Brown dwarf numbers way down

In article
,
BradGuth wrote:

By now, linear response 200-dB dynamic range CMOS image sensors of 5.6-
µm are readily available, with 4.1 µm pixels that should start to
emerge this year, each ideally suited to the dual 16 bit ADC
configured camera.

I don't believe you know what a decibel is.

It is simply ten times the base-10 logarithm of a ratio.