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What is the function of a Lange coupler in microwave circuits?
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What is the purpose of a Lange coupler in microwave circuits?

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What is the function of a decoupling capacitor in digital circuits?
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What is the function of a pull-up resistor in digital circuits?

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How does a spin-wave majority gate function in magnonic circuits?

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How does a MOSFET function as a switch in power electronics circuits?

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How does a varactor diode function in frequency modulation circuits?
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How does a Gunn diode generate microwave oscillations?

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