Module description

A Voltage Controlled Low Frequency Oscillator based on the CEM 3340 chip.

Same features as 80-2 VCO but operating in the range 0.2Hz to 205Hz. This range can be altered easily to suit specific needs. The total capability is about 500,000 : 1 by using CVs in conjunction with manual control.

Construction information

• ETI February 1980 (3.5MB pdf file)
  Note: the original ETI article covers both the 80-2 VCO and the 80-3 VCLFO
• Digisound document (1.8MB pdf file)
• PCB foil diagram (46KB gif file)
• PCB size (mm) 160 x 82

Front panel designs

• Original 9 x 3 inch (3KB fpd file)
• MOTM-format 5U x 2U (3KB fpd file)

For more Digisound-related documents, please refer to the Other Digisound documents page.