Agilent Technologies 41A Specifikace stáhnout pdf (Strana 30)

100

101

Probe and Pod Grounding

Each pod is grounded by a long, black, pod ground lead. You can connect the

ground lead directly to a ground pin on your target system or use a grabber.

To connect the ground lead to grounded pins on your target system, you

must use 0.63-mm (0.025-in) square pins, or use round pins with a diameter

of 0.66 mm (0.026 in) to 0.84 mm (0.033 in). The pod ground lead must

always be used.

Each probe can be individually grounded with a short black extension lead

that connects to the probe tip socket. You can then use a grabber or the

grounded pins on your target system in the same way you connect the data

lines.

When probing signals with rise and fall times of ≤ 1 ns, grounding each probe

lead with the 2-inch ground lead is recommended. In addition, always use

the probe ground on a clock probe.

Probe Leads

The probe leads consists of one 12-inch, twisted-pair cable; one ground tap;

and one grabber. The probe lead, which connects to the target system, has

an integrated RC network with an input impedance of 100 kΩ in parallel with

approximately 8 pF, and all in series with 250 Ω. The probe lead has a

two-pin connector on one end that snaps into the probe housing.

Probe Ground Lead

Probe lead connector

Probe ground

Probing

General-Purpose Probing System Description

2–6

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 412 413

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Agilent Technologies 41A Specifikace Strana 30

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