912 -848 R0
 SYMATTR InstName U1
-SYMBOL res 1216 -1376 R90
-WINDOW 0 0 56 VBottom 2
-WINDOW 3 32 56 VTop 2
-SYMATTR InstName R5
-SYMATTR Value 100
-SYMBOL res 1200 -864 R90
-WINDOW 0 0 56 VBottom 2
-WINDOW 3 32 56 VTop 2
-SYMATTR InstName R8
-SYMATTR Value 100
 SYMBOL res 2272 -240 R0
 SYMATTR InstName R15
 SYMATTR Value 100k
-SYMBOL res 1216 -32 R0
+SYMBOL res 1552 -1312 R0
+SYMATTR InstName R5
+SYMATTR Value 1.6k
+SYMBOL res 1552 -1200 R0
+SYMATTR InstName R8
+SYMATTR Value 3k
+SYMBOL res 1552 -912 R0
 SYMATTR InstName R16
-SYMATTR Value 100k
+SYMATTR Value 1.6k
+SYMBOL res 1552 -800 R0
+SYMATTR InstName R19
+SYMATTR Value 3k
+SYMBOL res 1104 -1360 R0
+SYMATTR InstName R20
+SYMATTR Value 1k
+SYMBOL res 1104 -848 R0
+SYMATTR InstName R21
+SYMATTR Value 1k
+SYMBOL res 2336 -1120 R0
+SYMATTR InstName R22
+SYMATTR Value 4.3k
+SYMBOL res 2336 -1008 R0
+SYMATTR InstName R23
+SYMATTR Value 1.2k
 TEXT 1456 -1224 Left 2 ;LM393
 TEXT 1456 -832 Left 2 ;LM393
 TEXT 1264 -1296 Left 2 ;- 150mV
 TEXT 1272 -864 Left 2 ;150mV
-TEXT -994 104 Left 2 !.ac lin 100k 1 1Meg
+TEXT -992 104 Left 2 !.tran 0 3m 0 0.001
 TEXT 856 -544 Left 2 ;LM4562
 TEXT 1824 -536 Left 2 ;LM4562

01_volume/06_simulation/DigitalVolumeControl.log

@@ -1,9 +1,9 @@
 Circuit: * C:\Users\kerem\Documents\git\amplifier_6c\01_volume\06_simulation\DigitalVolumeControl.asc
 
-Number of points reduced from 100000 to 65535.
+C5: both pins shorted together -- ignoring.
+Number of points per decade reduced from 10000 to 7244.
 WARNING: Less than two connections to node 3.3V.  This node is used by V3.
 WARNING: Less than two connections to node ZEROCROSS.  This node is used by A1.
-WARNING: Less than two connections to node NC_03.  This node is used by R2.
 Direct Newton iteration failed to find .op point.  (Use ".option noopiter" to skip.)
 Starting Gmin stepping
 Gmin = 10
@@ -21,43 +21,43 @@ vernier = 0.25
 Gmin = 5.50669e-009
 vernier = 0.125
 vernier = 0.0625
+Gmin = 5.09126e-009
 vernier = 0.0833333
-Gmin = 5.08966e-009
 vernier = 0.111111
+Gmin = 4.0318e-009
 vernier = 0.148148
-Gmin = 3.91412e-009
 vernier = 0.197531
-Gmin = 2.56445e-009
+Gmin = 2.78655e-009
 vernier = 0.263374
+Gmin = 1.56737e-009
 vernier = 0.351165
-Gmin = 1.29498e-009
 vernier = 0.46822
+Gmin = 6.07574e-010
 vernier = 0.624294
-Gmin = 4.47912e-010
 vernier = 0.832392
-Gmin = 8.42858e-011
+Gmin = 1.39744e-010
 vernier = 1
-Gmin = 9.36402e-012
+Gmin = 1.71975e-011
-Gmin = 1.00545e-012
+Gmin = 1.84656e-012
-Gmin = 1.0796e-013
+Gmin = 1.98273e-013
 Gmin = 0
 Gmin stepping succeeded in finding the operating point.
 
 
-Date: Sun Apr 24 17:04:23 2022
+Date: Tue May 03 19:21:05 2022
 Total elapsed time: 5.607 seconds.
 
 tnom = 27
 temp = 27
 method = trap
-totiter = 1247
+totiter = 1327
 traniter = 0
 tranpoints = 0
 accept = 0
 rejected = 0
-matrix size = 196
+matrix size = 195
-fillins = 210
+fillins = 240
 solver = Normal
-Matrix Compiler1:    1149 opcodes
+Matrix Compiler1:    1288 opcodes
-Matrix Compiler2: 23.32 KB object code size  3.0/4.2/[1.6]
+Matrix Compiler2: 23.78 KB object code size  3.2/4.2/[1.6]
 

