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Signetics - Dolby B Noise Processor

Numéro de référence 545
Description Dolby B Noise Processor
Fabricant Signetics 
Logo Signetics 





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545 fiche technique
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545DOLBNY.OBISPEROCESSOR
LINEAINRTEGRACIEIRDCUITS
DESCRIPTION
T h e N E 5 4 5 i s t h e m o n o l i t h i c i m p l e m e n t a t i o no f t h e D o l b y "
B n o i s er e d u c t i o n s y s t e m .T h i s c i r c u i t i s u s e dt o r e d u c et h e
levelof background noise introduced during recording and
p l a y b a c ko f a u d i o s i g n a l so n m a g n e t i ct a p e ,a n d t o i m p r o v e
the noise level in FM broadcastreception.This circuit is
a v a i l a b l eo n l y t o l i c e n c e e so f D o l b y L a b s . L i c e n s i n ga n d
application information may be obtained from Dolby
Labs.London or New York.
A B S O L U T EM A X IM U MR A T I N G S
Supply Voltage
24 Volts
O p e r a t i o nT e m p e r a t u r eR a n g e
9"6 1e+70"C
S t o r a g eT e m p e r a t u r eR a n g e
65"C to +i50"C
L e a dT e m p e r a t u r e( S o l d e r i n g ,6 0 s e c . )
+300"C
B L O C KD I A G R A M
P I N C O N F I G U R A T I O N( T o pV i e w )
B PACKAGE
Input
Input
Output
Reference
lnput
Output
O utput
By Pass
By Pass
By Pass
Reference
Input
Output
By Pass
G round
Order Part No. NE545B
D O L B YA T Y P EI N T E G R A T ECDI R C U I II
S I G N E T I CNSE 5 4 5 A
15 J
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