• AMPS Series
  • AMPS Series

AMPS Series

Ultra high speed high voltage amplifier

  • Max Voltage:
    ±400V to ±20kV
  • Max Current:
    ±20mA to ±2000mA
  • Max Power: 400W to 1200W
  • Max slew rate: 1200V/µs
  • Full scale:
    DC to 100kHz
  • Small bandwidth:
    DC to 200kHz

Maximum slew rate 1200 V/µs!

AMPS series is an ultra-high speed high voltage amplifier. It realized high voltage output of ±20 kHz and very high slew rate 1200 V/µs. The high current type of peak current 4 A is also selectable.

Features and Benefits

Ultra high slew rate 1200 V/µs

±10 kV output model and ±20 kV output model achieved the conventional double high-speed response of slew rate 1200 V/µs. Laser modulation and beam deflection at unprecedented high speed are possible.

High-speed response of frequency bandwidth 100 kHz

Frequency bandwidth with actual load is as high as 100 kHz, and solve the problem of "When actual operation with load, the response become slow." Ideal for higher speed printer or material evaluation testing.

Voltage rise waveform (at ±600 V, ±2 A output)
Model : AMPS-0.6B2000 (at rated load)

Amplifier AMPS Series Frequency response

For measuring voltage and/or current

When the voltage at load is lower than the rated maximum output of AMPS series, constant voltage and high speed operation is possible by sinking the output current with current sink feature. As example of the development of ceramic and electrophotography process, by current sink, it is possible to absorb the voltage of a capacitive load quickly or to perform diselectrification smoothly. And, because of double peak current of rated current in DC output, particularly, rise characteristics for the capacitive load can be improved.

Amplifier AMPS Series Output range

Applications

  • Beam deflection
  • Laser modulation
  • Ceramic materials testing
  • HV cable testing
  • Electrophotography process
  • Piezo drive
  • Evaluations of solar battery panel, secondary battery or display
  • Various electrostatic testing

Models

Model Output Voltage Output Current
(DC+AC)
Rated output
power
Slew Rate Frequency Response (-3 dB)
(Typical value at sine wave operation with resistive load)
Full scale (-1 dB) * Small band width
(10% of full scale)(-3 dB)
AMPS-0.4B2000 ±400 V ±2000 mA max and
±4000 mApk 1mS
800 W 400 V/µs DC to 100 kHz DC to 200 kHz
AMPS-0.6B2000 ±600 V ±2000 mA max and
±4000 mApk 1mS
1.2 kW 500 V/µs
AMPS-2B200 ±2 kV ±200 mA max and
±400 mApk 1 mS
400 W 1000 V/µs DC to 80 kHz DC to 160 kHz
AMPS-5B80 ±5kV ±80 mA max and
±160 mApk 1 mS
DC to 50 kHz DC to 100 kHz
AMPS-10B40 ±10 kV ±40 mA max and
±120 mApk 1 mS
1200 V/µs DC to 20 kHz DC to 40 kHz
AMPS-20B20 ±20 kV ±20 mA max and
±60 mApk 1 mS
DC to 10 kHz DC to 20 kHz

*At frequency of full scale,output voltage may be clipped by power limitation.

Options

-LOc: Adjustable cut-off current setting

Limit setting value to trigger to cut off the output current becomes variable by adjusting the potentiometer on the front panel between the range 10% to 105% of the rated current.

-LC: Current Limit

Output current will not be cut off but will be regulated by lowering the output voltage at a occurence of overcurrent.

-LCc: Variable current limit

Output current will not be cut off but will be regulated by lowering the output voltage at a occurence of overcurrent.
The setting value to trigger to regulate the output current becomes variable by adjusting the potentiometer on the front panel between the range 10% to 105% of the rated current.

-LN: Cancellation of blackout protection

-L(5m): HV output cable 5 m (more than 2 kV models)

Please note that using 5-meter long cable may decrease slew rate, response time, and distort output waveforms. Please see "Capacitive load" for details.

How to Order

When ordering, suffix the above option number to the model number. Note that selecting -LOc, LC, and -LCc together is not allowed.
[Example]
AMPS-0.6B2000-LC

Cable

Input cable

400 W models

CABLE TYPE3 (Option)

Inlet type/Flying lead/250 V rated/Single phase (3-core)/
Black

  • CABLE TYPE3
  • CABLE TYPE3

800 W, 1200 W models

CABLE TYPE5 (Standard)

M4 roand terminal x3/Flying lead/
250 V rated/Single phase (3-core)/Black

  • CABLE TYPE5
  • CABLE TYPE5

The length is 2.5 m for both. Please see CABLE series datasheet for details.

Ouput cable

Less than 600 V models

Using terminal block output line 1.5 m (Standard)

2 kV to 10 kV models

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

2 kV to 10 kV models

AMPS-20B20

CN-40-AHVP TU
HV output cable 1.5m (standard)
CN-40 AHVP TU(5)
HV output cable 5m (-L(5m) option)

AMPS-20B20

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.

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