The first woman at NASA Mission Control
How can you accurately measure this impedance to give reliable lead-off detection in ECGs?
Fast switching transitions can yield some disadvantages. Interference in the frequency range of the switching transitions between approximately 20 MHz and 200 MHz increases dramatically.
The U-channel format consists of an open frame PSU mounted into a U-shaped aluminum chassis.
The primary difference between the speakers I designed and the micro- and mini-speakers that Eminence makes is that the diaphragm is connected directly to the voice coil as opposed to an Aluminum or cardboard 'former' to which the voice coil was connected