wrote in message
oups.com
Now then he is wrong this time ;-)
The input is a ANALOG input. Therefore you can feed what
ever you want. Attache a bigger coil to get higher
sensitivity in magnetic fields or simply just add a AUDIO
signal from your radio and the Spectran will show it up
to 1 MHz, its just as easy as that. The internal AD
converter can handle all possible signals it works like
the soundcard on the PC.

Where does the spec sheet give information about residual distortion and
dynamic range?