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MK's Diode Ladder VCF Kassutronic's KS-20 https://kassu2000.blogspot.com/2019/07/ks-20-filter.html ** uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on https://www.schmitzbits.de/ms20.html which is an ADSR envelope generator and a momentary-on button to advance the step manually. This requires Futura font files. The Filmoscope Quentin typeface ... 8e97a73397 Dead Philosophers Added BCN, Something Positive 2015-02-23 19:36:05 -08:00 main MK_SEQ/Schematics/Unseen Servant/Unseen Servant_counter_board_noncanonical.kicad_dru Normal file Unescape Hardware/PCB/precadsr/ao_tht.pretty/SolderWirePad_1x01_Drill0.8mm.kicad_mod Normal file Unescape Hardware/PCB/precadsr/ao_tht.pretty/D_DO-35_SOD27_P7.62mm_Horizontal.kicad_mod Normal file Unescape DEF Kosmo_panel_Ground_point_for_NPTH GP 0 40 Y N 1 F N DEF Synth_power_2x5 J 0 40 Y N 1 F N DEF SW_DIP_x07 SW 0 20 Y N 2 F N DEF SW_Rotary2x6 SW 0 0 Y N 1 F N DEF SW_DIP_x04 SW 0 0 vertex -7.20568 -7.20568 0 facet normal -7.414601e-14 -1.000000e+00 -1.667459e-13 facet normal 1.575928e-001 2.757875e-001 9.482119e-001 vertex -2.058129e+000 -3.664150e+000 2.494118e+001 facet normal -5.956778e-01 0.000000e+00 8.032235e-01 vertex -1.048853e+02 9.695134e+01 9.319300e+00 facet normal 0.703995 -0.703995 0.0937203 facet normal -0.466332 0.314689 -0.826744 vertex 2.03063 2.06806 18.9318 facet normal 2.839768e-004 4.969595e-004 -9.999998e-001 facet normal 0.090613 0.920058 0.38116 vertex 0 -9 3.82299 vertex 1.71116 -8.83147 3.82299 facet normal -0.0975513 -0.99044 0.0975338 facet normal -0.95107 -0.308975 -3.97753e-05 vertex 0.408138 -6.48717 19.9 facet normal -3.934382e-001 6.745008e-001 6.247039e-001 vertex 1.376525e+000 -3.994463e+000 2.488700e+001 facet normal 0.133707 0.0819149 0.98763 facet normal -0.678285 0.205763 0.705402 facet normal -0.367721 0.111545 0.923222 vertex 0.183929 9.12468 3.76384 facet normal 2.208553e-01 9.753065e-01 -3.470281e-04 vertex -9.599162e+01 9.184476e+01 2.550000e+00 facet normal -0.422682 0.361949 0.830862 vertex 4.83932 -5.54554 6.98393 vertex -0.636408 -7.31983 7.07423 vertex 5.54018 4.83492 6.98312 vertex 7.3432 0.499373 6.98393 vertex 7.31983 0.636408 7.07423 facet normal 0.920074 -0.090682 0.381103 facet normal -0.815356 0.435831 0.381112 facet normal 0.97743 -0.186463 0.0993086 facet normal 6.454021e-14 -1.000000e+00 1.983762e-13 vertex -1.063085e+02 9.665134e+01 1.152487e+01 facet normal 0.630673 -0.768469 0.108201 facet normal -9.480295e-01 -4.671082e-03 3.181483e-01 vertex -1.084545e+02 9.695134e+01 1.105996e+01 facet normal -0.114147 -0.100183 0.9884 facet normal 0.952732 -0.286108 0.102199 facet normal 2.498231e-001 4.371905e-001 8.639750e-001 vertex -2.751597e+000 -3.222466e+000 2.491820e+001 facet normal 4.566410e-001 -7.828537e-001 4.226336e-001 vertex -1.632302e+000 4.829942e+000 2.475471e+001 facet normal -5.026217e-001 8.616822e-001 6.982353e-002 vertex 2.042886e+000 -3.506942e+000 2.470218e+001 facet normal 3.734672e-03 0.000000e+00 -9.999930e-01 facet normal 0.247471 0.9638 0.0992317 vertex 2.47214 7.60845 20 facet normal -7.765720e-01 -1.743264e-03 -6.300261e-01 facet normal 0.996728 -0.0397752 -0.0703603 vertex -5.47263 6.86246 12.1408 facet normal 0.297032 0.243844 0.923208 vertex 7.46215 -5.02581 3.82299 vertex -1.75581 -8.82707 3.82299 facet normal -9.241798e-01 -4.532334e-03 -3.819308e-01 vertex -1.071567e+02 9.725134e+01 5.045382e+00 facet normal -0.55557 -0.83147 -6.71887e-07 facet normal -0.365094 -0.683044 0.63258 facet normal -1.284288e-001 -2.247502e-001 9.659158e-001 vertex 4.396920e+000 3.478450e+000 2.494118e+001 facet normal -0.0980055 -0.0096532 0.995139.

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