DoepferA-183-4 Quad Level Shifter


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Doepfer A-183-4

The Doepfer A-183-4 is a quad digital level shifter, useful for changing the levels of and buffering clock and gate signals. It can be used to change a +5V gate signal into a +12V gate signal, or inversely, it can be used to shift a +12V gate signal to a +5V gate signal. There is a jumper to set the global behavior of level shifting. There is normalization between the channels, so a signal present at input 1 will appear at all four outputs. Voltages below 0.8V are treated as low and voltages above +3V are considered high.

Note: this module is only intended to be used with gate and trigger signals; it is not compatible with continuous voltages.

A-183-4 Features

  • Four-channel gate/trigger level shifter
  • Buffer and level shift digital signals
  • Internal normalization between channels
  • Shifts level either up or down, set by jumper
  • Cannot be used with continuous analog signals
  • Eurorack module
  • Width: 4hp
  • Depth: 40mm
  • Current draw: 30mA @ +12V, 0mA @ -12V
Doepfer A-183-4 Quad Level Shifter Reviews