• AMS/AMT series | High Voltage Amplifier | Matsusada Precision
  • AMS/AMT series | High Voltage Amplifier | Matsusada Precision

AMS/AMT series

Ultra High Speed High Voltage Amplifier

  • Max Voltage:
    ±600V to ±20kV
  • Max Current:
    ±10mA to ±100mA
  • Max Power:
    60W to 200W
  • Max slew rate:
    360V/µs
  • Full scale:
    DC to 100kHz
  • Small bandwidth:
    DC to 100kHz

Rack mountable type High Voltage Amplifier

AMS/AMT series are a rack mountable, fast response, high voltage operational amplifier that have been developed base on our many years of experience and expertise in high voltage. With a fast response up to 100 kHz, the AMS/AMT series can output high voltage in sine, triangle, sawtooth, and square waves proportional to the input waveform. We have lined up nine models with output voltage ranging from 600 V to 20 kV, which are all solid-state.

Features and Benefits

  • Output ±600 V to ±20 kV
  • High speed response, max. 100 kHz
  • Various types of output wave forms according to the input wave
  • DC bias function
  • DC output voltage monitor (3.5-digit digital meter)

Applications

  • Beam deflection
  • Corona discharge
  • Dielectric withstand test
  • Electrostatic chuck
  • Electrophotography process
  • Electroviscosity fluid
  • Lighting test for discharge tube
  • Various electrostatic testing

Models

AMS series: High Speed model

Model Output Slew Rate Frequency Response (-3dB) *
Voltage [kVdc] Current [mA] Power [W] Full scale 10% of full scale
AMS-5B6 -5 to +5 +6 30 30 V/µs DC to 2 kHz DC to 4 kHz
AMS-10B2 -10 to +10 +2 20 30 V/µs DC to 1 kHz DC to 2 kHz

AMT series: Ultra High Speed/High Power model

Model Output Slew Rate Frequency Response (-3dB) *
Voltage [kVdc] Current [mA] Power [W] Full scale 10% of full scale
AMT-0.6B100 -0.6 to +0.6 +100 60 250 V/µs DC to 100 kHz DC to 100 kHz
AMT-1B60 -1 to +1 +60 60 250 V/µs DC to 60 kHz DC to 100 kHz
AMT-1.5B40 -1.5 to +1.5 +40 60 250 V/µs DC to 40 kHz DC to 80 kHz
AMT-3B20 -3 to +3 +20 60 360 V/µs DC to 30 kHz DC to 60 kHz
AMT-5B20 -5 to +5 +20 100 360 V/µs DC to 20 kHz DC to 40 kHz
AMT-10B10 -10 to +10 +10 100 360 V/µs DC to 10 kHz DC to 20 kHz
AMT-20B10 -20 to +20 +10 200 360 V/µs DC to 5 kHz DC to 10 kHz

* Typical value at sine wave.

Discontinued models

The following model is no longer available as we have stopped the production and sales. AMPS-0.6B2000 is available as the successor model.

Model Output Slew Rate Frequency Response (-3dB) *
Voltage [kVdc] Current [mA] Power [W] Full scale 10% of full scale
AMS-0.6B50 -0.6 to +0.6 +50 30 30 V/µs DC to 15 kHz DC to 30 kHz
AMS-1B30 -1 to +1 +30 30 30 V/µs DC to 10 kHz DC to 20 kHz
AMS-1.5B20 -1.5 to +1.5 +20 30 30 V/µs DC to 6 kHz DC to 12 kHz
AMS-3B10 -3 to +3 +10 30 30 V/µs DC to 3 kHz DC to 6 kHz

Specifications

For details, download the datasheet below.

Options

-LC: CURRENT LIMIT

Limits the output current at time of overload

-LN: Cancellation of blackout protection

-L1: Output current monitor

-10 V to +10 V from BNC connector on front panel
(output impedance 1 kΩ up to 2 kHz bandwidth)

-L(230V)

Input Voltage 230 Vac ±10% single phase

-L(5m): HV output cable 5m

Note that phenomena such as through rate or response speed reduced, or output waveform distorted may happen.

How to order

When ordering, add Option No. in the following order by alphabet, number, input voltage, and output cable length to Model No.

Example:
AMS5B6-LC
AMS-5B6-LCN1(230V)(5m)

Accessories

Function Generator

Input cable

Standard
CABLE TYPE 1
125 V/10 A
  • CABLE TYPE 1 Power Input End
  • CABLE TYPE 1 Input Plug
Sold separately for -L(230V) option
CABLE TYPE 3
250 V/10 A
  • CABLE TYPE 3 Power Input End
  • CABLE TYPE 3 Input Plug

The length of each cable is 2.5 m. (See CABLE series datasheet for details.)

Output cable

Standard
CN-40-AHVP
HV output cable 1.5 m
CN-40-AHVP output cable
Sold separately for -L(5m) option
CN-40-AHVP(5)
HV output cable 5 m
CN-40-AHVP(5) output cable

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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