6241A DC voltage current source/monitor

Not distributed in North America & Asia

6241A DC voltage current source/monitor
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6241A DC voltage current source/monitor
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6241A DC voltage current source/monitor
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6241A DC voltage current source/monitor, Front view6241A DC voltage current source/monitor, Back view6241A DC voltage current source/monitor, Side view

Key facts

  • 0 to ±32 V / 0 to ±500 mA
  • 4-quadrant supply with pos./neg. output voltage, useable as DC sink
  • Source and measurement with a base accuracy of ±0.02 %
  • High source (10 µV/1 nA) and measurement (1 µV/100 pA) resolution
  • Pulse generation and measurement with min. pulse width of 50 µs
  • ADCMT logo
  • Radome pulse sweep logo

4-quadrant precision DC power supply with measurement and pulse generation capability

6241A is a DC voltage and current source/monitor with high-performance features including a source display resolution of 4½ digits, measuring display resolution of 5½ digits and base accuracy of 0.02 %. It can operate as voltage source or as a real current source in DC, sweeped or pulsed operation. High resolution and extended protection tools make it perfect for testing sensitive electronic components.

Features & benefits

Voltage and current source mode

Source and measurement functions
 

The 6241A can be used as a power source  in a wide range of applications such as for evaluation purposes in research and development of semiconductors and other electronic components or for characteristic test systems on a production line. Current, voltage and resistance measurements can be made in voltage source mode and in current source mode.

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Several source modes

DC, pulse, DC sweep and pulse sweep source modes

The 6241A has four source modes – DC, pulse, DC sweep and pulse sweep. The sweeps can be realized as four sweep types: fixed, linear, random and two-slope linear. The two-slope linear sweep is useful for non-linear parameter tests. The unit can generate minimal pulse widths down to 50 µs and minimal periods down to 500 µs. 
The 6241A can operate as a voltage source or as real current source. Like any SMU, the unit also offers precise measurement capabilities.

Sweep and pulse sweep capabilities
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Sweep and pulse sweep capabilities

There are four source modes: DC, pulse, DC sweep and pulse sweep. The sweeps can be realized as four sweep types: fixed, linear, random, two-slope linear.

Fast response and low noise

Linear operation concept

The 6241A features low noise combined with fast output response behavior. A 0 to 3 V voltage step can typically be realized within 8.5 µs (0 % to 90% rise). The output noise there is about 2.2mV (peak-to-peak for a measurement bandwidth of DC to 20 MHz. The unit can be operated in two different output response modes (fast or slow). Its low frequency ripple is below 500 µV and it has very low switching noise for range-crossing sweeps. 4-wire and 2-wire operation is possible.

Fast response combined with low noise
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Fast response combined with low noise

High DUT protection

Precise and fast limiters
 

The 6241A has precise and fast acting high-resolution-setting limiters: current limiters for voltage operation mode and voltage limiters for current operation mode. Based on its individual high and low limiter setting capability, it is  possible to prevent overload or reverse polarity conditions at DUTs, which  are usually operated in current mode and  will switch off after reaching a specific voltage level. This  protects against latch-up effects.

Individual settings of HI/LO limiters
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Individual settings of HI/LO limiters

Suspend function with HiZ/LoZ

The 6241A supports three different output OFF states: STBY (output relay OFF), HiZ (output relay ON, high resistance state), LoZ (output relay ON, low resistance state). This eliminates unnecessary ON/OFF relay operations, which increases the average life span. Setting  a specific suspend voltage other than 0 V prevents transitional current suctions occuring at connected buffer devices, e.g. batteries.

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Extended measurement

Fast, precise, convenient analysis­

  • Voltage, current, resistance measurements
  • ­Fast sample and waveform buffer (8000 readings)
  • ­Calculation functions (MIN, MAX, AVE, TOTAL, scaling)
  • ­Fast comparator calculations with output signal (HI, LO, GO)
  • ­Null calculation
  • ­Sample & hold measurements with 100 µs integration time

Different measurement functions; sample & hold measurements; different measurement timing
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Different measurement functions; sample & hold measurements; different measurement timing

Perfect system integration

Convenient trigger and synchronization capabilities
 

The 6241A allows precise source/measurement timing. Pulse width, pulse period, source delay, measurement window and measurement delay can be precisely defined with up to 1 µsec resolution. Other hardware trigger/sync signals allow  interoperability with other instruments in time-critical applications. It is possible to cascade multiple units even under pulsed conditions, e.g. to increase the output power. GPIB and USB interfaces are standard.

