AMP Series

AMP: ultra high speed high voltage amplifier

Amplifier AMP Series

Additional output ranges for solar battery panel evaluations!

AMP series is an ultra high speed high voltage amplifier. It realized as fast as 700V/μs even with load, and approximately 2 times faster than existing models. With the capability of peak current output of 3 times, it suppress the distortion of waveform when with capacitive load.

For measuring voltage and/or 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 300v/μs AMP can get more detailed sampling. AMP is a bi-polar power supply with 0 crossing, and so, it can measure the output short current at 0V. Moreover, it can output peak current of 3 times more than rated current (at DC).

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 ±600V to ±30kV to meet the demand for evaluation of higher voltage solar battery panel as well as evaluation of cell / panel with wider output range.

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AMP datasheet

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Amplifier AMP Series Output range


High speed response of slew rate 700V/μs *

*Change model to model

Amplifier AMP Series Voltage rise waveform

Slew rate with actual load is as high as 700v / μs, and solve the problem of "When actual operation with load, the response become slow."
Ideal for higher speed printer or material evaluation testing.

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


Output Model
Voltage[kV] Current[mA] Slew Rate[V/μs]
±0.6 ±2000 ≧300 AMP-0.6B2000
±1.0 ±1200 AMP-1B1200
±2.0 ±200 ≧700 AMP-2B200CEマーク*
±5.0 ±80 AMP-5B80CEマーク*
±10.0 ±10 AMP-10B-10 CEマーク*
±40 AMP-10B40CEマーク*
±20.0 ±20 AMP-20B20CEマーク*
±30.0 ±10 ≧360 AMP-30B10
±40.0 ±20 AMP-40B20
*:They comply with the low voltage directive.
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AMP datasheet

DIMENSIONS inch (mm)

Amplifier AMP Series Functions 1
Amplifier AMP Series Functions 2


Input cable

Amplifier AMP Series Input cable

Output cable
  • 800V to 10kV models
    CN-40-AHVP HV output cable 1.5m (standard)
    CN-40-AHVP (5) HV output cable 5m (-L (5m) option)
  • AMP-20B20
    CN-40-AHVP TU* HV output cable 1.5m (standard)
    CN-40 AHVP TU (5)* HV output cable 5m (-L (5m) option)
  • AMP-30B10, AMP-40B20
    CN-50-AHVP HV output cable 3m (standard)
  • Less than 600V models
    using terminal board output line 1.5m (standard)

* TU: With silicon tube


-LOcAdjustable cut-off current setting value *

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.

-LCCurrent limit *

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

-LCcVariable 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.

-LNCancellation of blackout protection
-L (5m)HV output cable 5m (more than 1kV models except AMP-30B10 and AMP-40B20)

Please note that using 5-meter long cable may decrease slew rate, response time, and distort output waveforms.

* These options cannnot be selected together. Need to be selected either one.

Capacitive Load

When a capacitive load is more than 100pF (including a stray capacitance of output wire), the resonance in the output may occur.
In that case, install 100-ohm (@0.1μF) to 1000-ohm (@1000pF) 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 which reduces output frequency of an amplifier.
An amplifier will be broken because of increase of internal loss.
Technical Knowledge
Irems=6.28FCVrms Irms=2.2FCVp-p

How to Order When ordering, suffix -L mark (option mark) to the model number.
[e.g.] AMP-10B10-LCN (5m), AMP-2B200-LNOc (5m)

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AMP datasheet

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