TA7792 TGS [Tiger Electronic Co.,Ltd], TA7792 Datasheet - Page 7

• Manufacturer Part Number: TA7792
• Description: AM/FM 1 CHIP TUNER SYSTEM IC (1.5V USE)
• Manufacturer: TGS [Tiger Electronic Co.,Ltd]

< C O M M O N S E C T I O N >
CHARACTERISTICS CURVES
Silicore
A M / F M m o d e s w i t c h o v e r
S w i t c h o v e r b e t w e e n A M / F M m o d e i s p o s s i b l e w i t h o n e - m a k e s w i t c h . I n c a s e o f
t h e o p e n e d , t h i s I C h a s A M m o d e .
A n o t h e r i n c a s e t h a t t h e t e r m i n a l i s c o n n e c t e d t o V c c d i r e c t l y, t h a t h a s F M
m o d e .
A n d t h e t e r m i n a l o f p i n 2 i s V c c t e r m i n a l o f F M F R O N T E N D s e c t i o n , t o o .
O u t p u t c i r c u i t ( s e e F i g . 5 )
B o t h o f t h e A M / F M d e t e c t o r s i g n a l i s a p p e a r e d
t h r o u g h t h e p i n 8 .
T h o s e o u t p u t a r e c h o s e n b y t h e m o d e s w i t c h o v e r.
A t t h e s a m e t i m e , t h e o u t p u t i m p e d a n c e i s c h a n g e d a s f o l l o w a t A M / F M m o d e ,
d u e t o c u t t h e A M c a r r i e r s i g n a l a n d p a s s t h e F M c o m p o s i t e s i g n a l s m o o t h l y,
w i t h o n l y o n e c o n d e n s e r.
R o u t
R o u t
( A M )
( F M )
= 1 . 4 k Ω ( Ty p . )
= 8 k Ω ( Ty p . )
SHAOXING SILICORE TECHNOLOGY CO.,LTD
www. Silicore. com. cn
CHMC
D7792
TA7792
C1
8
C2
560pF
8
TA7792
D7792
TA7766AF
7/9