Max3580 direct-conversion tv tuner, Typical application circuit – Rainbow Electronics MAX3580 User Manual
Page 11
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MAX3580
Direct-Conversion TV Tuner
______________________________________________________________________________________
11
Typical Application Circuit
TRACKING
FILTER
GND_TUNE
LDO
XE
XB
VCC_VCO
V
CC
MU
X
RFIN2
ADDR2
LEXT
VC
C
_
SYN
V
CC
V
CC
RFIN
RF
_
A
G
C
SCL
SDA
BBI-
BBQ
-
BBQ
+
BB_AGC
BBI+
V
CC_
B
B
REF_BUFF
VCC_RF
OV
LD
_D
ET
OVLD_DET
Q CHANNEL
I CHANNEL
IND1
IND2
VC
C
_
XT
AL
VTUNE
CP
OVLD_DET
GND_LNA
G
ND_
C
P
G
ND_
P
LL
N.C.
32
28
29
30
31
25
26
27
10
13
15
14
16
11
12
9
17
18
19
20
21
22
23
24
2
3
4
5
6
7
8
1
MAX3580
0
90
DAC
LO
LO
CHARGE
PUMP
SERIAL INTERFACE, CONTROL,
AND
SYNTHESIZER
V
CC
V
CC
V
CC
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