Agilent Technologies N1022A Manuel d'utilisateur télécharger pdf (Page 36)

Probing Accessories

Wedge Adapters

Agilent Wedge Probe Adapters

• Secure connection to 0.5 mm and

0.65 mm TQFP and PQFP devices

• Won’t fall off, short against

adjacent legs, or degrade

signal quality

• Can be inserted while the

board is active

• 3, 8, and 16 signal versions

The Agilent Wedge Probe Adapter

provides a highly reliable,

mechanically non-invasive con-

nection to fine-pitch TQFP and

PQFP surface mount ICs.

Compressible dual conductors

inserted in the space between

adjacent IC pins conform to the

size and shape of each pin to

ensure tight contact. The redun-

dant physical connection created

by two contact points on each pin

of the IC and the short electrical

length of the probe adapter dra-

matically increase the reliability

of the electrical connection.

Because the Wedge does not latch

directly onto the IC and does not

require expansion beforehand

(unlike a clip) it can be inserted

while the board is active.

Once the Wedge is inserted you

can easily complete the connec-

tion to your scope. The Wedge

connects directly to the 1155A

and the 117XA family of low-mass

probes and the dual-lead adapter

provided with the 116XA passive

probe family.

For more information on how the

Wedge Probe Adapter works with

your Infiniium scope, please refer

to “Related Literature” at the

back of this document.

Figure 9.1. Agilent Wedge Probe Adapters for

secure connections to TQFP and PQFP devices.

Specifications

Operating Characteristics

Operating voltage < 40 V (dc + peak ac)

Operating current 0.5 A maximum

Capacitance between contacts 2 pF (typical); 4.3 pF at 1 MHz (Agilent E2643A/44A)

Self-inductance 15 nH (typical); 37 nH at 1 MHz (Agilent E2643A/44A)

Contact resistance < 0.1 Ω

Ordering Information

Part # Description Quantity

E2613A IC pin spacing: 0.5 mm, 3 signal 1

E2613B IC pin spacing: 0.5 mm, 3 signal 2

E2614A IC pin spacing: 0.5 mm, 8 signal 1

E2615A IC pin spacing: 0.65 mm, 3 signal 1

E2615B IC pin spacing: 0.65 mm, 3 signal 2

E2616A IC pin spacing: 0.65 mm, 8 signal 1

E2643A IC pin spacing: 0.5 mm, 16 signal 1

E2644A IC pin spacing: 0.65 mm, 16 signal 1

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 42

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Agilent Technologies N1022A Manuel d'utilisateur Page 36

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