Ieee standard methods and equipment for measuring the transmission characteristics of analog voice frequency circuits / 
Sponsor standards coordination and liaison committee of the ieee communications Society 
 - 60 páginas 
 - Ansi/ieee std ;  743-1984 .
<br/><br/> "an american national standard"  Normas aprobadas el 17 de marzo de 1983 por la ieee standards board y aprobadas el 12 de abril de 1985 por la ameirican national standars institute 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Amplificador de audio<br/>Audiofrecuencia
<br/><br/><label>LC Class. No.: </label>TK7871.58A9  / I44