PolySynth
hsetlik
Analog polyphonic synth powered by STM32F4
Components (31)
| Reference | Value | Description |
|---|---|---|
| Q201,Q202,Q301,Q302,Q401,Q402,Q404,Q406,Q407 | BC857 | |
| Q403,Q405 | BC847 | |
| U101,U102 | TMUX4053 | |
| U103 | VoiceBoardConn_20P_200P | |
| U201,U202,U204,U206,U301,U403,U404 | TL074 | Quad Low-Noise JFET-Input Operational Amplifiers, DIP-14/SOIC-14 |
| U203,U205 | MCP4451-104E-ST | |
| U302 | AD5280 | Digital potentiometer, 256 position, single output, I2C interface |
| U303,U402 | LM13700 | |
| C101-C104,C205-C207,C210,C212,C213,C215-C218,C308-C311,C313-C315,C403,C404,C407-C410 | 100n | |
| C201,C202,C208,C209,C306,C307,C405 | 1n | |
| C203,C204,C211,C214 | 1u | |
| C301,C401 | 4n7 | |
| C305,C406,C414 | 470n | |
| D201-D206 | 1N4148 | |
| D301,D302 | LED | |
| R201,R202,R208-R211,R217-R219,R221,R222,R235,R236,R242-R244,R305-R308,R311,R312,R315,R317,R414,R419 | 10k | |
| R203,R207,R214,R216,R220,R224,R225,R228-R231,R237-R241,R303,R402,R405,R418,R423,R428 | 100k | |
| R204,R215,R246,R309,R310,R313,R314 | 470 | |
| R205,R212,R223,R226,R409,R410 | 47k | |
| R206,R213,R404,R420,R429 | 1k | |
| R227,R232-R234,R245,R425,R430 | 33k | |
| R247 | LOOP | Resistor, US symbol |
| R301,R408,R422,R424 | 4k7 | |
| R302,R421 | 470k | |
| R304,R316,R431 | 1k8 | |
| R401 | 6k8 | |
| R403 | 680k | |
| R406,R407,R426,R427 | 680 | |
| R411 | 5k6 | |
| R412,R413,R416,R417 | 22k | |
| R415 | 18k |