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  • AMS/AMT series
  • AMS/AMT series

ULTRA HIGH SPEED HIGH VOLTAGE AMPLIFIER

  • Voltage range:
    ±0.6kV to ±10kV
  • Power:
    200W to 100W
  • Slew rate:
    360V/µs
  • Full scale:
    DC to 100kHz
  • Small bandwidth:
    DC to 100kHz
  • CE marking

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 voltagein sine, triangle, sawtooth, and square waves proportional to the input waveform.
We have eight models with output voltage ranging from ±0.6 kV to ±10 kV, which are all solid-state.

FEATURES AND BENEFITS

  • Output ±0.6 kV to ±10 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

  • Electrophotography process
  • Electrorheological (ER) fluids
  • Lighting test for discharge tube, Gas Discharge Tube (GDT)
  • Various electrostatic testing

Models

AMS series: High Speed model
Model Output Slew rate Frequency response (-3dB) *1 CE marking *2
Voltage [kVdc] Current [max] Power [max] Full scale 10% of full scale
AMS-5B6 -5 to +5 kV ±6 mA 30 W 30 V/µs DC to 2 kHz DC to 4 kHz CE mark
AMS-10B2 -10 to +10 kV ±2 mA 20 W 30 V/µs DC to 1 kHz DC to 2 kHz CE mark
AMT series: Ultra High Speed/High Power model
Model Output Slew rate Frequency response (-3dB) *1 CE marking *2
Voltage [kVdc] Current [max] Power [max] Full scale 10% of full scale
AMT-0.6B100 -0.6 to +0.6 kV ±100 mA 60 W 250 V/µs DC to 100 kHz DC to 100 kHz -
AMT-1B60 -1 to +1 kV ±60 mA 60 W 250 V/µs DC to 60 kHz DC to 100 kHz -
AMT-1.5B40 -1.5 to +1.5 kV ±40 mA 60 W 250 V/µs DC to 40 kHz DC to 80 kHz -
AMT-3B20 -3 to +3 kV ±20 mA 60 W 360 V/µs DC to 30 kHz DC to 60 kHz -
AMT-5B20 -5 to +5 kV ±20 mA 100 W 360 V/µs DC to 20 kHz DC to 40 kHz CE mark
AMT-10B10 -10 to +10 kV ±10 mA 100 W 360 V/µs DC to 10 kHz DC to 20 kHz CE mark

*1 Typical value at sine wave.
*2 Conform to CE marking with -CE option selected.

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.

AMS series
Model Output Slew rate Frequency response (-3dB) *
Voltage [kVdc] Current [max] Power [max] Full scale 10% of full scale
AMS-0.6B50 -0.6 to +0.6 kV ±50 mA 30 W 30 V/µs DC to 15 kHz DC to 30 kHz
AMS-1B30 -1 to +1 kV ±30 mA 30 W 30 V/µs DC to 10 kHz DC to 20 kHz
AMS-1.5B20 -1.5 to +1.5 kV ±20 mA 30 W 30 V/µs DC to 6 kHz DC to 12 kHz
AMS-3B10 -3 to +3 kV ±10 mA 30 W 30 V/µs DC to 3 kHz DC to 6 kHz
AMT series
Model Output Slew Rate Frequency Response (-3dB) *
Voltage [kVdc] Current [mA] Power [W] Full scale 10% of full scale
AMT-20B10 -20 to +20 kV ±10 mA 200 W 360 V/µs DC to 5 kHz DC to 10 kHz

Specifications

For details, download the datasheet below.

Options

-LC

Current Limit
Limits the output current at time of overload

-LN

Output state auto-recovery
(former: no power failure 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
(unavailable with -CE option selected)

-L(5m)

High Voltage output cable 5 meters
Note that phenomena such as through rate or response speed reduced, or output waveform distorted may happen.

-CE

Conform to CE marking with Input voltage 100 Vac to 240 Vac
(For available models, see “Models” CE marking)
Conforms to CE marking safety standards with the input voltage 100 Vac to 240 Vac ±10%, 50 Hz/60 Hz, single phase.
* The product is designed to be installed in the customer’s system and so as to meet the requirements of CE marking regarding chassis mounting, noise control, proper protections, and isolated devices. It is not designed to perform alone.

How to order

When ordering, add Option No. to Model No.
(in alphabetical order, followed by number order, input voltage order, and output cable length order. Please add -CE to the end.)
Example: AMS5B6-LC, AMS-5B6-LCN1(230V)(5m)
Example of ordering -CE option: AMS-5B6-CE, AMS-5B6-LCN1(5m)-CE

Accessories

eK-FGJ series | Digital Function Generator | Matsusada Precision
eK-FG2 series | Digital Function Generator | Matsusada Precision
AC input cable
Standard CABLE TYPE1 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision Rated voltage: 125 V
Maximum current: 10 A
(For Japan or North America)
 2.5 meters
Standard
with -L(230V) option		 CABLE TYPE3 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision Rated voltage: 250 V
Maximum current: 10 A
(For Europe) 		2.5 meters
Sold separately
with -L(230V) option		 CABLE TYPE4 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision Rated voltage: 250 V
Maximum current: 10 A
(For Europe)		 2.5 meters

Select an appropriate AC input cable according to your operating environment and region. Please note that other than AC input cables that correspond to the following are to be prepared by customers.

High voltage output cable
Standard CN-40-AHVP CN-40-AHVP 1.5 meters
Standard
with -L(5m) option		 CN-40-AHVP(5) 5 meters

* Standard cable length is 1.5 meters. For 5 meter length, suffix(5) to the model number.
Example CN-120AR-MHVP(5)
For more details, refer to CN series.

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 Ω (at 0.1 μF) to 1000 Ω (at 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.

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