diy pedal

1. La Rata Rev.1.Jan.8.2005
Build the RAT distortion on this layout. This is the original RAT circuit. Off board components except for
the potentiometers are not shown on the layout. Trademarks remain property of their owners.
100k-A 100k-A 100k-A
1½
3 2 1 3 2 1 3 2 1
+9V
DISTORTION
+ FILTER VOLUME
30pF
4.7uF 1uF
1
100pF
560
1k5
+
47
47
D2
D1
1k
+
+
IC 1
2.2uF OUT
4.7uF
G
0.0033
+
10k
1M
Q2
MOC.DAPENOT
GND 0.01 0.022 ATAR AL
IN 1M + ½
0.001
100k
100k
0.022 5002 PF
1M
D3
1k
+
+
100uF
1uF
0
LAYOUT
0 ½ 1 1½ 2
READY TO TRANSFER
Common parts
Resistors Capacitors Transistors &ICs
Layout and presentation by Francisco Peña 2001-2005®.
2 - 47 1 - 30 pF 1 - 2N5458
All rights reserved. Authorization for personal use only,
1 - 560 1 - 100 pF IC1 - LM308
Permission refused for posting from other sites.
2 - 1k 1 - 0.001 µF
Permission for posting/serving limited to
1 - 1k5 (1.5k) 1 - 0.0033 µF Diodes
1 - 10k 1 - 0.01 µF 2 - 1N914
any commercial use is forbidden.
2 - 100k 2 - 0.022 µF 1 - 1N4002
3 - 1M 2 - 1 µF
http://www.tonepad.com
1 - 2.2 µF
Pots 2 - 4.7 µF
3 - 100k Log. 1 - 100 µF
Schematic
47
DISTORTION
2
AC 100k
3 1
ADAPTOR 100uF 1N4002 .01
+ Vb Vb 100k-A
9v 1uF 100k 1M 560 47 100pF
4.7 2.2
FILTER
2 7 2
4.7 1k 1k5 .022
INPUT 6 3 1
.022 1k IC1 Q2 1uF
VOLUME
1 8 100k-A
3 OUTPUT
4 3
2
1M .001 D1 D2 .0033 1M 10k 100k-A
30pF 1