• DOC series
  • DOC series

DOC series

High Voltage Bipolar Power Supply

  • Max Voltage: 1kV
  • Max Current: 200mA
  • Frequency bandwidth:
    DC to 10 kHz (at CC mode)
  • High-speed response

High Voltage/Fast Response Four-quadrant bipolar power supplies

DOC series are ±500 V/±1000 V high voltage four-quadrant bipolar power supplies. With its feature of voltage limit and current limit setting at will. It will drastically reduce the risk of applying excessive stress on your load. The output terminal is available on the front panel for excellent operability.

Features and Benefits

  • Compact, high voltage, and high power
  • Four-quadrant output (Source and Sink are available.)
  • CV (constant voltage)/CC operation (constant current) is selectable.
  • Voltage limit, Current limit setting feature
  • High-speed response, 10 kHz

Models

Model Output Frequency bandwidth (-3 dB)
Voltage [V] Current [mA] CV CC
DOC500-0.1 0 to ±500 0 to 100 DC to 10 kHz DC to 5 kHz
DOC500-0.2 0 to ±500 0 to 200 DC to 10 kHz DC to 5 kHz
DOC1000-0.05 0 to ±1000 0 to 50 DC to 10 kHz DC to 5 kHz
DOC1000-0.1 0 to ±1000 0 to 100 DC to 10 kHz DC to 5 kHz

Specifications

For details, download the datasheet below.

Options

-LN: No protection against blackout

How to Order

To order, please add the above following option mark to the model number.

Input cable

CABLE TYPE 1 (standard)

Power supply input terminal
CABLE TYPE1 Power Input End
Input terminal type
CABLE TYPE1 Input Plug
Note
  • 3 pin plug (Type-A)
  • Inlet type
  • 115 V input
  • Single phase (3 pin)
  • Black color

When using DOC series under the environment that input voltage is 200 Vac, please purchase this CABLE TYPE3 separately.

Power supply input terminal
CABLE TYPE3 Power Input End
Input terminal type
CABLE TYPE3 Input Plug
Note
  • Open terminal
  • Inlet type
  • 220 V input
  • Single phase (3 pin)
  • Black color

Dimensions

For details, download the datasheet below.

Tech Notes

Capacitive Load

When a capacitive load is more than 100 pF (including a stray capacitance of output wire), the resonance in the output may occur. In that case, install 100-ohm (@0.1 μF) to 1000-ohm (@1000 pF) of high voltage resistance in the output in series. Please note that the frequency band will be limited as the formula written in the right figure when an amplifier is used with a capacitive load.
In addition, when an amplifier is used for the use such as a corona discharge, the current which is higher than rating will flow and it will affect the amplifier badly. In this case, as well as the time to use an amplifier with a capacitive load, please install the output resistance and limit the current.

* Please avoid continuous inputting of high frequency signal which reduces output frequency of an amplifier. An amplifier will be broken because of increase of internal loss.

This image explains frequency band when a capacitive load is connected.

Read more

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Bipolar power supplies/High voltage Amplifiers