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Accessory Details

Pico Hooks / QFP IC Clips

You can use pico hooks or QFP IC clips to make connections to components or

wires with leads that are 1.01 mm (0.04 inches) in diameter or smaller. With

today’s miniature IC- and component-packaging techniques, the pico hooks or

QFP IC clips can make probing challenging devices much easier. Most users

prefer to attach the clips/hooks to the probe via the dual lead adapter as shown

in the picture below. Press the back of the pico hooks to extend the grasping

hook and then release to tighten the hook around the component you are testing.

Press the lever on the QFP IC clip to extend the grasping jaws.

IC Caps

The IC caps fit over the probe tip and provide a convenient self-aligning

connection to IC pins. This helps maintain contact on small fine pitch legs and

prevents shorting adjacent pins by preventing the probe tip from sliding between

the legs of the component.

pico hook

adapter

QFP IC Clip

Содержание N2879A

Страница 1: ...User s Guide Keysight N2879A Fine Pitch Accessory Kit ...

Страница 2: ...2 Contents N2879A Fine Pitch Accessory Kit 3 Safety Information 4 Accessory Details 5 ...

Страница 3: ...ing on page 5 Accessory Quantity Spring loaded probe tips gold plated 0 5 mm 5 Rigid probe tips CuBe 0 5 mm 5 Ground blade 2 5 mm 3 Ground spring 2 5 mm 3 Dual adapter 2 5 to 0 8 mm sockets 2 Pico hook black 2 Pico hook red 2 IC cap 2 5 0 5 mm green 3 IC cap 2 5 0 65 mm blue 3 IC cap 2 5 0 8 mm gray 3 IC cap 2 5 1 0 mm brown 3 IC cap 2 5 1 27 mm black 3 PCB adapter kit 2 5 10 Insulating cap 2 5 mm...

Страница 4: ...e sure the probe and the oscilloscope are grounded properly Connect and Disconnect Properly Connect the probe to the oscilloscope and connect the ground lead to earth ground before connecting the probe to the circuit under test Disconnect the probe input and the probe ground lead from the circuit under test before disconnecting the probe from the oscilloscope Observe Probe Ratings Do not apply any...

Страница 5: ...result in being unable to remove the tip and or damaging the probe Once the probe tip is removed the new tip can be inserted with pliers into the contact socket along the axis of the probe In order to insert the probe tip completely into the housing carefully press the probe tip against a hard surface Warnin g Exercise caution when using these sharp probe tips to avoid personal injury Spring loade...

Страница 6: ...be while in use You can also bend and form the blade to reach your grounding location The ground spring offers similar performance as the ground blade and depending on the probing situation may offer greater flexibility when making a ground connection The ground spring is also inserted over the probe tip in a similar manner It is mainly used for browsing as it is flexible and snaps back to origina...

Страница 7: ...an used to connect to connector headers or to other accessories like the QFP clips or pico hooks see the picture in the Pico Hook section of this manual The sockets accept 0 56 0 86 mm round and 0 64 mm square 0 022 0 034 inch round and 0 025 inch square diameter pins The maximum insertion depth is 7 5 mm 0 295 inch and the outer insulation of the socket is 2 2 mm maximum 0 87 inch You can use it ...

Страница 8: ...hooks to the probe via the dual lead adapter as shown in the picture below Press the back of the pico hooks to extend the grasping hook and then release to tighten the hook around the component you are testing Press the lever on the QFP IC clip to extend the grasping jaws IC Caps The IC caps fit over the probe tip and provide a convenient self aligning connection to IC pins This helps maintain con...

Страница 9: ... measured and refer to the table on page 3 to see what pitch each color corresponds to The IC caps are compatible with both the rigid and spring loaded tips Below is a simplified drawing showing how the caps fit around the IC pins and where the probe tip comes through the cap IC pin IC pin IC pin probe tip IC Cap pitch ...

Страница 10: ...anied your N2870A Series probe The PCB socket is compatible with hand soldering and reflow processes After soldering the socket both the signal contact and ground contact to the board simply insert the probe The PCB adapter is compatible with either the rigid or spring loaded probe tip Insulator Cap This cap is meant to fit over the probe tip and cover the ground barrel of the probe covering any p...

Страница 11: ...mm 0 025 inches and the spring is electrically insulating The clip s clamping range is 0 8 mm 0 0 3 inches 2 Leg Probe Positioner The 2 leg probe positioner can be used for quick and stable hands free browsing The positioner has three different sized apertures into which various sized probes can be placed To use first determine the appropriate aperture for your probe Then insert your probe and arr...

Страница 12: ...12 Accessory Details ...

Страница 13: ...gerous electric shock do not perform any service unless qualified to do so Do not attempt internal service or adjustment unless another per son capable of rendering first aid and resuscitation is pres ent Do not install substitute parts or perform any unauthorized modification to the instrument Capacitors inside the instru ment may retain a charge even if the instrument is discon nected from its s...

Страница 14: ...his document is provided as is and is subject to being changed without notice in future editions Further to the maximum extent permit ted by applicable law Key sight disclaims all warranties either express or implied with regard to this manual and any information contained herein including but not limited to the implied warranties of merchantabil ity and fitness for a particu lar purpose Keysight ...

Страница 15: ......

Страница 16: ...Keysight Technologies Printed in Germany April 2009 Manual Part Number N2879 97000 N2879 97000 ...

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