02_opamp_psu/06_simulation/Voltagereg.asc

@@ -0,0 +1,195 @@
+Version 4
+SHEET 1 2580 776
+WIRE 0 -464 -64 -464
+WIRE 112 -464 0 -464
+WIRE 240 -464 112 -464
+WIRE 320 -464 240 -464
+WIRE 576 -464 416 -464
+WIRE 704 -464 576 -464
+WIRE 800 -464 704 -464
+WIRE 1088 -464 800 -464
+WIRE 1216 -464 1088 -464
+WIRE 1312 -464 1216 -464
+WIRE 240 -448 240 -464
+WIRE 1216 -448 1216 -464
+WIRE 800 -432 800 -464
+WIRE 112 -384 112 -464
+WIRE 0 -368 0 -464
+WIRE 240 -368 240 -384
+WIRE 704 -368 704 -464
+WIRE 1216 -368 1216 -384
+WIRE 704 -272 704 -288
+WIRE 800 -272 800 -368
+WIRE 800 -272 704 -272
+WIRE 704 -256 704 -272
+WIRE -560 -240 -560 -272
+WIRE -336 -240 -336 -272
+WIRE 112 -240 112 -304
+WIRE 0 -192 0 -304
+WIRE 48 -192 0 -192
+WIRE 704 -160 704 -176
+WIRE -560 -144 -560 -160
+WIRE -336 -144 -336 -160
+WIRE 0 -144 0 -192
+WIRE 240 -144 112 -144
+WIRE 368 -144 368 -400
+WIRE 368 -144 240 -144
+WIRE 752 -80 656 -80
+WIRE 800 -80 800 -272
+WIRE 800 -80 752 -80
+WIRE 816 -80 800 -80
+WIRE 576 -64 576 -464
+WIRE 752 -64 752 -80
+WIRE 816 -64 816 -80
+WIRE 656 -48 656 -80
+WIRE 656 -48 608 -48
+WIRE 0 -32 0 -64
+WIRE 240 -32 240 -144
+WIRE 272 -32 240 -32
+WIRE 368 -32 336 -32
+WIRE 384 -32 368 -32
+WIRE 544 -32 464 -32
+WIRE 1088 -32 1088 -464
+WIRE 624 -16 608 -16
+WIRE 656 -16 624 -16
+WIRE 656 16 656 -16
+WIRE 752 16 752 0
+WIRE 752 16 656 16
+WIRE 816 16 816 0
+WIRE 816 16 752 16
+WIRE 576 32 576 0
+WIRE 240 64 240 -32
+WIRE 272 64 240 64
+WIRE 368 64 368 -32
+WIRE 368 64 336 64
+WIRE 624 80 624 -16
+WIRE 960 80 624 80
+WIRE 1088 80 1088 48
+WIRE 1088 80 1040 80
+WIRE 1120 80 1088 80
+WIRE 624 96 624 80
+WIRE 624 176 624 160
+FLAG -336 -144 0
+FLAG -336 -272 in
+FLAG 240 -368 0
+FLAG 0 -32 0
+FLAG -64 -464 in
+FLAG 576 32 0
+FLAG 624 176 0
+FLAG 1216 -368 0
+FLAG 1312 -464 out
+FLAG 704 -160 0
+FLAG 1088 80 zener
+FLAG -560 -144 0
+FLAG -560 -272 vref
+FLAG 1120 80 vref
+FLAG 800 -272 feedback
+DATAFLAG 800 -304 ""
+SYMBOL npn 320 -400 R270
+WINDOW 0 15 99 VRight 2
+WINDOW 3 -16 75 VRight 2
+SYMATTR InstName Q1
+SYMATTR Value Qd44h11
+SYMBOL voltage -336 -256 R0
+WINDOW 123 0 0 Left 0
+WINDOW 39 0 0 Left 0
+SYMATTR InstName V1
+SYMATTR Value 24
+SYMBOL pnp 48 -144 M180
+SYMATTR InstName Q2
+SYMATTR Value BC556B
+SYMBOL diode 832 -64 M0
+WINDOW 0 -46 27 Left 2
+WINDOW 3 47 99 Left 2
+SYMATTR InstName D1
+SYMATTR Value 1N4148
+SYMBOL diode 736 0 M180
+WINDOW 0 -49 32 Left 2
+WINDOW 3 62 -34 Left 2
+SYMATTR InstName D2
+SYMATTR Value 1N4148
+SYMBOL polcap 272 80 R270
+WINDOW 0 32 32 VTop 2
+WINDOW 3 0 32 VBottom 2
+SYMATTR InstName C2
+SYMATTR Value 120µ
+SYMATTR Description Capacitor
+SYMATTR Type cap
+SYMATTR SpiceLine V=2.5 Irms=3.72678 Rser=0.018 Lser=0 mfg="KEMET" pn="A700D127M2R5ATE018" type="Al electrolytic"
+SYMBOL zener 336 -48 R90
+WINDOW 0 0 32 VBottom 2
+WINDOW 3 32 32 VTop 2
