FormantKO
Desval27
Knock-off of the Elektor Formant Synthesizer project with the initial goal of being quasi-authentic and secondary goal undecided. Probably tweaks of some kind.
Components (32)
| Reference | Value | Description |
|---|---|---|
| IC1-IC4 | µA741C | Single Operational Amplifier |
| C1 | 22µ | Polarized capacitor |
| C2,C5 | 1µ | Polarized capacitor,Unpolarized capacitor |
| C3 | 47µ | Polarized capacitor |
| C4 | 680n | Unpolarized capacitor |
| C6 | 330n | Unpolarized capacitor |
| C7 | 100µ | Polarized capacitor |
| C8,C9 | 220n | Unpolarized capacitor |
| D1 | 1N4148 | Universal Silicon Diode |
| D2 | Panel_LED | Light emitting diode |
| J2 | D2a | terminal |
| J3 | D2k | terminal |
| J4 | WN | terminal |
| J5 | CN | terminal |
| J6 | RV | terminal |
| J7 | GND | terminal |
| J8 | P1a-3 | terminal |
| J9 | P1a-2 | terminal |
| J10 | P1a-1 | terminal |
| J11 | P1b-1 | terminal |
| J12 | P1b-2 | terminal |
| J13 | P1b-3 | terminal |
| P1,R2 | 100k | Dual variable resistor,Resistor |
| P2,R4 | 10k | Resistor,Trimmable resistor (preset resistor) |
| R1,R9,R10,R13 | 47k | Resistor |
| R3,R7,R8 | 470k | Resistor |
| R5 | 2M2 | Resistor |
| R6,R11,R18,R19 | 470Ω | Resistor |
| R12 | 4k7 | Resistor |
| R14-R17 | 1k | Resistor |
| R20 | 22k | Resistor |
| T1 | TUN | NPN transistor, emitter/base/collector |