lumped - (a). Amplitude Decrease (b). Phase change/section...

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Lumped Element Transmission Line Setup: Scope IEC Gen Lumped T. L. Term. Sync. Out Trig. Input Ch2 Output Out Procedure: 1. Low-pass Demo Travelling Wave Gen. Setting: .5 × 100 K Hz (a). Direction of phase velocity Adjust the vertical position of the waveform so that it moves upward as the T. L. switch moves toward the Load. From the slope of the constant phase trace, one can tell that the phase velocity is moving to the right side (toward the Load). (b). Phase change/section Much less than π Evanescent Wave Gen. Setting: 10.5 × 100KHz± Adjust the vertical position of the waveform so that it moves upward as the T.± L. switch moves toward the Load.
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Unformatted text preview: (a). Amplitude Decrease (b). Phase change/section 2. High-pass Demo Direction of phase velocity Gen. Setting: 0.8 100 K Hz Adjust the vertical position of the waveform so that it moves upward as the T. L. switch moves toward the Load. From the slope of the constant phase trace, one can tell that the phase velocity is moving to the left side (toward the Gen.). Group velocity Gen. Setting: 0.8 100 K Hz Adjust the vertical position of the waveform so that it moves upward as the T. L. switch moves toward the Load. It can be seen that the envelope of the waveform moves to the right side, while the phase moves to the left side. 1...
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This note was uploaded on 12/02/2010 for the course ECE 6.641 taught by Professor Zahn during the Spring '09 term at MIT.

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