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Recent content by yxcvbnm1234567890

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    Convert lumped two-stage cascaded lowpass L-type filter to distributed transm. lines

    Hello, I am currently trying to convert a two-stage cascaded L-type filter into transmission lines. I have found a way to this problem, but I´m somehow not able to figure out how to use the equations to get the job done. Link for the problem: ImageShack® - Online Photo and Video Hosting...
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    Shunt capacitance in class e amplifier

    Hi everyone, I´m interested in class e amplifier design and was wondering, what the shunt capacitance at the drain of the transistor is for? In some papers I read, that when the transistor is modeled as a switch, the shunt capacitance consists of the drain-source capacitance of the transistor...
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    Convergence problems when using Harmonic Balance simulation in ADS

    Hello, I have a little problem regarding the simulation of an amplifier with a driver. The thing is that the simulation terminates due to convergence problems. I have tried many options, like changing the solver, etc. Now I thought, that it may be possible to simulate the driver and the...
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    What is the end inductance ?

    Hello, can someone explain to me, what an end inductane is? Greetings
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    Lumped Model for microstrip-lines

    Hello, I´m searching for a lumped microstrip-line model. I have searched ieee, but haven´t found anything useful. Appreciate any help.
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    Transmission loss ( S_21,dB ), transient analysis the same?

    Re: Transmission loss The S-Parameters should be right. Do I need 50 Ohms in series for transient analysis with the input voltage souce, too?
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    Transmission loss ( S_21,dB ), transient analysis the same?

    Re: Transmission loss I use a sin as stimulus and the reference impedances are identical. The sin has amplitude 1V and the frequency is adjustable. First I used a frequency of 10GHz for the sin ( for time domain analysis ) and checked the result with S21 at the same frequency 10GHz. But the...
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    Transmission loss ( S_21,dB ), transient analysis the same?

    Re: Transmission loss Hello, thank you for the fast response. I have data for S21 from 0GHz to 50GHz. Yes, the analysis is done in the same program.
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    Transmission loss ( S_21,dB ), transient analysis the same?

    Hello, I have the transmission loss ( S_21,dB ) of a simulation and I wanted to confirm, if I would get the same result for transient analysis. But the results differed. I appreciate your help.

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