License

CC-BY-SA 3.0

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Phase-Locked Loop synth

1 year ago 119
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

Three voice square wave guitar synthesizer

Based on a classic PLL synth effect.

  • FUZZ, MUL, DIV and CLEAN pots mix all available signals
  • VOL and SHAPE pots set output level and tone (it gets loud!)
  • GAIN pot can be used to accomodate for different input levels
  • S_DIV sets the number, which will divide base frequency for the DIV voice (from 2 to 9)
  • S_MUL sets the number, which will multiply base frequency for the MUL voice (from 1 to 9)
  • MUL_SRC chooses, if the base frequency for the MUL voice should be unchanged, lowered one octave or lowered two octaves
  • DIV_SRC chooses, if the DIV voice should be based from the FUZZ voice or MUL voice
  • TRIG pot modifies the FUZZ signal
  • LAG, RESP, L_TRACK, L_SPD set the tracking behavior of the phase-locked loop used for the MUL voice - how fast, how well (or how bad) it operates

Documents

PLL

IO

Switching

PL-02 PCB

BOM

ID Name Designator Footprint Quantity BOM_Manufacturer Part
1 +9V P1 HDR-2X1/2.54 1 2.54-1*2PFemale
2 1N4148 D2,D3 DO-35 2 1N4448
3 SP10T S_DIV1,S_MUL1 ROTARY_SWITCH_1X10_KIT 2 ?
4 220u C8 CAP-D5.0XF2.0 1 ?
5 4P3T MUL_SRC 4P3T_EBAY 1 ?
6 40106 U6 DIP14 1 ?
7 SPDT-On-Off-On L_SPD LEVER-SWITCH-SPDT 1 ?
8 SPDT DIV_SRC1 LEVER-SWITCH-SPDT 1 ?
9 2.2u C5,C10 CAP-D5.0XF2.0 2 ?
10 220u C4 CAP-D8.0XF2.5 1 ?
11 10u C1 CAP-D5.0XF2.0 1 ?
12 3.3u C11 CAP-D5.0XF2.0 1 ?
13 4013 U5 DIP14 1 ?
14 4017 U4,U3 DIP16 2 ?
15 100n C6,C3 CAP-TH_L7.0-W3.0-P5.00-D0.9 2 ?
16 10n C7 CAP-TH_L7.0-W3.0-P5.00-D0.9 1 ?
17 47p C2 RAD-0.1 1 ?
18 22n C9 CAP-TH_L7.0-W3.0-P5.00-D0.9 1 ?
19 470n C12 CAP-TH_L7.0-W3.0-P5.00-D0.9 1 ?
20 100kA SQR,MUL,DIV,VOL,CLN RV16AF-41-15R1 5 3386P-1-101LF
21 250kB SHAPE RV16AF-41-15R1 1 3386P-1-101LF
22 25kA GAIN RV09AF-40-20K-B10K 1 3386P-1-101LF
23 10kB TRIG,LAG1 RV09AF-40-20K-B10K 2 3386P-1-101LF
24 500kA L_TRK RV09AF-40-20K-B10K 1 3386P-1-101LF
25 1MegB RESP RV09AF-40-20K-B10K 1 3386P-1-101LF
26 1Meg R8,R9,R12,R10,R7,R3,R2,R16,R15 AXIAL-0.3 9 ?
27 10k R11,R13,R14,R6 AXIAL-0.3 4 ?
28 1k R1,R5 AXIAL-0.3 2 ?
29 200k R4 AXIAL-0.3 1 ?
30 4046 U2 DIP16 1 ?
31 1N4007RLG D1 DO-41 1 1N4007RLG
32 Jack_1/4_audio_mono J1,J2 1*2 PIN HEADER 2 Jack 1/4 audio mono
33 TL074BCDR U1 SOIC-14_150MIL 1 TL074BCDR

Attachments

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