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  • DOC series | Bipolar power supply (Low Voltage Amplifiers) | Matsusada Precision
  • DOC series | Bipolar power supply (Low Voltage Amplifiers) | Matsusada Precision

High Voltage Bipolar Power Supply

High Voltage of 1000V, Fast Response of 10kHz

  • Voltage range: ±0.5kV, ±1kV
  • Current: 50 to 200mA
  • Frequency bandwidth:
    DC to 10 kHz (at CC mode)
  • High-speed response

High Voltage/Fast Response Four-Quadrant Bipolar Power Supply

DOC series is ±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

  • High voltage output up to 1000V
  • Compact, high voltage, and high power
  • Four-quadrant output (Source and Sink are available.)
  • CV (constant voltage)/CC operation (constant current) is selectable.
  • Universal AC input supported
  • High-speed response, 10 kHz

Models

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

Specifications

For details, download the datasheet below.

Options

-LN

Automatic output recovery (previous: no power failure protection)

This option retains the output state when recovering from an input power interruption, such as an AC power switch ON/OFF or a power failure. Therefore, there is no need to reset the protection status by turning off the OUTPUT switch once.
Caution: If you turn on the power while the OUTPUT setting is ON, the output will be ON.

How to Order

When ordering, add "-LN" after Model No.

Accessories

Function Generator

AC input cable

[Standard] CABLE TYPE1 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision 125 V / 10 A 2.5 meters

Fixed length

[Sold separately] CABLE TYPE3 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision 250 V / 10 A 2.5 meters

Fixed length

[Sold separately] CABLE TYPE4 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision 250 V / 10 A 2.5 meters

Fixed length

* Please use appropriate AC cable.

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 an 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

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