SC1062A

Silicore LOW VOLTAGE TRANSMISSION CIRCUITS WITH DIALLER INTERFACE SC1062/SC1062A G ENERAL DESCRIPTION Outlin e Drawi ng F EATURES Silicore B LOCK DI AGRAM SC1062/SC1062A PIN CON NECTION P IN DESCRIPTION Silicore M AXIMUM VALUES SC1062/SC1062A N otes: ELECTRI C CHARACTERIS TICS M icro p ho n e i n p ut s M IC - a nd M IC+ (Pi n s 6 a nd 7) G a in a d ju st men t i n pu t s G A S 1 an d G AS 2 ( p in s 2 a n d 3) Silicore E LECTRI C CHARACTERI STICS S u p p lie s LN an d V cc ( p in s 1 a n d 13 ) SC1062/SC1062A D TM F in p u t ( pi n 11 ) S en d in g a mp li fi er o ut p u t LN ( p in 1) R ece iv in g amp l if ie r i n pu t I R (p i n 10 ) G a in a d ju st men t i np u t G A R ( p in 5 ) Silicore E LECTRI C CHARACTERI STICS R ece iv in g am p li fi er o ut p u t Q R ( pi n 4 ) SC1062/SC1062A M u te in p u t ( p in 2 ) R ed u ct io n o f ga i n A u to ma ti c g ai n co n t ro l i n pu t A G C ( p in 5 ) Silicore F UNCTION DESCRIPTION S u p p ly : V cc, LN , S L PE, RE G an d S TA B SC1062/SC1062A Silicore SC1062/SC1062A M icr op h on e in p u t s ( MIC + an d MIC - ) a nd ga in p i n s ( G AS 1 an d G AS 2 ) M u te in p u t ( M UT E) D u al -t on e mu lt i- f req u en cy in p u t ( DT M F) Silicore R ece iv in g Am pl if ie r ( IR , O R a n d G A R ) SC1062/SC1062A A u to ma ti c g ai n co n t rol i np u t A G C ) S id e- t on e su p p ressi on Silicore SC1062/SC1062A E x a mp le Silicore SC1062/SC1062A F ig . 4 E q u i v a l e n t ci rc u it o f S C 1 0 6 2 A n ti - s i d e to n e b r i d g e F ig . 5 E q u i v a l e n t ci rc u it o f a n a n ti - s id e to n e n et w o r k i n a w h e a t st o n e b ri d g e c o n f ig u ra t io n F i g. 6 SC 1 06 2 saf e o p era t in g area Silicore SC1062/SC1062A Silicore SC1062/SC1062A F ig . 10 A lt er na t iv e mi cro p h on e ar ran g eme n t F i g. 11 A lt er na t iv e r ecei ve r a rra n ge men t F i g.1 2 V ari at i on o f ga in wi th li n e cu rre n t, w it h R 6 as a pa ra met er Silicore SC1062/SC1062A T ES T CIRCUIT Silicore SC1062/SC1062A A PPLI CATION CIRCUIT Silicore SC1062/SC1062A