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System a - 100, A-146, Introduction – Doepfer A-100(~ 40 MB) User Manual

Page 439: Lfo 2, Doepfer

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doepfer

System A - 100

LFO 2

A-146

1

1. Introduction

Module A-146 (LFO 2) is a Low Frequency Oscilla-
tor
, which produces periodic control voltages over a
wide range of frequencies.

The LFO can be used as a modulation source for a
series of modules (for instance pulse width and/or
frequency modulation of a VCO, modulation of a VCF
cut-off frequency, amplitude modulation with a VCA).

Three outputs are available, with different waveforms:
sawtooth / triangle; square wave, and positive-
voltage square wave.

The waveform is continuously adjustable from rising
sawtooth, through triangle to falling sawtooth. The
same control affects the pulse width of the square
wave.

A three-way switch can select one of three frequency
ranges, spanning from one cycle every few minutes, at
the lowest, up to audio frequency at the highest.

Frequ.

LFO 2

Frequ.
Range

Wave

Form