Physics Journal

Articles Information

Solitary Electromagnetic Wave Theory with Its Development Process and Application

Pages: 151-175 Views: 1869 Downloads: 1095

[01]
Hirokazu Tohya, ICAST, Inc., Hachioji City, Tokyo, Japan.
[02]
Noritaka Toya, ICAST, Inc., Hachioji City, Tokyo, Japan.

The switching mode circuit consists of the switching device, the power supply line, and the signal transmission line. By the current method, the electromagnetic analysis is so difficult and the accuracy of the simulation result is not high. This cause is estimated to due that the rectangular wave shape has been analysed ignoring the electromagnetic phenomenon. The solitary electromagnetic wave theory was constructed for solving this problem. The solitary electromagnetic wave is generated at the switching moment. The vector wave equations which forms the core of this theory were developed by fusing the semiconductor physics, nonlinear undulation physics, and the conventional electromagnetic wave physics. Almost all problems which became obvious by experiment and analysis about the switching mode circuit was solved by the solitary electromagnetic wave theory and the lossy line technologies. Usually, the generated solitary electromagnetic wave on the core circuit of SoC (system on a chip) including LSI is uniform, because the manufactured transistors on it are in uniform. Therefore, the electromagnetic analysis including the timing analysis of SOC for example becomes easily by this theory. The time domain tools which are used habitually by the circuit designers can be used because the solitary electromagnetic wave have the time domain shape. The modified significant frequency which is define in the solitary electromagnetic theory makes possible to convert the time domain to/from the frequency domain for using the current electromagnetic simulators and the high-frequency measurement instruments. The lossy line technologies were developed based on this theory and they can reconstruct the switching mode circuit to the quasi-stationary-closed-circuit (QSCC) effectively. QSCC brings the EMI free situation and easy design circumstance. In the last part, the reconstruction example of the switching mode power supply circuit to QSCC is presented.

Solitary Electromagnetic Wave Theory, Soliton, Switching Mode Circuit, Lossy Line Technologies, Signal Integrity, Crosstalk, Switching Mode Power Supply

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