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SAA6579 Datasheet(PDF) 3 Page - NXP Semiconductors

Part No. SAA6579
Description  Radio Data System RDS demodulator
Download  16 Pages
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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SAA6579 Datasheet(HTML) 3 Page - NXP Semiconductors

 
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1997 Feb 24
3
Philips Semiconductors
Product specification
Radio Data System (RDS) demodulator
SAA6579
BLOCK DIAGRAM
Fig.1 Block diagram and application circuit.
Via pin MODE two different crystal frequencies can be used.
MODE
CRYSTAL CLOCK
LOW
4.332 MHz
HIGH
8.664 MHz
handbook, full pagewidth
SAA6579
0.1
µF
ANTI-
ALIASING
FILTER
57 kHz
BANDPASS
(8th ORDER)
RECONSTRUCTION
FILTER
OSCILLATOR
AND
DIVIDER
CLOCKED
COMPARATOR
COSTAS LOOP
VARIABLE AND
FIXED DIVIDER
CLOCK
REGENERATION
AND SYNC
BIPHASE
SYMBOL
DECODER
DIFFERENTIAL
DECODER
TEST LOGIC AND OUTPUT
SELECTOR SWITCH
REFERENCE
VOLTAGE
2.2
µF
4
7
8
5
3
6
VDDA
Vref
VP1
13
14
QUAL
RDDA
RDCL
T57
QUALITY BIT
GENERATOR
1
2
15
16
11
12
2.2 k
82 pF
47 pF
4.332/8.664 MHz
MPX
signal
330 pF
9
10
MODE
TEST
560 pF
MEH162
VSSD
VDDD
+5 V
+5 V
OSCO
OSCI
MUX
SCOUT
CIN
0.1
µF
VSSA


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