| http://www.w3.org/ns/prov#value | - DAAs are known in the prior art and may be made of a variety of discrete components, including analog multiplexers, resistors, capacitors, and operational amplifiers, or may be embodied in whole or part as an integrated circuit, such as a Cermetek CH1837, and performs such functions as impedance matching, power level adjustment, isolation, surge voltage protection, and ring detection functions.
|
