Akashic Guitar effects PCB lookup
LEVELBLENDTRACKWIDTH

Enclosure not stated · 4 knobs

Parasit Studio

The Phase Locked Fuzz

Category
Fuzz
Controls
Level · Blend · Track · Width
Price
see vendor

From the vendor

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THE PHASE LOCKED FUZZ

The Phase Locked Fuzz is a fuzz / guitar synthesizer that is based around a "discrete" phase locked loop circuit.

It was designed as a personal challenge, to learn more about phase locked loops, and uses transistors and op amps instead of a dedicated PLL IC (CD4046). It's a bit of a novelty, as there's really no benefit of doing it this way. But I did replace the typical square wave oscillator with a saw tooth oscillator, to add more of a difference compared to a CD4046 based pedal.

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• PCB available in the shop

• Build document PDF

DIY kit available from Das Musikding

Schematic

The schematic is in the vendor's build document, page 8. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 56 rows

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RefValueNormalizedTypeNotes
Resistors 26
R11M1M
R2322K22k
R21M1M
R2447K47k
R31M1M
R2547K47k
R41M1M
R2682K82k
R5100K100k
R6100K100k
R7100K100k
R8100K100k
R9100K100k
R10100K100k
R11100K100k
R12100K100k
R13100K100k
R141K1k
R151K1k
R161K1k
R172.2K2.2k
R182.7K2.7k
R1910K10k
R2010K10k
R2110K10k
R2210K10k
Capacitors 13
C1100nF100n
C2100nF100n
C3100nF100n
C4100nF100n
C51nF1n
C62.2nF2.2n
C74.7nF4.7n
C8100pF100p
C9100pF100p
C1068nF68n
C113.3uF3.3u
C1247uF47u
C13100nF100n
Diodes 6
D11N41481N4148
D21N41481N4148
D31N41481N4148
D41N41481N4148
D51N41481N4148
D61N40011N4001
Transistors 4
Q12N39042N3904
Q22N39042N3904
Q32N39062N3906
Q42N39062N3906
ICs 3
U1CD4069CD4069
U2CD4013CD4013
U3LM324LM324
Potentiometers 4
LEVELA100KA100kPotentiometer
BLENDB50KB50kPotentiometer
TRACKA250KA250kPotentiometer
WIDTHC100KC100kPotentiometer