Doepfer A-140 Handleiding


Lees hieronder de 📖 handleiding in het Nederlandse voor Doepfer A-140 (8 pagina's) in de categorie Niet gecategoriseerd. Deze handleiding was nuttig voor 22 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld

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doepfer System A - 100 ADSR A-140
1
1. Introduction
Module A-140 (ADSR) is an envelope generator,
and, since it puts out control voltages, counts as one
of the modulation devices in a modular system.
As soon as the gate input receives sufficient voltage,
the ADSR generates a variable voltage, changing in
time, called an envelope. This varying voltage is
output in normal (positive) and inverted form, and can
be used, eg., for voltage controlled modulation of a
VCO, VCF, or VCA, or for processing other modules’
inputs and outputs.
The shape of the envelope is governed by four para-
meters: A D Sttack, ecay, ustain and Release (see Fig.
1 on page 3).
The envelope is started (triggered) by a gate signal
either from the INT.GATE voltage on the system bus,
or, if a signal is put into it, from the gate input socket.
The envelope can also be re-triggered, ie. start from
scratch again, each time a trigger signal is sensed at
the Retrig. input socket, when the gate is still open
(see Fig. 2 on page 5).
Gate
Decay
Inverse
Output
Release
Attack
A-140
ADSR
Sustain
Retrigger
Output
Output
ADSR
Control
Time
Range
A-140 ADSR System A - 100 doepfer
2
2. ADSR overview Controls:
1 A: Attack time control
2 D: Decay time control
3 S: Sustain level control
4 R: Release time control
5 ADSR Control:LED envelope state indicator
6 Time Range:Three-position range switch
In / Outputs:
! Gate: Input for gate voltage
" Retrig.: Input for re-trigger voltage
§ Output: Output: responds to a gate signal by
putting out the voltage envelope set
by the controls.
$ Output: ditto
% Inverse Output: responds to a gate signal by
putting out an inversion of the voltage
envelope set by the controls.
A-140
ADSR
Retrig.
Output
Inverse
Output
ADSR
Control
Gate
Output
010
HLM
Time
Range
A
D
S
R
0 10
010
0 10
ENVELOPE GEN.
doepfer System A - 100 ADSR A-140
3
3. Controls
The ADSR puts out a varying voltage, called an enve-
lope, whenever a gate signal is sensed (see Fig. 1).
Fig. 1: An ADSR envelope and its parameters
1 A
With this control you set the envelope’s attack time.
Whenever the envelope is triggered - via the internal
gate, a ‘note on’ command via a MIDI/CV interface, or
a gate signal at gate input 1 - a control voltage is
output at sockets 3 and 4, rising to maximum in the
time set by this control.
2 D
This control sets the decay time: the time it takes for
the control voltage output to fall to the level set by S,
the sustain control.
3 S
This control sets the sustain level of the envelope -
the steady-state voltage level after the decay phase.
This level remains the same until the gate is closed.
4 R
This control sets the release time of the envelope. As
soon as the gate signal finishes, for instance when the
key that triggered the envelope is released, or a note
off command is received via a MIDI/CV interface, the
control voltage falls to zero, at a rate set by this
control.
Sustain
Level
Attack
Time
Decay
Time
Release
Time
+3 ... +12
V
0
V
On Off
Time
approx. +8 V


Product specificaties

Merk: Doepfer
Categorie: Niet gecategoriseerd
Model: A-140

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