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Recent content by bkang74

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    Help in antenna design with Ansoft HFSS and Ansoft Designer

    Re: Help in antenna design with Ansoft HFSS and Ansoft Desig Hi everyone, Just want to say that I found the problem, I had no enough meshes in Designer, once I increase the meshes in Designer, both simulated results is very close and solve my problem..... :D
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    Which microcontroller is faster than 8951?

    Re: fast Micros Do you want to try PIC series? Some PIC can last for at very high crystal frequency and lots of peripherals in single chip. Fuse bit is the the a security feature that prevent outsiders read from the µC. Once the fuse bit set, although there is program load inside but outsider...
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    Program for reading from AT89C52 serial port

    at89c52 program Beside that the loop test, how many bit of start/stop bit set by the VB program? Your µC should configure the same as the number of bit same as the VB program as well. No only that, baud rate and comm. port number have t put into consideration as well. How you write the AT89C52...
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    Help in antenna design with Ansoft HFSS and Ansoft Designer

    Re: Help in antenna design with Ansoft HFSS and Ansoft Desig Both the rectangular patch antenna is operated at 5.3GHz, did the HFSS boundary is enough?
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    Help in antenna design with Ansoft HFSS and Ansoft Designer

    Re: Help in antenna design with Ansoft HFSS and Ansoft Desig Hi everyone, I have problem with the Ansoft HFSS and Ansoft Designer. This time is due to probe feed patch antenna. Below is the simulated and design file using both software. Although the BW which is <10db is almost the same but the...
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    FR4 as PCB substrate for circuits at above 1 GHz

    Re: FR4 as pcb substrate What is your guys prefer for GHz antenna substrate? How about RT5880?
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    Tutorials for HFSS v9 or Ansoft Designer

    ansoft designer pdf hope this can help **broken link removed**
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    Help in antenna design with Ansoft HFSS and Ansoft Designer

    I simulated a simple microstrip antenna using Ansoft HFSS 9.2 and Ansoft Designer but obtain different results for both the software. The antenna was excatly same dimension and fed with a 50Ω microstrip line. I used 50Ω lumped-port as excitation for HFSS and edge port for Designer. Both come out...

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