15 Apr
2010
15 Apr
'10
4:32 p.m.
And you need to be sure that your ADs, amps and
speaker are
perfectly linear and don't produce products in the < 20 kHz
band when given ultrasonic signals only. For the speakers
that will be near to impossible.
Ohhh, yes, IMD and air itself will introduce IMD. I forgot all about that.
Monty