TA7792 TGS [Tiger Electronic Co.,Ltd], TA7792 Datasheet - Page 5

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

COIL DATA
APPLICATION NOTE
< F M S E C T I O N >
C O I L S TA G E
Silicore
T 1 A M O S C
L 2 F M O S C
T 3 F M D E T
T 2 A M I F T
L 1 F M R F
R F a m p l i f i e r ( s e e F i g . 1 )
T h i s s t a g e i s c o m p o s e d o f t h e e m i t t e r- g r o u n d e d
a n d c a s c a d e c o n n e c t i o n a m p l i f i e r.
T h e i n p u t i m p e d a n c e o f p i n 1 6 i s a b o u t 2 6 0 Ω ,
w h i c h i s d e t e r m i n e d b y D 1 .
M i x e r a m p l i f i e r ( s e e F i g . 2 )
T h e a m p l i f i e d R F s i g n a l i s t r a n s f o r m e d i n t o
I F
c o m p o s e d o f a d i ff e r e n t i a l a m p l i f i e r.
T h e a m p l i f i e d I F 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 e m i t t e r f o l l o w e r c i r c u i t a t p i n 1 4 . T h e
o u t p u t i m p e d a n c e o f t h e c e r a m i c f i l t e r.
s i g n a l
（ T E S T C I R C U I T ）
b y
F R E Q U E N C Y
1 0 . 7 M H z
1 0 0 M H z
1 0 0 M H z
7 9 6 k H z
4 5 5 k H z
t h e
T E S T
SHAOXING SILICORE TECHNOLOGY CO.,LTD
m i x e r
（ µ H ）
www. Silicore. com. cn
0 . 0 5 3
0 . 0 6 5
c i r c u i t
2 8 8
L
-
-
CHMC
( p F )
1 8 0
C o
8 2
w h i c h
-
-
-
1 0 0
1 0 0
11 5
1 2 0
11 0
Q o
i s
1 - 2
1 3
-
-
-
-
2 - 3
7 3
-
-
-
-
T U R N
1 . 7 5
2 . 2 5
1 - 3
1 8 0
1 3
-
4 - 6
1 5
-
-
-
-
TA7792
0 . 0 8 U E W
0 . 0 6 U E W
0 . 1 2 U E W
D7792
0 . 5 U E W
0 . 5 U E W
( m m Φ )
W I R E
5/9