Doepfer A-140 Manual de Usario

Doepfer No categorizado A-140

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doepfer System A - 100 ADSR A-140

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

ADSR

Control

Time

Range

A-140 ADSR System A - 100 doepfer

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

➊

➋

➌

➍

➎

➀

➁

➂

➃

➄

Output

010

HLM

Time

Range

➅

0 10

010

0 10

ENVELOPE GEN.

doepfer System A - 100 ADSR A-140

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

On Off

Time

➨

approx. +8 V

Especificaciones del producto

Marca:	Doepfer
Categoría:	No categorizado
Modelo:	A-140
Color del producto:	Roestvrijstaal
Ancho:	860 mm
Profundidad:	500 mm
Peso del embalaje:	8500 g
Ancho del embalaje:	940 mm
Empaquetadura en profundidad:	570 mm
Altura del embalaje:	260 mm
Ancho del compartimento de instalación:	840 mm
Profundidad del compartimento de instalación:	480 mm
tipo de fregadero:	Opbouwwasbak
Fregadero de forma:	Rechthoekig
Material del fregadero:	Roestvrijstaal
Número de lavabos:	1 kommen
Formar el primer fregadero:	Rechthoekig
Dimensiones del primer recipiente (WxL):	450 x 400 mm
Primero viene la profundidad:	207 mm
Tamaño del orificio del grifo:	35 mm
Encimera:	Ja
Grifo incluido:	Nee
Tamaño del fregadero:	3.5 "
Colocar encimera:	Rechts