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Recent content by tennythomas

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    Circuit Simulator (analog & digital)

    Hi, Please let me know what the best circuit simulator (analog and digital) is. Also, the diagrams are to be shown in simulator. Thanks in advance. Regards, Tenny Thomas
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    PCB (Assembled) Testing

    Hi, What is the procedure of testing the PCB by the PCB assembler when it is finished or it is mounted with all the components (not bareboard testing) ? What is its significance? Thanks in advance.. Regards, Tenny Thomas ---------- Post added at 13:34 ---------- Previous post was at 12:59...
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    Precautions of hardware storeroom

    Yes... Both
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    Precautions of hardware storeroom

    Hi, what are the safety precautions of hardware storeroom where electronic and electrical components are stored? Thanks in advance.
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    Damaged Electronic components

    Hi, Please give me a list of electronic components which can be damaged in the storeroom (before soldering)? Thanks in advance.
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    The dielectric constants of HDI layers

    Should the dielectric constants of core, prepreg and build up layers (laser drillable prepregs) in HDI be same or different? Thanks in advance.
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    What is the spacing between vias and the size of via for via stitching?

    What are the spacing between vias and the size of via for via stitching on either side of a 50 ohm 2.4GHz RF track (coplanar with ground plane)? Thanks in advance.
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    Guidelines for stitching via

    Via stitching takes place along a 50 ohm 2.4GHz RF track (coplanar with ground plane). Is there any guidelines for the via eg. separation between vias, size of via etc.? Thanks in advance
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    Grounded Differential Coplanar Waveguide calculator

    Thanks vfone!
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    Maintaining the RF impedance along the RF trace

    Re: RF Impedance I want to know whether i can place impedance matching ckt on the module board before the non RF connector OR on the other board before the antenna. Which one is a must? Thanks in advance.
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    Maintaining the RF impedance along the RF trace

    Re: RF Impedance Please find attached the picture. The impedance of the antenna on the other board is 50 ohm. I think that the non RF connector would introduce a change in impedance. How to set this connector to 50 ohm? Thanks in advance.
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    Maintaining the RF impedance along the RF trace

    Re: RF Impedance In my project, no RF connector (50 ohm) is used. But an ordinary connector (through hole) is used for soldering both module board and other board. Please suggest on this. Thanks in advance.
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    Maintaining the RF impedance along the RF trace

    Re: RF Impedance Thanks for the reply. The module (WLAN + Bluetooth) is connected to 50 ohm 2.4 GHz antenna (on the other board) via the connector through the 50 ohm (impedance) RF trace. Will this connector introduce a change in impedance?
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    Maintaining the RF impedance along the RF trace

    Re: RF Impedance Should impedance matching circuit be not needed, when the impedance of 2.4GHz antenna is 50 ohms?
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    Grounded Differential Coplanar Waveguide calculator

    Can anyone provide Grounded Differential Coplanar Waveguide calculator? Thanks in advance.
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