E&M: anyone knows what this equation is?

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The discussion centers on the Shockley Diode Equation, expressed as I_c = A [ e^{(qV_b)/kT} -1]. Participants seek guidance on deriving the equation and finding reliable online resources for further information. A helpful link to the Wikipedia page on the Shockley diode equation is provided as a valuable source. The equation describes the current-voltage relationship in diodes, highlighting its significance in electronics. Overall, the conversation emphasizes the importance of understanding this fundamental equation in semiconductor physics.
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I_c = A [ e^{(qV_b)/kT} -1]

A is a constant

How can i derive it? Where can I find more about this equation? Online source would be great.
 
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Thread 'Off resonance driving of a MW/RF cavity'

Hello! Let's say I have a cavity resonant at 10 GHz with a Q factor of 1000. Given the Lorentzian shape of the cavity, I can also drive the cavity at, say 100 MHz. Of course the response will be very very weak, but non-zero given that the Loretzian shape never really reaches zero. I am trying to understand how are the magnetic and electric field distributions of the field at 100 MHz relative to the ones at 10 GHz? In particular, if inside the cavity I have some structure, such as 2 plates...
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