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  • COR series | High Voltage Amplifier | Matsusada Precision
  • COR series | High Voltage Amplifier | Matsusada Precision

Constant Voltage and Constant Current High Voltage Amplifier

  • Max Voltage:
    -10 to +10 kV
  • Max Current:
    -2 to +2mA
  • Max Power: 20W
  • Max slew rate:
    more than 30V/µs
  • Full scale:
    DC to 1kHz

Best for corona current control

COR-10B2 is a bipolar high speed High Voltage amplifier developed with our long experience and expertise in High Voltage power supply field. High performance and reliability is achieved by all-solid-state configuration.

Features and Benefits

  • COR is the high voltage amplifier which can be controlled with CC mode and CV mode.
  • Return current terminal is standard and best for corona current control
  • Four-quadrant output ±10 kV, ±2 mA

Applications

  • Photosensitive drum testing
  • Experiment of corona discharge
  • Research and Development of electro photographic process

Models

Model Output Slew rate Frequency response
(-3 dB)
Voltage Current Max power
COR-10B2 -10 to +10 kV -2 to +2 mA 20 W more than 30V/µs DC to 1kHz

* Typical value at sine wave.

Functions

Corona current control (return current control)

When a High Voltage power supply is used to charge the photo sensitive drum, in most case the purpose is to control the drum current (Id). A Normal power supply can only control the drum current (Id) and lead current to shield. (fig 1.)
Using the RTN terminal COR enables you to control the drum current (Id) precisely even if the drum is grounded or not. (fig2. and 3.)

Amplifier COR Series Corona current control Amplifier COR Series Corona current control Amplifier COR Series Corona current control

Output range

HV amplifier is generally equipped with the "sink" function for output currents that provides constant voltage operation without regard to the type of load whether it is capacitive or conductive.
As it gives fast response, it is an ideal power supply for applications which require AC output. COR series is bipolar type and can be operated in full four-quadrant area. (I·II·III·IV area)

Output range

Specifications

For details, download the datasheet below.

Options

-L(230V)
Input Voltage AC 230 V ±10% single phase
-L(5m)
High Voltage output cable 5 meters
Please note that using the 5 meters long cable may decrease slew rate, response time, and distort output waveforms.

How to Order

When ordering, add Option No. in the following order by input voltage, and output cable length to Model No.
Example: COR-10B2-L(230V)(5m)

Accessories

AC Input Cable
Sold separately CABLE TYPE1 CABLE TYPE1 | AC input cable | Matsusada Precision CABLE TYPE1 | AC input cable | Matsusada Precision 125 V / 10 A 2.5 meters

Fixed length

Sold separately
[with -L(230V) option]
CABLE TYPE3 CABLE TYPE3 | AC input cable | Matsusada Precision CABLE TYPE3 | AC input cable | Matsusada Precision 250 V / 10 A 2.5 meters

Fixed length

Sold separately
[with -L(230V) option]
CABLE TYPE4 ABLE TYPE4 | AC input cable | Matsusada Precision ABLE TYPE4 | AC input cable | Matsusada Precision 250 V / 10 A 2.5 meters

Fixed length

Please see CABLE series datasheet for details.

Output Cable
Standard CN-40-AHVP CN-40-AHVP 1.5 meters
Standard
[with -L(5m) option]
CN-40-AHVP(5) CN-40-AHVP(5) 5 meters

Function Generator

Dimensions

For details, download the datasheet below.

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