Doepfer A-145 Bruksanvisning

Doepfer Inte kategoriserad A-145

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doepfer System A - 100 LFO A-145

1. Introduction

Module A-145 (LFO) is a low frequency oscillator,

which produces cyclical control voltages in a very wide

range of frequencies.

Five waveforms are available: sawtooth, inverted

sawtooth, triangle, sine and square wave.

The LFO can be used as a modulation source for

any number of modules - for instance modulating the

pulse width or frequency of a VCO, modulation of the

cut-off frequency of a VCF, or amplitude modulation

with a VCA.

A three-way switch lets you select three frequency

ranges, spanning from one cycle every several minu-

tes at the lowest, to audio frequency at the highest.

The LFO signal can also be synchronised, via the

reset input.

Reset In

Frequ.

A-145

LFO

Frequ.

Range

A-145 LFO System A - 100 doepfer

2. Overview Controls and indicators

1 LED: frequency indicator for the sawtooth

wave at output "

2 LED: frequency indicator for the sine and

square waves at output § and/or $

3 Frequ.: frequency control

4 Frequ. Range:switch for selecting frequency range

In / Outputs

!: output: inverted sawtooth

": output: sawtooth

§: output: sine wave

$: output: triangle

%: output: square wave

& Reset In: synchronisation input

A-145

LFO

Frequ.

Range

Reset In

MHL

010

➊

➋

➌

➍

➎

➏

➁

➂

➃

➀

doepfer System A - 100 LFO A-145

3. Controls and indicators

1 LED ... 2 LED

LEDs 1 and 2 show the frequency of the voltage

output at sockets " to $.

H If the LFO frequency goes above about 15

Hz, our persistence of vision means that the

LEDs look permanently on.

3 Frequ.

This control adjusts the frequency of the LFO, within

the parameters of the frequency range set by switch

4 Frequ. Range

Use switch 4 to select a suitable frequency range from

the three available:

• L (low):up to several minutes per cycle

• M (medium): normal LFO range

• H (high): audio range

4. In / Outputs

This is the output for the inverted sawtooth.

(Amplitude: ± 2.5 V).

This is the output for the ordinary sawtooth, whose

frequency is displayed by LED 1.

(Amplitude: ± 2.5 V).

This is the output for the sine wave, whose frequency

is displayed by LED 2. (Amplitude: ± 2.5 V.)

This is the output for the triangle wave, whose fre-

quency is displayed by LED 2. (Amplitude: ±

2.5 V.)

This is the output for the square wave

(Amplitude: ± 2.5 V.)

Produktspecifikationer

Varumärke:	Doepfer
Kategori:	Inte kategoriserad
Modell:	A-145
Färg på produkten:	Zwart
Inbyggd display:	Nee
Användarmanual:	Ja
Blåtand:	Ja
Anslutningsteknik:	Draadloos
Typ av strömkälla:	USB
Medföljande kablar:	USB
Integrerad minneskortläsare:	Ja
Kompatibla minneskort:	MicroSD (TransFlash)
Genomsnittlig effekt:	- W
Antal batterier/batterier som stöds:	1
Antal högtalare:	1
Inbyggd mikrofon:	Ja
Batteritid/batteritid:	5 uur
Rekommenderad användning:	Universeel
Impedans:	- Ohm
USB-laddningsport:	Ja
Ljudutgångskanaler:	1.0 kanalen
Antal förare:	1
Frekvensomfång:	- Hz
Linjeingång:	Ja
Typ av högtalare:	1-weg
Förstärkare:	Nee
Typ produkt:	Mono draadloze luidspreker
Batteriteknik:	Lithium-Ion (Li-Ion)
Batterityp:	Ingebouwd