PedalPCB Median Compressor Manual page 3

LOCATION VALUE
C10 68p
C11 4u7
C12 4u7
C13 47u
C14 47u
C15 330p
C16 2n2
C17 220p
C18 1u
C100 100u
C101 100n
C102 100n
C103 100n
C104 100n
C105 100u
D1 BAT43
D2 BAT43
D100 1N5817
Q1 2N5457
Q2 2N5457
IC1 OP1678
IC2 OP1678
IC3 OP1678
IC4 OP1678
ATTACK C25K
BLEND B10K
LEVEL A100K
COMPRESS B100K
TONE B100K
RELEASE A500K
TR1 10K
IC1 - IC4
OP1678 is only available in SOIC-8 SMD package.
A through-hole adapter
used as a substitute.
Q1 - Q2
Transistor parameters as measured listed on page 4
Median Compressor
Median Compressor
Parts List (Page 2 of 2)
TYPE
Ceramic capacitor
Electrolytic capacitor, 5mm
Electrolytic capacitor, 5mm
Electrolytic capacitor, 5mm
Electrolytic capacitor, 5mm
Ceramic capacitor
Film capacitor, 7.2 x 2.5mm
Ceramic capacitor
Film capacitor, 7.2 x 5.0mm
Electrolytic capacitor, 5mm
Film capacitor, 7.2 x 2.5mm
Film capacitor, 7.2 x 2.5mm
Film capacitor, 7.2 x 2.5mm
Film capacitor, 7.2 x 2.5mm
Electrolytic capacitor, 5mm
Schottky diode, DO-35
Schottky diode, DO-35
Schottky diode, DO-41
JFET transistor, N-channel
JFET transistor, N-channel
Dual op-amp, DIP8
Dual op-amp, DIP8
Dual op-amp, DIP8
Dual op-amp, DIP8
16mm right-angle PCB mount pot
16mm right-angle PCB mount pot
16mm right-angle PCB mount pot
16mm right-angle PCB mount pot
16mm right-angle PCB mount pot
16mm right-angle PCB mount pot
Trimmer potentiometer, 3362P type
can be used, or a low-noise opamp with similar specs can be
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NOTES
* See notes
* See notes
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