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80-2

Voltage Controlled Oscillator

Courtesy/Thanks to: Digisound

Description: Voltage Controlled Oscillator based on CEM 3340.
Exponential response of 1V/octave. Fully temperature compensated. Very accurate in the range 5Hz to 10kHz (suitable for polyphonic use) but will operate over a range of 0.1Hz to 50kHz. Six outputs available simultaneously : 0-10V sawtooth, pulse, sine and triangle together with ±5V sine and triangle waves. Linear and exponential frequency modulation. Voltage and manual control of pulse width from 0 to 100%. Three synchronisation techniques may be used at the same time : hard negative, hard positive and soft.

(text courtesy of: http://www.digisound80.co.uk/digisound/)

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Files
80-2.jpg
   Frontpanel view of the 80-2 VCO
80-2.jpg
   Frontpanel view of the 80-2 VCO
80-2.pdf
   Service manual, with Schematics, PCB, componentlist for the 80-2 VCO
80-2_3_pcb.gif
   PCB for the Digisound 80-2 and 80-3
Manufacturers
Digisound Ltd
   Manufacturer of the Digisound 80 Modular system. Charles Blakey ran a small family-owned company cal
Modular mother system
Digisound 80
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Parts used
BZY88
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LM1458
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CEM3340
   Voltage Controlled Oscillator
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CA3080
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