SMUs bring precision sourcing and measurement together in a single, unified instrument. Designed for modern semiconductor and electronic component testing, they deliver stable voltage and current output while capturing high-resolution measurement data in real time. This tight integration reveals device characteristics that traditional bench setups often miss, enabling faster, more confident design decisions.
With wide dynamic ranges, low noise, and smooth transitions between operating modes, SMUs support everything from simple biasing to advanced I-V sweeps and pulse testing. Engineers rely on them to characterize diodes, transistors, sensors, and silicon photonics with accuracy and repeatability.
By consolidating multiple instruments into one, SMUs simplify test setups, reduce measurement uncertainty, and streamline workflows in R&D, design validation, and production test.
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GS200 |
GS610 |
GS820 |
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Function |
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Generation |
Voltage or Current |
Voltage or Current |
Isolated 2 Channel Voltage/ Voltage Current/Current Voltage/Current |
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Generation Mode |
DC or Pulse |
DC or Pulse |
DC or Pulse |
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Voltage Generation |
10mV to 30V Resolution to 100 nV |
200 mV, 1 µV Resolution to 110 V |
200 mV, 1 µV Resolution to 18 V |
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Current Generation |
1mA to 200 mA Resolution at 10nA |
20 µA, 100 pA Resolution to 3.2 A |
200 nA, 1 pA Resolution to 3.2 A |
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Sweep Modes |
Linear, Log, Program |
Linear, Log, Program |
Linear, Log, Program |
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Measurements |
Voltage, Current, Resistance |
Voltage, Current, Resistance |
Voltage, Current, Resistance |
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Data Storage |
Up to 10K Data Points |
Up to 65.5K Data Points |
Up to 100K Data Points |
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Pulse Width |
10 µsec or greater |
100 µsec to 3600 sec, 1 µsec resolution |
50 µsec to 3600 sec, 1 µsec resolution |
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Period Time |
0.1 sec to 3600 sec |
1 mS to 3600 sec, 1 µsec resolution |
100 µsec to 3600 sec, 1 µsec resolution |
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Output Noise (Typical) |
100 µVp-p (10 V range, DC to 10 kHz) 3 µAp-p (100 mA range, DC to 10 kHz) |
8 mV P-P DC to 20 MHz |
20 mV P-P DC to 20 MHz |
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Interface |
GPIB and USB Standard |
GPIB, USB & RS232 Standard, Ethernet Optional |
GPIB, USB, RS232 and Ethernet all standard |
Source measure units are versatile devices that can precisely source, as well as monitor voltage and current. Because of this, there are numerous applications where these devices find use cases.
Source measure units combine the best features of power supplies and digital multimeters and have numerous applications ranging from battery simulators, semiconductor characterization, and efficiency testing on power electronics.
The AC Power Input in all Yokogawa instruments is designed as a 3-pin connection (one of which is a GND pin). In some parts of the world, PCs are sold with AC power cables that are 2-pin. Often times this means the ...
The following attached document details the typical output noise of the GS200 Voltage / Current Source from DC to 20 MHz.
This is a list of command mnemonics which can be used to describe the GS610 Source Measure Unit program pattern file.○:Setting has changed successfully△:Setting has been received but failed×:Setting has not been ...
The GP-IB command of the GS200 DC Voltage / Current Source shares the same mode as the 7651. It can be switched to 488.2 mode.
It is possible to connect multiple GS units in series/parallel connections to boost the maximum voltage/current, provded the values are within the range of maximum voltage/current of those limiters. To amplify the ...
The GS610/GS820 Multi Channel Source Measure Unit output is insulated from the cover case. Therefore, if you want to amplify the output voltage more than 1 unit (or 1 ch) you must connect the system in series. If you want to increase the output ...