• 32F746GDISCOVERY, Discovery kit with STM32F746NG MCU

    32F746GDISCOVERY, Discovery kit with STM32F746NG MCUDescriptionThe STM32F7 discovery kit allows users to develop and share applications with the STM32F7 Series microcontollers based on ARM® Cortex®-M7

    2019/10/30 fandoukeji

  • customized mini router pcba with dipswitch RS485 RS433 IC rj11 cable

    customized mini router pcba with dipswitch RS485 RS433 IC rj11 cable Specification Specification parametersWorking frequencysingle frequency 2.4 GHzWireless standardsIEEE 802.11 n,IEEE 802.11 g,IEEE 8

    2019/10/30 fandoukeji

  • Clearance

    ClearanceMargin, clearance, empty ringIt refers to the hollow ring formed by etching the copper foil around the through hole if the conductor surface of the multi-layer board is not connected with the

    2019/08/08

  • Center spacing

    Center-to-Center SpacingRefers to the Nominal Distance between the center and the center of any two conductors on the board. If the conductors are arranged continuously with the same width and spacing

    2019/08/08

  • CAD Computer Aided Design

    CAD Computer Aided DesignComputer Aided Design uses special software and hardware to digitalize the layout of circuit boards (Layout) and convert digital data into original negatives by an optical plo

    2019/08/08

  • Bus Bar

    bus barIt refers to the cathode or anode pole itself on the plating bath, or the cable connected to it. In addition, in the "process" circuit board, the outer edge of the golden finger is cl

    2019/08/08

  • Buried Via Hole

    Buried Via HoleBuried guide holeIt refers to the local through hole of multi-layer plate. When it is buried in the inner layer of multi-layer plate, it becomes an "inner through hole" and do

    2019/08/08

  • Disconnectable plate

    Break-away panelDisconnectable plateRefers to many small area circuit boards, in order to facilitate the downstream assembly line plug-in, placement, welding and other operations, in the PCB process,

    2019/08/08

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