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The sustain (inspired by but simplified from Benjamin AM's [design](https://electro-music.com/forum/post-372492.html#372492)). * Looping mode, allowing attack-decay envelopes to repeat as long as a kind of odd LFO. Current draw ### Current draw 12 mA +12 V, and sustain voltage is taken from \npot pin 1 (so is open or ground)." Title "Precision ADSR with mods Standard switching diode, DO-35"/> Operational amplifier, DIP-8 Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) | | | C7, C12 | 2 | 10k | Resistor | | Tayda | A-826 | | | | | | | C6, C7, C8, C9 Schottky Barrier Rectifier Diode, DO-41 | | | | Tayda | A-1605 | \* Fit SIP socket for\nsocketing capacitors C13 marked 1 nF\non first run PCB Precision ADSR with retriggering and looping modifications * Bourns PTL series, such as: ** https://www.mouser.com/ProductDetail/Bourns/PTL30-15O0-105A2?qs=fV9UsjselOEqdQiKFAm%2Fog%3D%3D (A1M, orange LED, 30mm travel, 15mm shaft) * https://www.mouser.com/ProductDetail/Bourns/PTL30-15R0-103B1?qs=X8nz4ozed5glbMOCRmYKzw%3D%3D (B10K, red LED, 30mm travel, 15mm shaft * TBD, needs testing; but if LEDs are possible, this should be the same, see datasheet: https://www.mouser.com/datasheet/2/54/PTL-777483.pdf (page 4) if we want C3 and C4 could use fewer.

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