+SYMATTR InstName D3
+SYMATTR Value KDZ6_8B
+SYMATTR Description Diode
+SYMATTR Type diode
+SYMBOL res 480 -48 R90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName R4
+SYMATTR Value 10
+SYMBOL polcap 224 -448 R0
+SYMATTR InstName C6
+SYMATTR Value 120µ
+SYMATTR Description Capacitor
+SYMATTR Type cap
+SYMATTR SpiceLine V=2.5 Irms=3.72678 Rser=0.018 Lser=0 mfg="KEMET" pn="A700D127M2R5ATE018" type="Al electrolytic"
+SYMBOL res 96 -400 R0
+SYMATTR InstName R1
+SYMATTR Value 249
+SYMBOL res -16 -160 R0
+SYMATTR InstName R2
+SYMATTR Value 10k
+SYMBOL LED -16 -368 R0
+WINDOW 3 -139 5 Left 2
+SYMATTR InstName D5
+SYMATTR Value LED_GREEN
+SYMATTR Description Diode
+SYMATTR Type diode
+SYMBOL polcap 608 96 R0
+SYMATTR InstName C1
+SYMATTR Value 120µ
+SYMATTR Description Capacitor
+SYMATTR Type cap
+SYMATTR SpiceLine V=2.5 Irms=3.72678 Rser=0.018 Lser=0 mfg="KEMET" pn="A700D127M2R5ATE018" type="Al electrolytic"
+SYMBOL res 1056 64 R90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName R3
+SYMATTR Value 499
+SYMBOL res 1104 64 R180
+WINDOW 0 36 76 Left 2
+WINDOW 3 36 40 Left 2
+SYMATTR InstName R5
+SYMATTR Value 4.99k
+SYMBOL polcap 1200 -448 R0
+SYMATTR InstName C3
+SYMATTR Value 120µ
+SYMATTR Description Capacitor
+SYMATTR Type cap
+SYMATTR SpiceLine V=2.5 Irms=3.72678 Rser=0.018 Lser=0 mfg="KEMET" pn="A700D127M2R5ATE018" type="Al electrolytic"
+SYMBOL polcap 784 -432 R0
+SYMATTR InstName C4
+SYMATTR Value 120µ
+SYMATTR Description Capacitor
+SYMATTR Type cap
+SYMATTR SpiceLine V=2.5 Irms=3.72678 Rser=0.018 Lser=0 mfg="KEMET" pn="A700D127M2R5ATE018" type="Al electrolytic"
+SYMBOL res 688 -384 R0
+SYMATTR InstName R6
+SYMATTR Value 1100
+SYMBOL res 688 -272 R0
+SYMATTR InstName R7
+SYMATTR Value 1000
+SYMBOL OpAmps\\LT1225 576 -96 M0
+SYMATTR InstName U1
+SYMBOL voltage -560 -256 R0
+SYMATTR InstName V2
+SYMATTR Value 6.9
+TEXT 272 424 Left 2 !.MODEL Qd44h11 npn\n+IS=6.99994e-12 BF=91.0001 NF=1.04634 VAF=40.7259\n+IKF=10 ISE=7e-11 NE=3 BR=1.97064\n+NR=1.50008 VAR=22.902 IKR=35.9467 ISC=4.75e-12\n+NC=3.59375 RB=4 IRB=0.1 RBM=0.1\n+RE=0.0001 RC=0.130733 XTB=0.337319 XTI=1.40625\n+EG=1.13125 CJE=1.03578e-09 VJE=0.651779 MJE=0.35303\n+TF=3.07008e-09 XTF=1.35721 VTF=0.995654 ITF=1\n+CJC=3.98764e-10 VJC=0.429208 MJC=0.35114 XCJC=0.803125\n+FC=0.533449 CJS=0 VJS=0.75 MJS=0.5\n+TR=4.30593e-07 PTF=0 KF=0 AF=1\n* Model generated on Mar  1, 2004\n* Model format: PSpice
+TEXT -376 -16 Left 2 !.tran 0 .5 0 0.1
+TEXT 216 -664 Left 2 ;https://tangentsoft.net/elec/opamp-linreg.html  \nhttps://refsnregs.waltjung.org/  \nhttps://linearaudio.nl/superregs
+TEXT 1048 440 Left 2 !.model  LED_GREEN D(Is=8.2e-25 N=1.46 Rs=5.1 Eg=2.23)
+TEXT 1520 -240 Left 2 !.ic V(out)=0
+TEXT 1520 -208 Left 2 !.ic V(in)=0
+TEXT 1520 -176 Left 2 !.ic V(zener)=0
+TEXT 1520 -152 Left 2 !.ic V(feedback)=0