Converts from a ratio to parts per billion (ppb).

Parameters:¶

x: ArrayLike¶

The input ratio.

Returns:¶

The parts per billion (ppb).

Examples¶

Convert 0.000005 to 5000 ppb.

In [1]: sdr.ppb(0.000005)
Out[1]: 5000.0

Convert 0.000000025 to 25 ppb.

In [2]: sdr.ppb(0.000000025)
Out[2]: 25.0