|| A - B - C -D | E - F - G - H | I - J - K - L | M - N - O - P
| Q - R - S - T | U - V - W - X - Y - Z| Also known as dark
current noise. Part of the noise due to thermally generated free
electrons. It is currently considered that thermal noise doubles
for an increase of 8° of the ambient temperature. This noise is
particularly visible in low-light.