Agilent Technologies N2783B Manual de usuario descargar pdf (Pagina 20)

Notice how closely output matches input. Graph

shows V

and V

out

when driven from a 25Ω

source.

The flat response means the waveform on the

scope screen will match the waveform at the

probe tip—across an entire 4GHz bandwidth.

Graph shows response (V

out

Single-ended Active Probes - 1156A/57A/58A Active Probes

Operating characteristics

1156A/57A/58A

Bandwidth (–3 dB) 1156A: > 1.5 GHz; 1157A: > 2.5 GHz; 1158A: > 4 GHz

System bandwidth (–3 dB) 1158A with DSO/DSA90404A, DSO/MSO9404A: 4 GHz

1157A with DSO/DSA90254A, DSO/MSO9254A: 2.5 GHz

1156A with DSO/MSO9104A: 1 GHz

1156A with DSO/MSO9064A: 600 MHz

Rise and fall time (10% to 90%)

calculated from t

= 0.35/band-

width

1156A: < 233 ps; 1157A: < 140 ps; 1158A: < 88 ps

Input capacitance 0.8 pF

Input resistance* 100 kΩ 1%

Flatness, swept response 0.2 dB: 100 kHz to 100 MHz;

0.4 dB: 100 MHz to 2.5 GHz;

2.0 dB: 2.5 GHz to 4.0 GHz

Flatness, step response ±6.75 V dc to 100 Hz; ±1.25 V >100 Hz

10% overshoot: 75 ps input edge; 2%: 1 ns after edge

Dynamic range** > 5.0 V peak-to-peak

DC attenuation* 10:1 ± 3% before calibration****;

10:1 ± 1% after calibration****

Zero offset error referred to input* < 30 mV before calibration****;

< 5 mV after calibration****

Offset range* ±15.0 V

Offset accuracy* < 3% of setting before calibration****;

1% of setting after calibration****

Noise referred to input 3.0 mVrms

Propagation delay 5.5 ns

Maximum input voltage 40 V peak, CAT I***

ESD tolerance > 5 kV from 100 pF, 300 Ω HBM

Temperature drift Offset: < 1.0 mV/°C; Attenuation (Gain): 0.1 %/°C

* Denotes warranted specifications, all others are typical.

** For waveforms with edges > 3 ns, the dynamic range is > 12.0 V peak-to-peak.

*** Installation category (over voltage category) I: Signal level, special equipment, or parts of equipment,

telecommun nication, electronic, etc., with smaller transient overvoltage than installation category (overvoltage

category) II.

**** Probe calibrated to scope channel (under Probes Setup menu).

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Agilent Technologies N2783B Manual de usuario Pagina 20

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