Enclosure not stated
From the vendor
Phaser based on the design of the obsolete Phase 90 Script Logo. The gentle and warm sound is still appreciated by many today than the much sharper currently produced version. Not too complicated construction requires only a selected quartet of 2N5952 transistors to work properly.
PCB. Dimensions: 53mm x 52mm.
Files to download:
•
PHASE 90 ENG.pdf
Schematic
The schematic is in the vendor's build document, page 1. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 54 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 27 | ||||
| R26 | 4k7 | 4.7k | ||
| R1 | 10k | 10k | ||
| R3 | 10k | 10k | ||
| R4 | 10k | 10k | ||
| R6 | 10k | 10k | ||
| R7 | 10k | 10k | ||
| R9 | 10k | 10k | ||
| R10 | 10k | 10k | ||
| R12 | 10k | 10k | ||
| R13 | 10k | 10k | ||
| R24 | 10k | 10k | ||
| R5 | 24k | 24k | ||
| R8 | 24k | 24k | ||
| R11 | 24k | 24k | ||
| R14 | 24k | 24k | ||
| R18 | 56k | 56k | ||
| R15 | 150k | 150k | ||
| R16 | 150k | 150k | ||
| R17 | 150k | 150k | ||
| R19 | 150k | 150k | ||
| R21 | 150k | 150k | ||
| R22 | 150k | 150k | ||
| R2 | 470k | 470k | ||
| R23 | 470k | 470k | ||
| R0 | 1M | 1M | ||
| R25 | 1M | 1M | ||
| R20 | 3M9 | 3.9M | ||
| Capacitors 11 | ||||
| C1 | 10n | 10n | ||
| C7 | 10n | 10n | ||
| C2 | 47n | 47n | ||
| C3 | 47n | 47n | ||
| C4 | 47n | 47n | ||
| C5 | 47n | 47n | ||
| C6 | 47n | 47n | ||
| C11 | 47n | 47n | ||
| C8 | 15u | 15u | ||
| C10 | 22u | 22u | ||
| C9 | 47u | 47u | ||
| Diodes 3 | ||||
| D1 | 1N400X | 1N400X | ||
| D2 | 1N914 | 1N914 | ||
| D3 | 5v1 | 5V1 | ||
| Transistors 5 | ||||
| Q1 | 2n5952 | 2N5952 | ||
| Q2 | 2n5952 | 2N5952 | ||
| Q3 | 2n5952 | 2N5952 | ||
| Q4 | 2n5952 | 2N5952 | ||
| Q5 | 2n3906 | 2N3906 | ||
| ICs 6 | ||||
| U1 | 741 | 741 | ||
| U2 | 741 | 741 | ||
| U3 | 741 | 741 | ||
| U4 | 741 | 741 | ||
| U5 | 741 | 741 | ||
| U6 | 741 | 741 | ||
| Potentiometers 1 | ||||
| RV1 | C500k | C500k | ||
| Trimmers 1 | ||||
| RV2 | 200k | 200k | Trimmer | |
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