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Doepfer DIY Synth do-it-yourself analog synthesizer User Manual

Page 13

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User's Guide

page 13

DIY Synth Kit

JP4: LFO and ADSR connections

JP4 contains some LFO and ADSR terminals.

ribbon cable

Pin header top view

Function

Explanation

Remark / Recommendation

LFO SW MEDIUM

LFO range switch medium
position

Usually connected to the terminal of a
1-0-1 toggle switch

LFO TRIANGLE

LFO triangle output

about 10V level (+/- 5V)

LFO SW SLOW

LFO range switch low
position

Usually connected to the terminal of a
1-0-1 toggle switch

LFO SW
COMMON

LFO range switch common
terminal

Usually connected to the center terminal
of a 1-0-1 toggle switch

GND
GND
GND
ATTACK CCW

CCW terminal of the ADSR
attack control

Usually connected to the CCW terminal
of the attack control (1M log)

ATTACK CENTER Center terminal of the ADSR

attack control

Usually connected to the center terminal
of the attack control (1M log)

SUSTAIN CW

CW terminal of the ADSR
sustain control

Usually connected to the CW terminal of
the sustain control (50k lin)

DECAY CCW

CCW terminal of the ADSR
decay control

Usually connected to the CCW terminal
of the decay control (1M log)

SUSTAIN CCW

CCW terminal of the ADSR
sustain control

Usually connected to the CCW terminal
of the sustain control (50k lin)

ADSR LED

ADSR LED display

Usually connected to the anode (plus) of
a LED. The cathode of the LED is
connected to GND.

RELEASE
CENTER

Center terminal of the ADSR
release control

Usually connected to the center terminal
of the release control (1M log)

GND
GATE

ADSR gate input

Usually connected to the gate input
socket, min. +5V gate level required, the
socket can be normalled e.g. to the
rectangle output of the LFO (LFO
triggering of the ADSR)