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B2911A

Precision Source/Measure Unit

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06 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet

Unmatched Bench-top SMU Measurement Performance

Source and measurement resolution down to

10 fA and 100 nV

The Keysight B2900A Series consists of four models primarily

differentiated by number of channels (one or two) and mea-

surement and sourcing resolution. The B2901A (single channel)

and B2902A (dual channel) versions possess 100 fA and 100 nV

measurement resolution and 1 pA and 1 μV sourcing resolution.

The B2911A (single channel) and B2912A (dual channel) precision

versions possess 10 fA and 100 nV of resolution for both

measurement and sourcing. All members of the Keysight B2900A

Series support popular banana jack style inputs for cost-effective

and flexible connectivity; for low-current measurements below

1 nA, banana jack to triaxial adapters are available.

Capture transient phenomena effortlessly

The Keysight B2900A Series supports a high speed sampling

measurement function that permits the capture and display of

low frequency transient phenomena. The Keysight B2901A and

B2902A support a 20 μs (50,000 points/s) sampling rate and the

Keysight B2911A and B2912A support a 10 μs (100,000 points/s)

sampling rate. Of course, the maximum achievable sampling rate

depends on many factors including signal level, ambient noise

and desired resolution.

4-wire measurement capability permits accurate

low resistance measurement

When measuring small resistances the innate cable resistance

can create serious measurement error. To solve this, the Keysight

B2900A Series supports a 4-wire (also known as a remote sense

or Kelvin connection) measurement function. In the 4-wire

scheme two of the connectors force current and the other two

connectors measure voltage. Since the connectors measuring

voltage do not have any current flowing through them, they can

accurately sense the actual voltage at the DUT.

Measure large capacitive loads without oscillation

Large capacitive loads can sometimes cause SMUs to oscillate.

To mitigate this, the B2900A Series supports a high capacitance

measurement mode. The high capacitance mode enables the

measurement of large capacitive loads without having to worry

about SMU oscillation.

You can make and display accurate low-current measurements directly on the

B2900A front panel.

Roll view mode allows you to capture low-frequency transient phenomena.

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