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High-Frequency Active Single-ended Probe
Agilent 1156A High-bandwidth Active Single-ended Voltage
• 1.5 GHz probe bandwidth;
< 233 ps rise/fall time
• 100 kΩ, 0.8 pF non-resonant
input impedance
• Small size for easier probing
• Compatible with 6000 Series
oscilloscopes (300 MHz -
1 GHz only)
The Agilent 1156A is a 1.5 GHz
active probe for use with Agilent
6000 Series or Infiniium oscillo-
scopes. Its high bandwidth
(1.5 GHz), low input capacitance
(< 0.8 pF) and high input resist-
ance (100 kΩ) input minimizes
ultra low loading of the DUT,
making it ideal for the companion
for the new 6000 Series oscillo-
scopes. When used with the 6000
Series, the 1156A offers you a full
bandwidth of the scope to the
probe tip, giving you the accurate
insight into your hi-speed device.
Incorporating the most advanced
mechanical and electrical design
technologies, the 1156A provide
smaller, lighter and more rugged
probe tip that enable direct and
easy access to fine pitch ICs and
components. With the 1156A
probe, a damping resistor is
placed as close as possible to the
point being probed, which keeps
the input impedance from res-
onating low, and it also allows a
flat frequency resonance across
the entire bandwidth of the
probe. The 1156A is designed to
withstand 40 V peak AC input
and > 5 kV of ESD, so it will func-
tion reliably in adverse condition.
Key Specifications – Operating Characteristics
Probe Bandwidth (–3dB) > 1.5 GHz
Rise and Fall Time (10% to 90%) 233 psec
Calculated from tr=0.35/bandwidth
System Bandwidth (–3dB) 1156A with MSO/DSO610xA: 1 GHz
Input Capacitance 0.8 pF
Input Resistance 100 kΩ ±1%
Input Dynamic Range ±2.5 V
DC Attenuation 10:1 ± 3% before calibration
10:1 ± 1% after calibration
Offset Range ±15.0 V
Offset Accuracy < 3% of setting before calibration
1% of setting after calibration
Maximum Input Voltage 40 Vpeak, CAT I
ESD Tolerance > 5 kV from 100 pF, 300 Ω HBM
Maximum Number of Probes 4
Supported by 6000 Series
Ordering Information for Agilent 1156A active probe
1156A 1.5 GHz single-ended active probe
Accessories
E2637A Precision measurement kit (includes 2 solderable ground sockets
with 2 green resistive signal pins)
E2638A Solderable-tip 5 cm resistive signal leads (10) with ground leads (3)
For more comprehensive informa-
tion about 1156A active probe,
refer to the Agilent 1156/57/58A
Active Probes Product Overview
with Agilent literature number
5988-3361EN.
Agilent 1156A active probe with
accessories
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