Keysight Technologies N2791A - Characteristics

10 Keysight N2791A/N2891A High-Voltage Differential Probes User Guide
Characteristics
Characteristics
Characteristics for the N2791A and N2891A high-voltage differential
probes are shown below. The probe / oscilloscope should be warmed up
for at least 20 minutes before any testing and the environmental
conditions should not exceed the probe’s specified limits.
Table 2 Electrical Characteristics
Description N2791A without the N7013/14A
Extreme Temperature Probing Kit
*
N2791A with the N7013/14A Extreme
Temperature Probing Kit
*
N2891A
*
Bandwidth (-3 dB) >25 MHz (driving 1 MΩ oscilloscope
input)
25 MHz (driving 1 MΩ oscilloscope
input)
70 MHz (driving 1 MΩ
oscilloscope input)
Attenuation ratio 10:1, 100:1 (switchable) 10:1, 100:1 (switchable) 100:1, 1000:1 (switchable)
Probe Risetime
(10%-90%)
14 ns 14 ns 5 ns
Absolute Maximum Rated
Input Voltage (each side to
ground)
1000 Vrms CAT III 1000 Vrms CAT III 5000 Vrms
mains isolated
Maximum Differential
Input Voltage (DC + AC
Peak)
±70 V at 10:1 attenuation
±700 V at 100:1 attenuation
±70 V at 10:1 attenuation
±700 V at 100:1 attenuation
±700 V at 100:1 attenuation
±7000 V at 1000:1 attenuation
Maximum Common Mode
Input Voltage
±70 V at 10:1 attenuation
±700 V at 100:1 attenuation
±70 V at 10:1 attenuation
±700 V at 100:1 attenuation
±7000 V at 10:1 attenuation
±7000 V at 1000:1 attenuation
Input Impedance 4 MΩ, 10 pF (each side to ground)
8 MΩ, 5 pF (between inputs)
4 MΩ, 10 pF (each side to ground)
8 MΩ, 5 pF (between inputs)
50 MΩ, 10 pF (each side to
ground)
100 MΩ, 5 pF (between inputs)
Output Voltage Swing ±7 V (driving 1 MΩ oscilloscope input) ±7 V (driving 1 MΩ oscilloscope input) ±7 V (driving 1 MΩ
oscilloscope input)
Offset (typical) ±7.5 mV (adjustable) ±7.5 mV (adjustable) ±5 mV (adjustable)
CMRR (typical) -80 dB at 60 Hz, -40 dB at 1 MHz -80 dB at 60 Hz, -40 dB at 1 MHz -80 dB at 50 Hz, -60 dB at 20
kHz
Power Requirements 4 AA batteries or USB power adapter
(5 V/200 mA, 9 V/120 mA)
4 AA batteries or USB power adapter
(5 V/200 mA, 9 V/120 mA)
4 AA batteries or USB power
adapter (5 V/200 mA, 9 V/120
mA)
Battery Life 15 hours (alkaline battery) 15 hours (alkaline battery) 11.5 hours (alkaline battery)
Battery/Power Cord The supplied voltage must be less than 12 V and greater than 4.4 V or else the probe could be damaged
* All are typical