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DWO3

Dual Wideband Oscillator

Overview​

  • Two discrete analog triangle core VCOs
  • Four classic waveforms for video synthesis
    • sine
    • square
    • sawtooth
    • triangle
  • Frequencies from several seconds to 2 MHz
  • Eight frequency range / video sync modes
    • Locked Horizontal
    • Locked Upper Vertical
    • Locked Lower Vertical
    • Seconds
    • Frames
    • Free Lower Vertical
    • Free Upper Vertical
    • Free Horizontal
  • Exponential CV input covers a 100:1 tuning ratio for each frequency range
  • External clock inputs
    • Phase reset in locked ranges
    • Gated reset in unlocked ranges

Key Specifications​

Mounting Width12 HP
Power Consumption12V @ 230 mA
Power Connectors16 pin EuroRack ribbon, 2.1mm DC barrel
IncludedDC barrel power cable, EuroRack power cable, RCA sync cable
Video SyncRear RCA in & out

System Integration Advice​

Oscillators are essential components of any video synthesizer. The exceptionally wide frequency range of DWO3 allows it to function as a frame-locked or chaotic pattern generator and a low frequency animation controller.

Installation​

Requirements​

  • EuroRack enclosure
  • 12V DC or EuroRack power supply
  • 2.1mm DC barrel power cable or a EuroRack power cable (both options included)
  • Four M2.5 x 6mm mounting screws, or screws provided or specified by the enclosure manufacturer
  • #1 Phillips head screwdriver, or hand tool provided or specified by the enclosure manufacturer

Procedure​

  • Power off and disconnect the EuroRack enclosure's power supply and any attached DC adapters.
  • Connect either the EuroRack Power Cable or the DC Barrel Power Cable to the module. Do not connect both Eurorack and DC Barrel power.
  • Ensure that no mounting screws are in any holes in the area where you wish to mount the module.
  • Carefully test fit the module with its attached power cable in the open space in the EuroRack enclosure. If it is obstructed by the enclosure or any internal assemblies, abort this procedure.
  • Connect the disconnected end of the power cable to the power supply.
  • Connect the sync cable to a sync source or the last module in the sync chain.
  • Mount the module to the EuroRack rails using all mounting holes.
  • Store the unused cable along with the product box in a safe location.
  • Power on the EuroRack enclosure and start patching.

Full Specifications​

 ConnectorsControls
DWO3: labeled front panel controls
JackFunction
J1Osc 1 Exponential Frequency CV in
J2Osc 2 Exponential Frequency CV in
J3Osc 1 Reset in
J4Osc 1 Linear
Frequency CV in
J5Osc 2 Reset in
J6Osc 2 Linear
Frequency CV in
J7Osc 1 Sine out
J8Osc 1 Square out
J9Osc 1 Sine out
J10Osc 2 Square out
J11Osc 1 Sawtooth out
(rising ramp)
J12Osc 1 Triangle out
J13Osc 1 Sawtooth out
(rising ramp)
J14Osc 1 Triangle out
SwitchFunction
S1Osc 1 Range
S2Osc 2 Range
PotFunction
P1Osc 1 Frequency
P2Osc 2 Frequency
P3Osc 1 Exponential Frequency CV Depth
P4Osc 2 Exponential Frequency CV Depth

Technical Data​

Manufacturer Part Number950040
Mounting Width12 HP
Mounting Depth42 mm
Mounting Hole Count4
Power Consumption12V @ 230 mA
Power Connectors16 pin EuroRack ribbon, 2.1mm DC barrel
Input Impedance1M ohms
Output Impedance75 ohms
Input Protection Range+/-20V
Input Clipping Range+/-2.5V
Output Range+/-2.5V
IncludedDC barrel power cable, EuroRack power cable, RCA sync cable
EuroRack Power Cable Type16-pin
EuroRack Power Cable Length25 cm
DC Barrel Power Cable Length25 cm
RoHS ComplianceManufactured with lead-free processes.
Video SyncRear RCA in & out

Maintenance​

Keep your module free of dust and debris by performing periodic cleaning. Spots may be cleaned from the frontpanel with a microfiber cloth and isopropyl alcohol or other electronics cleaner.

Hardware Revisions​

The hardware revision code is printed on the circuit board visible from the rear of the module.