RightHo,JeevesS dS dBOOKMOBI;・ @(t.w 6テ ン GO Oョ XH a` iv rU z・ が 翰 豆 嶄 、ツ ュカ'オ・$セ;&ヌ^(マ.ラロ,灑.陏0 2 4 ・6 ・8 ソ: w $・ [email protected] 6lB? Trivia #3 Computers Trivia #2 Rear Admiral Grace Hopper, the first female admiral in the US Navy is also known in the computer world for creating the popular programming language COBOL. She also came up with the term ‘debugging’ after removing a moth from a computer.

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During in-circuit tests (ICT) all components on the PCB are measured. In doing so, defective components are detected and can be replaced accordingly.

Function tests (FCT) check the entire intended function of a PCB. According to the intended area of use, the environment is replicated and the electrical performance of the PCB is checked.

In order to optimally fulfill the contacting requirements, various test probes are available. These differ in terms of installation height, grid size (possible distance between probes), tip style, and type of connection – see following illustration. The electrical connection is achieved either with a solder cup or wire-wrap, with or without cable (wireless).

Contacting loaded PCBs

  • Standard PIN und PAD contacting
  • Dual-stage contacting
  • Limited space available
  • Contacting of contaminated surfaces
  • Contacting of beads on the PCB
  • Connection without cable
  • Small pads and grids
  • Robust probes for harsh conditions

Thing Thing 2fun In Ict Project

Depending on the PCB to be contacted, and the ambient conditions, INGUN offers a variety of test probes:

Thing Thing 2fun In Ict Igcse

International standard spring-loaded test probes (GKS) (inch)
Available in two different versions: Standard working stroke (4.3 mm) and longer working stroke (9.3 mm) for dual-stage test fixtures to combine ICT and FCT. Wireless receptacles enable the wireless connection of test probes using a transfer PCB.

Test probes have a higher preload in comparison to standard test probes.
This initial higher spring force guarantees a secure contact at the same final load (the spring force is equal to that of the comparable standard test probe at working stroke).

Rotating test probes
Can provide a reliable alternative if contacting problems occur. A rotating movement during the stroke process scratches the surface to be contacted, thus insulating layers are securely penetrated.

Thing Thing 2fun In Ict Technology

Bead test probes
Are used to contact beads on PCBs. A variety of tip styles are available depending on the beads.

Fine-pitch test probes
Are used to contact very small test point in small grids. These are sometimes mounted without receptacles.

Metric test probes (metric standard)

Thing Thing 2fun In Ict Development

In addition to the classic ICT/FCT test probes without collars, the metric standard test probes stand out due to their stability and robustness and all feature a pronounced collar.
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