[time-nuts] Flicker Noise Reduction

[Richard (Rick) Karlquist]

I suspect that, whatever this is, only applies to 1/f mechanisms
specific to THz, based on the last sentence.  One of my
former clients did a PhD at Stanford on 1/f noise and
his dissertation certainly had no magic bullets to
mitigate 1/f noise.

There is some frequency, which I am fairly sure is less
than a THz, above such that the usual equations for so-called
Johnson noise no longer apply.  FWIW.

I don't blame you for not wanting to invest $15 or whatever it
is only to see it and be disappointed.  Are you sure the
author(s) hasn't published a version of it on his own web page?

I am guessing that this might be a reinvented transposed gain
oscillator (TGO) used for the LO, where the LO is the original
source of the noise.

Rick N6RK

On 11/18/2020 11:13 AM, Bruce Hunter via time-nuts wrote:
> Can anyone who subscribes to these transactions report on this?  I dropped my subscription.
> In this letter, a novel 1/f noise mitigation technique is presented to improve the receiver 1/f noise performance of a 670 GHz receiver. Time domain 1/f noise corrected samples are compared with samples obtained without the correction. Spectral domain analysis shows that the 1/f noise mitigation method improves the receiver noise performance by 19 dB in the receiver under test. The presented 1/f noise mitigation technique can be applied to any direct-detection receiver in the THz frequency range.Published in: IEEE Transactions on Terahertz Science and Technology ( Early Access )Page(s):  1 - 1Date of Publication: 06 November 2020
> 
> Bruce Hunter
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