• AMP series
  • AMP series

AMP series

Ultra high speed HV amplifier

  • Max Voltage:
    ±600V to ±40kV
  • Max Current:
    ±10mA to ±2000mA
  • Max Power: 100W to 1200W
  • Max slew rate: ≥ 700V/µs
  • Full scale:
    DC to 40kHz
  • Small bandwidth:
    DC to 60kHz
  • CE marking
    (For some models)

Additional output ranges for solar battery panel evaluations!

AMP series is an ultra fast response high voltage amplifier. It realized as fast as 700 V/µs even with load, and approximately two times faster than existing models. With the capability of peak current output of three times, it suppress the distortion of waveform when with capacitive load.

CE (Low Voltage Directive) approved.

Applications

  • Solar battery panel evaluations
  • Corona discharge
  • Electrophotography process
  • Electrorheological fluid
  • Various electrostatic testing
  • Beam deflection
  • Electrostatic chuck
  • Breakdown voltage testing
  • Lighting discharge tube

Models

Models with ±40 kV or more are available. Consult with our representatives.

Model Output Slew Rate Frequency Response (-3 dB) *1 Safety Standards
Voltage Current (DC + AC) Maximum
Power [W]
Full scale *2 Small band width
(10% of full scale)
AMP-0.6B2000 -600 V +600 Vdc ±2000 mA max and
±4000 mApk 1 ms max
1200 ≥ 300 V/µs DC to 40 kHz DC to 60 kHz CE mark
AMP-1B1200 -1 kV to +1 kVdc ±1200 mA max and
±2400 mApk 1 ms max
1200 ≥ 300 V/µs DC to 30 kHz DC to 50 kHz CE mark
AMP-2B200 -2 kV to +2 kVdc ±200 mA max and
±400 mApk 1 ms max
400 ≥ 700 V/µs DC to 20 kHz DC to 50 kHz CE mark
AMP-5B80 -5 kV to +5 kVdc ±80 mA max and
±160 mApk 1 ms max
400 ≥ 700 V/µs DC to 10 kHz DC to 30 kHz CE mark
AMP-10B10 -10 k to +10 kVdc ±10 mA max and
±40 mApk 1 ms max
100 ≥ 700 V/µs DC to 7 kHz DC to 25 kHz CE mark
AMP-10B40 -10 k to +10 kVdc ±40 mA max and
±120 mApk 1 ms max
400 ≥ 700 V/µs DC to 7 kHz DC to 25 kHz CE mark
AMP-20B20 -20 kV to +20 kVdc ±20 mA max and
±60 mApk 1 ms max
400 ≥ 700 V/µs DC to 4 kHz DC to 20 kHz CE mark
AMP-30B10 -30 kV to +30 kVdc ±10 mA max and
±30 mApk 1 ms max
300 ≥ 360 V/µs DC to 1 kHz DC to 5 kHz -
AMP-40B20 -40 kV to +40 kVdc ±20 mA max and
±40 mApk 1 ms max
800 ≥ 360 V/µs DC to 1 kHz DC to 5 kHz -

CE mark: Conform to the CE (with low voltage directive) marking

  1. Typical value at sine wave operation with resistive load
  2. Near to the upper limit frequency, output voltage may be clipped due to the power limitation.

Functions

For measuring voltage and current

When the voltage at load is lower than the rated maximum output of AMP series, constant voltage and high speed operation is possible by sinking the output current with current sink feature.

As example of solar battery application, cell/panel voltage and current data can be obtained by logging the change of current sink by changing the voltage to solar battery cell/panel gradually. At that time with its high slew rate of 300 V/µs AMP can get more detailed sampling. AMP is a bipolar power supply with 0 crossing, and so, it can measure the output short current at 0 V. Moreover, it can output peak current of three times more than rated current (at DC). (see a chart)

OUTPUT RANGE

(Example: AMP-10B10)
OUTPUT RANGE

* Output rms must be within 2 A

Suitable for the trend to higher voltage for cell/panel evaluation

Voltage rating required for solar battery (panel) evaluation is getting higher and higher. AMP series added more lineups raging from ±600 V to ±30 kV to meet the demand for evaluation of higher voltage solar battery panel as well as evaluation of cell/panel with wider output range.

High speed response of slew rate 700 V/µ s *

* Change model to model

VOLTAGE RISE WAVEFORM

VOLTAGE RISE WAVEFORM

Achieving the slew rate of 700 V/µs at the actual load, AMP series offers a solution to "response delay in actual operation with the load".

In addition, the series is suitable for developing the high speed printers and the material evaluation testing.

Example of waveform model AMP-20B20
Operation condition Vcon-in = ± 10 V Vout = ± 20 kV
RL = 1 MΩ   F = 1.25 kHz
Slew rate SR = 32 kV/40 µs > 700 V/µs

Specifications

For details, download the datasheet below.

Options

-LC: Current limit *

The output is not cut off but it is limited in the event of lowering output voltage at overcurrent level.

-LCc: Variable current limit *

The output is not cut off but it is limited in the event of lowering output voltage at overcurrent level.

Using the potentiometer on the front panel, the limit current value can be adjusted in the range of 10% to 105% of the rating.

-LCx: Variation of current cutoff + Variable current limit*

Both of -LOc (Variation of current cutoff) and -LCc (Variable Current limit) are switchable.

NOTE: As for models with -LCx option, the CE marking Low Voltage directive is not applicable.

-LN: Cancellation of blackout protection

-LOc: Variation of current cutoff current setting value*

Using the potentiometer on the front panel, the limit value to cut off the output current can be adjusted in the range of 10% to 105% of the rating.

-L(5m): HV output cable 5 m (more than 2 kV models except for AMP-30B10 and AMP-40B20)

When using a cable with 5 m long, phenomena such as lower through rate or response speed or output waveform distortion may occur easily. Be careful to use it. For details, refer to "capacitive load".

* These options can be chosen only one either. Selecting multiple options is unavailable at the same time.

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:
AMP-10B10-LCN(5m)
AMP-2B200-LNOc(5m)

Dimensions

For details, download the datasheet below.

Cable

Input cable

Standard

AMP-10B10
CABLE TYPE 1
125 V
  • CABLE TYPE 1 Power Input End
  • CABLE TYPE 1 Input Plug
300 W and 400 W models
CABLE TYPE 3
250 V
  • CABLE TYPE 3 Power Input End
  • CABLE TYPE 3 Input Plug
800 W, 1200 W models
CABLE TYPE 5
250 V
  • CABLE TYPE 5 Power Input End
  • CABLE TYPE 5 Input Plug

Output cable

Less than 1 kV models
using terminal board 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)
AMP-20B20
CN-40-AHVP TU*: HV output cable 1.5 m (standard)
CN-40 AHVP TU(5)*: HV output cable 5 m (-L(5m) option)
AMP-30B10
AMP-40B20
CN-50-AHVP: HV output cable 3 m (standard)

* TU: With silicon tube

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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Bipolar power supplies/High voltage Amplifiers