Datasheet
Page 4
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Superior Resolution and Wide Bipolar Ranges Meet your Most Challenging Test
and Evaluation Needs
ADC
Resolution Steps
Min
Step
Voltage
Conventional power
supply resolution
(4.5 digit/ Min 100 µV)
B2961A/B2962A
resolution
(6.5 digit/ Min 1 µV)
8-bit 256 3.9 mV
10-bit 1,024 1.0 mV
12-bit 4,096 244 µV
14-bit 16,384 61 µV
16-bit 65,536 15 µV
6.5 digit resolution enables precise
analog-to-digital converter evaluation
One area where power supply sourcing resolution is important is
analog-to-digital converter (ADC) evaluation. For an 8-bit ADC,
a 1 V (peak to peak) signal would have a minimum step voltage
of 3.9 mV. In this case a power source with 4.5 digit resolution
is sufficient to use for the DC input voltage. However, for an
ADC with 14-bits or more, 4.5 digit resolution is not enough. In
this case the B2961A/B2962A’s best-in-class 6.5-digit sourcing
resolution is required in order to properly evaluate the ADC
circuit.
Wide bipolar range (100 nV to 210 V, 10 fA to
10.5 A) permits characterization of many types of
devices and samples
The wide bipolar (four-quadrant) voltage and current ranges of
the Keysight B2961A/B2962A are capable of supporting both
current and future testing needs. In addition, since they support
both very small and very large current and voltage signal levels
the B2961A/B2962A can often replace several other bench-top
instruments. As shown in Figure 2, you can program any voltage
and current value within the B2961A/B2962A’s wide output range
without worrying about any zero-crossing glitches.
Fast settling time increases your test efficiency
Unlike most conventional power supplies/sources, the Keysight
B2961A/B2962A can quickly settle to their final value with
6.5 digit resolution throughout their entire output ranges. This
reduces test times and improves measurement efficiency,
especially when making multiple tests in sequence. See Figure 3.
Figure 1. Resolution comparison: ADC with 1 Vpp (Full Scale)
Figure 3. Fast settling time than conventional DC sources
Figure 2. Wide bipolar voltage and current ranges
(4-quadrant operation)