Doepfer DIY Synth do-it-yourself analog synthesizer - Manual (Page 14)

DIY Synth Kit Page 14 User's Guide
Remark: Several gate signals can be combined via diodes and connected to the gate input.
Another possibility is to connect the switching contact of the gate socket to the rectangle
output of the LFO. In this case the ADSR is triggered automatically by the LFO unless
another gate signal is connected to the gate socket.
JP5: LFO and ADSR connections
JP5 contains some ADSR, Buffer and Inverter/Mixer terminals.
pin header top view ribbon cable
Function Explanation Remark / Recommendation
BUFFER OUT Output of the buffer Usually connected to the center terminal
of the ADSR decay control for best
ADSR operation
BUFFER IN Input of the buffer Usually connected to the center terminal
of the ADSR sustain control for best
ADSR operation
ADSR OUT ADSR output Typ. 0…+8V level, usually connected to
the ADSR output socket, can be
normalled to the FM/AM inputs of the
VCF and VCA
INV IN Inverter input Can be used to invert a signal (e.g.
ADSR), if the INV SUM is used the
inverter unit can be used also for mixing
of CV or audio signals
INV SUM Inverter summing input Required if the inverter should be used
as a mixer, serial resistor(s) 100k
recommended for same sensitivity as
INV IN
INV OUT Inverter output
GND
RELEASE CCW
CCW terminal of the ADSR
release control Usually connected to the CCW terminal
of the release control (1M log)
GND
GND