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  • FAQ: What are printed circuit board (PCB) test points?
    A surface-mount test point is basically a small wire loop designed as an attachment point for test probes on a circuit board containing surface-mount components. It is relatively small, about the same size as a standard chip capacitor package.
  • What is a Test Point?
    A test point is a small metal terminal used as a connection point to test circuitry on printed circuit boards (PCBs). Typical PCB test points are wire formed loops surrounded by colored insulators. The insulator color allows the test points' type or location to be mapped on the PCB, thereby
  • UltraPad (R) Silicone Press Pad with Excellent Mar Resistance (Press Pads for Flex and Rigid Flex PCB Lamination)
    of the potential to cause lamination induced defects in the PCB. A test method is developed to quantify mar resistance in this paper. The factors for mar resistance such as temperature, pressure, time, press pad thickness, and crosslink density of silicone rubber are analyzed. This paper also introduces
  • Multi-Layer PCBs
    The printed circuit boards (PCBs) that are ubiquitous today were originally called printed wiring boards (PWBs) and began entering commercial devices in the 1950s. Back then, engineers would be lucky if they could do away with the point-to-point wiring that was common at the time and get even
  • Testing & Matching PCB Antennas
    Connecting to an Antenna Under Test (AUT) integral to a Device (DUT) may involve some tradeoffs between measurement accuracy, electrical considerations, and mechanical ruggedness. In this paper, we describe some aspects of this connection with practical advise for such test and measurement
  • Application: Function PCB Testers Use Reed Relays
    Functional PCB testers are in some cases, up to 20 layers thick, requiring 1000s of test points for functional verification. Because of size restrictions, isolation, relatively fast acting and good RF characteristics, reed relays are often chosen as the testing switch.
  • 3D Line Confocal Sensor for PCB Via Inspection
    This article is an application case of using Hypersen's 3D line confocal sensor to detect the depth and diameter of PCB via. The content can be divided into five parts. The first part is Project Requirements, PCB via hole depth and diameter measurement. The second part is Product model. Considering
  • A SIMPLE APPROACH TO SIGNAL VIA STUBS FOR COAXIAL PCB CONNECTOR LAUNCHES
    In my work as a Signal Integrity/RF engineer, I. have many customers who request assistance in designing their printed circuit board (PCB) launches for coaxial test connectors. (For example,. see Molex part number 73387-0020.) Customers. typically use these connectors on PCBs designed to test

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