The N2831A Series InfiniiMax III+ probing system is the next generation of InfiniiMax probing, greatly expanding the measurement capability and usability of a probe capable of measuring all the components of a differential signal. The built-in InfiniiMode technology allows customers to switch differential, single-ended, and common mode without adjusting probe tip connections.
| Benefits |
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| The N2831A Series probe’s InfiniiMode provides the following mode of operation: | A – B (differential)
A – ground (signal singled A)
B – ground (signal singled B)
(A + B)/2 – ground (common mode)
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| Specifications |
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N2831A
InfiniiMax III+ Series Probe Amplifier
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| Feature | Parameter |
| Bandwidth | 8 GHz (-3 dB)
Tr = 54.25 psec (10-90%)
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| Input Range | DC attenuation ratio: 10:1 or 5:1
Input voltage range: 2.5 Vpp or ± 1.25 V at 5:1 attenuation, 5 Vpp or ± 2.5 V at 10:1 attenuation
Input common mode range: ± 7 VDC to 100 Hz, ± 1.25 V at >100 Hz at 5:1 attenuation, ± 2.5 V > 100 Hz at 10:1 attenuation
Offset range: ± 16 V when probing a single-ended signal
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| Input Impedance | DC input resistance : R diff = 100 kΩ ± 2%, R se = 50 kΩ ± 2%
Input resistance at > 10 kHz: R diff = 1 kΩ, R se = 500 Ω
Input capacitance : C diff = 32 fF, C se = 44 fF (with ZIF probe head)
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| Connectivity | N2848A InfiniiMax III QuickTip probe head and N5445A InfiniiMax III browser
N5439A InfiniiMax III ZIF probe head
N5444A InfiniiMax III 2.92 mm/3.5 mm/SMA probe head
N5441A InfiniiMax III solder-in probe head
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| Specifications |
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| InfiniiMax III Series Probe Amplifier |
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| Model Overview |
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| Model | Description | Recommended Oscilloscope |
| N2830A | 4 GHz InfiniiMax III+ probe amplifier | Infiniium 90000A and S-Series |
| N2831A | 8 GHz InfiniiMax III+ probe amplifier | Infiniium 90000X/Q Series 20 GHz models |
| N2832A | 13 GHz InfiniiMax III+ probe amplifier | Infiniium 90000X 13 GHz and 90000A models |
