Agilent Technologies N2783B Manual de usuario descargar pdf (Pagina 19)

19

• Ideal for a range of hi-speed,

single-ended applications

• 88 ps rise time (on 4 GHz model)

• 100 kΩ, 0.8 pF, non-resonant

input impedance

• 5 V peak-to-peak dynamic range

• ± 15 V offset

• Accessories designed for

minimal device loading and

optimal response

• Small size for easier probing

As the speeds in your design increase, you

may notice more overshoot, ringing, and

other perturbations when connecting an

oscilloscope probe. Probes form a resonant

circuit where they connect to the device. If

this resonance is within the bandwidth of

the oscilloscope probe you are using, it will

be difficult to determine if the measured

perturbations are due to your circuit or the

probe.

These probes are compatible with the

AutoProbe interface, which completely con-

figures the oscilloscope for use with the

probe. Power for the active probe is sup-

plied by the oscilloscope.

Faithful reproduction of your signal

Now you can accurately measure your hi-

speed signals without introducing errors

from a probe that has a resonant input

impedance or non-flat frequency response.

With the 1156A/57A/58A probes, a damp-

ing resistor is placed as close as possible to

the point being probed, which keeps the

input impedance from resonating low, and it

also allows a flat frequency response across

the entire bandwidth of the probe. Finally,

there is a high-bandwidth active probe

where the waveform onscreen matches the

waveform at the probe tip. The 1158A

offers a flat response for the entire band-

width of a 4GHz probe!

Small size

Have you experienced problems with large,

clunky probes? If so, you probably found

your probe awkward to hold and had diffi-

culty connecting to your signals. With the

small size of the 1156A/57A/58A, you can

handle the probe expertly and gain access

to tight spaces. Plus, the low mass makes

the probe more durable. Agilent makes your

job easier–giving you performance that is

easy to use.

Superior accessories

Your device under test (DUT) determines

the type of probing accessories you need.

Of course, there are electrical trade-offs

depending on the type of connection you

use. Longer connections from your DUT

produce lower performance probing sys-

tems.

Agilent offers a variety of accessories opti-

mized to give you the most accurate repro-

duction of your signal. In addition, the per-

formance of each accessory is characterized

to fit your needs. Now you can make

informed decisions and get the best mea-

surement for your environment. Superior

performance combined with the knowledge

to use it–that’s how Agilent helps you do

your job better.

Agilent 1156A/57A/58A active probe for hi-speed signals.

Probe with resistive signal pin and ground blade.

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

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