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velvia-fifty
DIY audio-related projects of questionable quality and dubious utility; delivered in 30 minutes or less or the next one is free
| Reference | Value | Description |
|---|---|---|
| Q1-Q3,Q11,Q12 | BC548 | 0.1A Ic, 30V Vce, Small Signal NPN Transistor, TO-92 |
| U1,U4,U5,U14,U15 | TL074 | Quad Low-Noise JFET-Input Operational Amplifiers, DIP-14/SOIC-14 |
| U2,U11-U13 | TL072 | Dual Low-Noise JFET-Input Operational Amplifiers, DIP-8/SOIC-8 |
| C1-C6,C8,C9,C20,C21 | 100nF | Unpolarized capacitor |
| C7,C36 | 10uF | Polarized capacitor |
| C10 | 22pF | Unpolarized capacitor |
| C22 | 4u7 | Polarized capacitor |
| D1,D15 | 1N4148W | 75V 0.15A Fast Switching Diode, SOD-123 |
| D4 | PRSNT | Light emitting diode |
| D5 | 5V OK | Light emitting diode |
| D6 | 12V OK | Light emitting diode |
| D7 | -12V OK | Light emitting diode |
| D16 | CLIP | Light emitting diode |
| J1 | Static Input 1 | Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) |
| J2 | EXT_INTERFACE_1 | Generic connector, single row, 01x30, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J4 | Amplifying Input 1 | Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) |
| J5,J6 | FX SEND | Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) |
| J9 | VCA2 CV | Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) |
| J10 |
|---|
| Mix Out |
| Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) |
| J11 | VCA1 CV | Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) |
|---|
| J14 | OPT EURO | Generic connector, double row, 02x08, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| J15 | DIN41612_02x32_AB | DIN41612 connector, double row (AB), 02x32, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| R1,R2,R14,R16,R30,R59,R61,R136 | 20k | Resistor |
|---|
| R4,R5 | 150 | Resistor |
|---|
| R6,R7 | 500 | Resistor |
|---|
| R9-R11,R25,R28,R29,R32,R35,R36,R63,R66,R67,RV3-RV12,RV19,RV23 | 100k | Potentiometer,Resistor,Trim-potentiometer |
|---|
| R12,R40 | 82k | Resistor |
|---|
| R13,R17,R58,R62 | 100R | Resistor |
|---|
| R15,R23,R26,R27,R60,R64,R65,R142 | 10k | Resistor |
|---|
| R18,R19,R24,R31,R68,R137,R138,R143 | 1k | Resistor |
|---|
| R20,R139 | 1M | Resistor |
|---|
| R21,R85,R86,R140 | 470R | Resistor |
|---|
| R22,R141 | 150k | Resistor |
|---|
| R33,R34,R37-R39,R41-R48 | 47k | Resistor |
|---|
| R69,R84 | 8k2 | Resistor |
|---|
| TP1,TP17 | VCA_1_IN | test point |
|---|
| TP2 | VCF IN | test point |
|---|