The DOEPFER Module A-145 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 minutes at the lowest, to moderate audio frequency at the highest (about 4-5 kHz).
The LFO signal can also be synchronised, via the reset input.
Typical frequency ranges depending upon the position of the Frequ. Range switch:
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H: about 10Hz - 4.5kHz
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M: about 0.1Hz (10 seconds period) - 50Hz
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L: about 0.005 Hz (3.5 minutes period) - 5Hz
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