resistors at different temperatures and switch between the two resistors. The resulting output power is low. (For a 1 k? resistor at room temperature and a 10 kHz bandwidth, the RMS noise voltage is 400 nV.)

Shot noise generator

If electrons flow across a barrier, then they have discrete arrival times. Those discrete arrivals exhibit shot noise. The output noise level of a shot noise generator is easily set by the DC bias current. Typically, the barrier in a diode is used.

Different

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