4-Quadrant Power Supply TOE 7620

- 4-Quadrant 전원공급기
- DC to 100 kHz
- 320 W 소스 및 싱크 전원
- 최대 25 V/μs의 High slew rate
- 작은 신호폭(4Vpp) : 400 kHz
- ± 320 W / ± 100 V  / ± 30 A

General
4-quadrant power supplies or 4-quadrant amplifiers are instruments that are capable to provide positive and negative output voltages as well as positive and negative output currents.

Laboratory power supplies are usually only single quadrant power sources. They are only able to deliver power with one single polarity, i.e. these instruments only work in one quadrant of the output voltage/ current diagram. Common amplifiers deliver voltages with both polarities, but are generally unable to absorb power values in a range comparable to that which they are able to deliver. They therefore mainly work as two-quadrant devices.

The TOE 7620 series of 4-quadrant power supplies is able to work as a power sink as well as a power source with equal values of delivered or absorbed power. Thus a TOE 7620 series power supply is bipolar voltage and current source, and a current sink in one instrument and can replace a combination of single components. Frequent problems with the interaction of individual components and unexpected oscillations now belong to the past.

Features of the standard delivery

Selectable input voltage range
The input voltage range can be set to a range of ±5 V or ±10 V. Therefore no further external adaptation of the control voltage is necessary.

Variable DC offset
The DC offest voltage at the output can be adjusted to any value within the rated output voltage range. The external control voltage will be amplified and superimposed to the DC offset. This way the ripple voltage in an on-board supply system can easily be simulated.

Adjustable output impedance
The output impedance is adjustable in the range from 0 to 0.5 Urated / Irated.

Short-time load current
All 4-quadrant power supplies of the TOE 7620 series can be equipped with the TOE 7620/103 option to deliver three times the rated current for approx. 3 ms.

Output ON/OFF
A convenient feature is the output switch-off which allows immediate shut down of the output voltage and current when in the “Output OFF“ position. Additionally the output will be isolated!

Special features
- 320 W source and sink power
- Extended power output with parallel units on request
- Short-time load current 3 x Irated (option)
- Analog control input 0 to 5 V or 0 to 10 V
- Slew rate approx. 6 V/μs to 25 V/μs (depends on model)
- Adjustable output impedance
- Sensing inputs
- Output at front, optional at rear
- 19“ rack mountable, 3 HU
- Optimally suitable for electrical noise testing of components against vehicle electrics ripple

Technical data

  TOE 7621-10 TOE 7621-20 TOE 7621-40 TOE 7621-60 TOE 7621-80 TOE 7621-100
Output voltage
Output current
± 10 V
± 30 A
± 20 V
± 16 A
± 40 V
± 8 A
± 60 V
± 5.3 A
± 80 V
± 4 A
± 100 V
± 3.2 A
Power (continuously at Imax)
Source mode
Sink mode

300 W
300 W

320 W
320 W
Frequency range
DC input coupling
   Bandwidth unlimited
   Bandwidth limited
AC input coupling
   Bandwidth unlimited
   Bandwidth limited


0 Hz - 100 kHz
0 Hz - 100 Hz / 1 kHz / 10 kHz

2 Hz - 100 kHz
2 Hz - 100 Hz / 1 kHz / 10 kHz
Amplifier
Input voltage range ± 5 V
Input voltage range ± 10 V
Variable gain

6 dB
0 dB
± 1 dB

12 dB
6 dB
± 1 dB

18 dB
12 dB
± 1 dB

21.6 dB
15.6 dB
± 1 dB

24.1 dB
18 dB
± 1 dB

26 dB
20 dB
± 1 dB
Input impedance

100 kΩ
 
Max. input voltage
   (continuous)
12 Vrms
 
Slew rate appr. 6 V/μs appr. 10 V/μs appr. 16 V/μs appr. 25 V/μs
Harmonic distortion
up to 1 kHz
up to 100 kHz

< 0.25 %
< 1.00 %

< 0.10 %
< 0.80 %

Order informations + Options

 

Ordering data

4-quadrant power supply
TOE 7621-10 DC - 100 kHz,      ± 10 V /  ± 30 A
TOE 7621-20 DC - 100 kHz,      ± 20 V /  ± 16 A
TOE 7621-40 DC - 100 kHz,      ± 40 V /    ± 8 A
TOE 7621-60 DC - 100 kHz,      ± 60 V / ± 5.3 A
TOE 7621-80 DC - 100 kHz,      ± 80 V /    ± 4 A
TOE 7621-100 DC - 100 kHz,    ± 100 V / ± 3.2 A


Options

TOE 7620/113 Short-time current 3 x Irated for approx 3ms
TOE 7620/101 Circuitry for bridge connection
TOE 7620/102 Parallel switching adapter 2 x TOE 7621
TOE 7620/103
Parallel switching adapter 3 x TOE 7621
TOE 7620/017 Floating input DC ... 100 kHz
TOE 9513
19" rack mount adapter, 3 HU

Supplied accessories
- 1 power cord
- 1 instuction manual

    Short-time current 3 x Irated with option TOE 7620/103











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Including  comprehensive Waveform libraries 
For individual purposes: Intuitive operation and  waveform creation 
Supporting the following normative Tests of the Automotive Industry:
BMW GS 95024 2-1  •  LV 124  •  MBN 10615  •  VW80000-1
BMW GS 95026  •  LV 148  •  VDA 320   •  VW821

   



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