Consider a 20 dB attenuator installed in a 50 Ohm transmission line and clamped at the 20 mk stage of the fridge. Determ

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Consider a 20 dB attenuator installed in a 50 Ohm transmission line and clamped at the 20 mk stage of the fridge. Determ

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Consider A 20 Db Attenuator Installed In A 50 Ohm Transmission Line And Clamped At The 20 Mk Stage Of The Fridge Determ 1
Consider A 20 Db Attenuator Installed In A 50 Ohm Transmission Line And Clamped At The 20 Mk Stage Of The Fridge Determ 1 (17.36 KiB) Viewed 49 times
Consider a 20 dB attenuator installed in a 50 Ohm transmission line and clamped at the 20 mk stage of the fridge. Determine the 3dB cut-off frequency - the 3dB frequency at which the noise power per unit bandwidth generated by the attenuator at 20 mk is half of its maximum noise power value obtained for very low frequencies, far below the cut-off frequency.
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