SAA6579T-X(IC71):RDS Detecter
1. Pin layout
2. Block diagram
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
QUAL
RDDA
Vref
MUX
V
ODA
V
SSA
CIN
SOUT
RDSL
T57
OSCO
OSCI
V
DDD
V
SSD
TEST
MODE
Via the pin MODE two different crystal frequencies can be used:
MODEL x-tal clock
LOW 4.332 MHz
HIGH 8.664 MHz
V
SSA
6
VOLTAGE
CLOCK
REGENERATION
AND SYNC
TEST LOGIC AND OUTPUT
SELECTOR SWITCH
BIPHASE
SYMBOL
DECODER
DIFERENTIAL
DECODER
QUALITY BIT
GENERATOR
OSCILLATOR
AND
DIVIDER
RECONSRTUCTION
FILTER
COMPARATOR
COSTAS LOOP
VARIABLE AND
FIXED DIVIDER
ANTIL
ALIASING
FILTER
57 kHz
BANDPASS
(8th ORDER)
47pF
82pF
4.332/8.664 MHz
OSCI
OSCO
QUAL
RDDA
RDCL
T57
TEST
MODE
V
SSD
V
DDD
2.2k
+5V
13
14
12
0.1 F
1
2
16
15
11
10
9
MEH162
2.2 F
8
4
V
P1
SCOUT
MUX
MPX
signal
330pF
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TEL 13942296513
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TEL 13942296513 QQ 376315150 892498299