Precise source/measurement timing
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Precise source/measurement timing

Specifications
Sourcing capability
Number of channels1
Output methodbipolar
Max. output power16 W
Operation modes (DUT independent)CV with current limiter / CC with voltage limiter
Output waveformsDC, DC Sweep, Pulse, Pulse Sweep, Fixed, Linear, 2-slope linear, Arbitrary
Output OFF statusstandby / suspend HiZ / suspend LoZ
Sinking capability
Neg. output current continuous (pulsed)-0.5 A
SMU capability
SMU functionsVSIM / VSVM / VSRM / ISVM / ISIM / ISRM
Sourcing voltage
Max. output voltage±32 V
Source ranges voltage30 / 3 / 0.3 V
Source resolution voltages1000 / 100 / 10 µV
Basic accuracy voltage ±0.02 % of setting
1-day stability voltage±0.01 % of setting
Temperature coefficient voltage (0° to 50°)±15 ppm of setting/°C
Linearity±3 digits
Line regulation±0.003 % of range
Load regulation±0.003 % of range
Noise voltage (20 MHz/100 Hz)4 / 0.05 mVpk-pk
Sourcing voltage timing
Settling time at full scale voltage change300 / 1500 µs
Sourcing current
Max. output current continuous (pulsed)±0.5 A
Source ranges current500 / 300 / 30 / 3 / 0.3 / 0.03 mA
Source resolution current20 / 10 / 1 / 0.1 / 0.01 / 0.001 µA
Basic accuracy current±0.03 % of setting
Noise current (20 MHz/100 Hz)0.15 / 0.00001 mApk-pk
Sourcing current timing
Settling time at full scale current change700 / 3000 µs
Limiter capabilities
Voltage limiter resolution10 / 1 / 0.1 mV
Voltage limiter basic accuracy 0.05 %
Current limiter resolution 100 / 100 / 10 / 1 / 0.1 / 0.01 µA
Current limiter basic accuracy0.045 % of setting
Limiter HI-LO couplingbalanced / individual
Measure voltage
Measure ranges voltage30 / 3 / 0.3 V
Measure resolution voltage100 / 10 / 1 µV
Basic accuracy voltage±0.02 % of reading
1-day stability voltage ±0.008 % of reading
Temperature coefficient voltage (0° to 50°)±15 ppm of reading/ °C
Measure input resistance voltage> 1 GΩ
Measure current
Measure ranges current500 / 300 / 30 / 3 / 0.3 / 0.03 mA
Measure resolution current 1 / 1 / 0.1 / 0.01 / 0.001 / 0.0001 µA
Basic accuracy current±0.03 % of reading
1-day stability current±0.01 % of reading
Temperature coefficient voltage (0° to 50°)±20 ppm of reading/ °C
Measure resistance
Resist. meas. max. value/resol.1.6 GΩ / 2 µΩ
Waveform output
Sweep typesFixed / linear / 2-slope linear / arbitrary
Waveform memory capacity8000
Minimum pulse width50 µs
Maximum pulse width60 sec
Minimum period500 µs
Maximum period60 sec
Minimum time resolution1 µs
Data acquisition system
Data memory capacity8000
Integration times0.1 / 0.5 / 1 / 10 / 16.7 / 20 / 100 / 200  ms; S&H
CMRR @ 1PLC120 dB
NMRR @ 1 PLC60 dB
Calculation functionsNull / Min / Max / Ave / Total / Hi / Lo / Go / Scaling
Interoperability
Ext. Control signalsTrigger-In , Complete-Out/Sync-Out, Interlock/Operate-In/Operate-Out
InterfacesUSB, GPIB
Special feature
Special Feature
Dimension
Dimensions (W x H x D)212 mm x 88 mm x 400 mm

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