Ljunggren Audio
Roll Your Own
Aperture
Version: Aperture PCB1: 1.0, PCB2: 1.0 & 1.1
he only difference between PCB2 1.0 & 1.1 is a short missing trace in 1.0 that is very easy to
fix and is included in the assembly instrucions.
Bills Of Material
Type
Qty Value
Parts
Description
Pow er header
1 2x5pin
POWER
Euro pow er connector
Socket strip
2 1x8pin
CON1-PCB1, CON2-PCB1
Pin strip
2 1x8pin
CON1-PCB2, CON2-PCB2
Potentiometer
1 B22K
POT1
9mm vertical mount
Potentiometer
2 B100K
POT2, POT3
9mm vertical mount
Potentiometer
1 A100K
POT4
9mm vertical mount
Jack
4 3.5mm
J1, J2, J3, J4
PJ301M-12 / Thonkiconn / Inline
Toggle sw itch
1 SPDT on-of f-on
SW1
Toggle sw itch
1 SPDT on-on
SW2
LED 3mm
1 orange
D8
Diode
4 1N4148
D4, D5, D6, D7
General purpose.
Diode
2 1N5818
D1, D2
3.5mm resistor
1 680K
R16
1% Tolerance
3.5mm resistor
4 68K
R4, R5, R22, R34
1% Tolerance
3.5mm resistor
5 47K
R14, R19, R21, R24, R30
1% Tolerance
3.5mm resistor
1 4.7M
R28
3.5mm resistor
5 330K
R17, R18, R31, R43, R45
1% Tolerance
3.5mm resistor
3 12K
R13, R15, R25
1% Tolerance
3.5mm resistor
1 0R
R20
Zero ohm/Jumper
3.5mm resistor
5 10K
R3, R27, R29, R40, R44
1% Tolerance
3.5mm resistor
10 100K
1% Tolerance
7mm resistor
1 100R
R23
1/4W
7mm resistor
2 10R
R1, R2
1/4W
7mm resistor
3 1K
R6, R26, R39
1/4W
MLCC X7R
14 100nF
2.5-2.54mm pin pitch
MLCC C0G
1 33nF
C21
2.5-2.54mm pin pitch TDK recommended
MLCC C0G
1 68nF
C19
2.5-2.54mm pin pitch TDK recommended
Electrolytic
4 10uF
C3, C4, C17, C18
2mm pin pitch, 5mm dia, max 10mm height. Min 25V.
Electrolytic
1 2.2uF
C25
2mm pin pitch, 4-5mm dia, max 10mm height. Min 16V.
Film cap
1 220nF
C20
5mm pin pitch WIMA MKS2 recommended
Film cap
1 470nF
C24
5mm pin pitch WIMA MKS2 recommended
Trimmer
3 50K
VR1, VR2, VR3
Transistor
3 BC547
Q1, Q2, Q3
Voltage reference
1 LM4040 5V
D3
IC socket
1 DIP16
IC1
16 pin DIP
Sw itch IC
1 DG412DJ
IC1
16 pin
IC socket
1 DIP14
IC2
14 pin DIP
OpAmp
1 LM324
IC2
IC socket
3 DIP8
IC3, IC4, IC5
8 pin DIP
OpAmp
3 TL072
IC3, IC4, IC5
8 pin
Vactrol socket
4 SIP2
LDR1, LDR2
2 pin SIP
Vactrol
2 NSL-32 SR3
LDR1, LDR2
Advanced Photonix/Silonex
Pow er cable
1 16pin-10pin
Mounting screw s
2 M3x6 black
Frontplate
1 2mm black
PCB material
PCB1
1
PCB2
1
spacers
2 11mm
nuts
2 f or spacers
screw s
2 f or spacers
Knob
3 small cream
Knob
1 big red
Schottky rectifier. Pow er polarity protection. Alternatives: 1N5817,
1N5819, SB130.
R7, R8, R9, R10, R11, R12, R32, R33,
R37, R38
C1, C2, C5, C6, C7, C8, C9, C10, C11,
C12, C13, C14, C15, C16
14 pin Alternative: TL064 Alternatives w ith higher current
consumption: TL074, TL084
Содержание PCB1 1.0
Страница 2: ...Assembly instructions We start with PCB2 Empty PCB2 top bottom...
Страница 4: ...R30 47K R28 4 7M...
Страница 5: ...R31 330K R25 12K...
Страница 21: ...Step 23 Mount the spacers with the nuts on PCB1...
Страница 27: ...Finished module...