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VCO 3D

 

Dual VCO based on the 
Moog Rogue oscillators. 
Features...

     

Two wide range VCOs

 

     

Saw and Varable PW

 

     

Syncable

 

     

On board chip heater 
may be disabled in 
favor or 1K tempcos

 

     

+/-12 or +/- 15V

 

The VCO3d is supplied with tempco resistors however there is a chip-heater option on 
the board.

Chip-Heater

To use the chip-heater option the three spaces on the board marked for TC , TC and TC-
R are not used. All parts and jumpers are installed. Turn the unit on. After about five 
minutes warmup adjust trimmer R7 until U5 pins 5 and 6 are equal. About +0.67VDC.

Tempco Resistors

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