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Recent content by a_aziz

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    Need info about ultra wideband quadrature hybrid

    Ultra Wideband Hi. You can use the sloted microstrip antenna or using the fractal techniqes to obtaine the Ultra-Wideband characteristics. thanks
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    Looking for information about Ultra WideBand

    Ultra WideBand?? Hi. The name ultra wideband is an extremely general term to describe a particular technology. Many people feel other names, such as pulse communications, may be more descriptive and suitable. However, UWB has become the term by which most people refer to ultra wideband...
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    What is transmission Line

    Hi. A transmision line is a way to flowing the elcramagnetic waves that may be a two-pair wire, coaxial, or printed microstrip line. We can use them as a feed network to fed the antennas.
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    Why we use wafers in electronics?

    wafer hi. the Wafer structures has been used to atcheive to compactness circuits and devices, usually. for more information you have refer to design of integrated circut design books. best regards for you
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    Questions about input voltage of a transformer

    transformer unless it is an autotransformer (which neon transformers usually arent), u can do whatever u want with it, provided that u dont exceed the ratings. It is just two isolated inductors.
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    How to identify input terminals in OpAmps ?

    Question about OP AMP Two input terminals of the OP AMP really are the inputs of the Differntial Amplifire of the Operational Amplifier that those are the base pin of the transistors. In this case the voltage difference between bases is important.
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    [SOLVED] ESD - what is the meaning?

    ESD Hi. ESD is Electro Static Discharge. this phenomena may be damage electrical and electronic's systems. lightning is an example of this phenomena. thancks.
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    Keypad Matrix question

    hi. I think it is possible. this is same with shift+key in PC key board.
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    What model to take to simulate the probe feed using MoM?

    Question on MoM Hi. could give me about your method of feeding.
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    Microwave&RF article about vco design .

    Hi. I sent for you one IEEE paper in this field. goodby
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    HFSS error: Adaptive solution setup, process abc3d : subprocess "wave" encountered

    Error with HFSS HI. this error there is may bebecause of your schem for solve the problem.
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    Performance differences between open and shorted stubs

    effect of open stub Hi. Open stubs are easier to fabricate when it comes to printing a circuit layout. If a short stub cannot be traded with an open one, then a via (or vias) must be drilled through the PCB all the way down to the ground layer.
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    Tutorials/IEEE Papers on UWB LNA using pHEMT transistor

    UWB LNA Hi. I sent any IEEE paper in this field. goodby.
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    Looking for information about cascode op-amp

    cascode op-amp Hi. you may be given me some information about cascode op-amp . thanks.
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    How to convert -12V into +5V ? i.e., a -ve voltage into +ve

    Hi. I was attached one file for this reson.

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