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Conquer Radio Frequency

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CHAPTER 3 - Foundations of RF & Microwave Circuit Characterisation 138 Figure 3.4-4 Reflected voltage travels back towards the generator and adds to the incident one The reflection coefficient for the current in this case is We may also simulate the time domain transients illustrated in this section by using the transient simulation tools in Microwave Office as shown in video 3.4 3.4.3 Power considerations The final remark of this section is on power. From the calculation below you may see that it is inevitable to lose some power if the line is not matched!! is the power delivered to the load when the line is matched. and are the powers delivered to a 100 Ω and 25Ω load respectively. I E 2E E E E → E 3 2 E 3 1 E E 3 2 Z L I I I 3 4 3 1 I + I 3 1 Conquer Radio Frequency 138 www.cadence.com/go/awr

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