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20 mil RO4003C PCB
20 mil RO4003C PCB
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  • What is High Frequency PCB?
    • 2020.07.18
    What is High Frequency PCB?

    What is High Frequency PCB? Just as its name implies, high frequency is that the frequency is relatively high, generally refers to the frequency of >=300 MHz (i.e. wave length <=1m), that is, the usual radio frequency band. The electromagnetic wave of frequency >=1GHz is called microwave. Typical frequencies for wireless applications: * Current mobile: 0.9GHz - 2GHz * 3G systems: 2.5GHz *...

  • Ultra-wideband Antenna with Multilayer Dielectric Substrate
    • March 31. 2022

    1. An uWB monopole antenna based on four-layer printed circuit board (PCB) is designed based on the method of resonance of multiple radiating patches in different frequency bands. The antenna is fed by microstrip and has two patches of different sizes on two different planes of the dielectric substrate. In order to realize the miniaturization of the antenna, a multilayer uwb monopole antenna with ...

  • Polytetrafluoroethylene (PTFE) Radar Board
    • April 22. 2022

    Generally speaking, high frequency can be defined as the pre-rate above 1GHz. The most commonly used high-frequency circuit board substrates are fluorine-based dielectric substrates. For example, polytetrafluoroethylene (PTFE) is usually called Teflon, which is usually used above 5GHz. , In addition, FR-4 or PPO substrate is also used, which can be used for products between 1GHz-10GHz. The physica...

  • Basic Knowledge of FPC Flexible Circuit Board
    • May 11. 2022

    Basic knowledge of FPC flexible circuit board With the continuous increase of the production ratio of soft PCB and the application and promotion of rigid flexible PCB, it is now more common to add soft, rigid or rigid flexible PCB to say how many layers of FPC it is. Generally, FPC made of soft insulating material is called soft FPC or flexible FPC, rigid flexible compound PCB called rigid flexibl...

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