[time-nuts] Re: DIY Low offset Phase Noise Analyzer (Erik, Kaashoek)

[ghf at hoffmann-hochfrequenz.de]

Am 2022-07-13 4:10, schrieb glenlist via time-nuts:

> Oh and now LED lights overhead your bench which are driven at 5-50kHz
> are are next new coupling of noise into your open bench circuits !!!

The LED ringlight on my microscope creates 57KHz noise peaks when I have
an unshielded low noise amplifier under it. Immediately visible on the
scope, let alone the FFT-analyzer.

Gerhard