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5-3
5-3
INTERNAL BLOCK DIAGRAM
RDS/RBDS DEMODULATOR - IC SAA6581T
BLOCK DIAGRAM
handbook, full pagewidth
57 kHz
8th ORDER
BANDPASS FILTER
CLOCKED
COMPARATOR
RDS/RBDS
DEMODULATOR
SIGNAL QUALITY
DETECTOR
POWER
SUPPLY
AND RESET
TEST
CONTROL
OSCILLATOR
AND CLOCK
MPX
multiplex
input
C1
C6
330 pF
560 pF
4
VDDA
VSSA
Vref
+
5 V
+
5 V
C2
100 nF
C4
47 pF
C5
56 pF
C7
100 nF
C3
2.2
µ
F
5
6
VSSD
11
3
TCON
CIN
SCOUT
15
8
7
MODE
VDDD
9
OSCI
Q1
OSCO
QUAL
RDDA
RDCL
SYNC
13
14
12
16
10
2
1
MHB899
SAA6581T
PINNING
SYMBOL PIN
DESCRIPTION
QUAL
1
signal quality indication output
RDDA
2
RDS data output
V
ref
3
reference voltage output (
1
/
2
V
DDA
)
MPX
4
multiplex signal input
V
DDA
5
analog supply voltage (5 V)
V
SSA
6
analog ground (0 V)
CIN
7
comparator input
SCOUT
8
switched capacitor filter output
MODE
9
oscillator frequency select input
SYNC
10
ARI clamping control input
V
SSD
11
digital ground (0 V)
V
DDD
12
digital supply voltage (5 V)
OSCI
13
oscillator input
OSCO
14
oscillator output
TCON
15
test control input
RDCL
16
RDS clock output
MHB900
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
QUAL
RDDA
Vref
MPX
VDDA
VSSA
CIN
SCOUT
RDCL
TCON
OSCO
OSCI
VDDD
VSSD
SYNC
MODE
SAA6581T
PIN DESCRIPTION
RDS/RBDS DEMODULATOR - IC SAA6581T
INTERNAL BLOCK DIAGRAM
POSITIVE VOLTAGE REGULATOR - IC KA7805
Содержание FWM35/21
Страница 16: ...4 1 SET BLOCK DIAGRAM 4 1 ...
Страница 17: ...4 2 SET WIRING DIAGRAM 4 2 ...
Страница 19: ...5 2 5 2 PIN DESCRIPTION MICROCONTROLLER IC TMP87PS71F PIN ASSIGNMENT TOP VIEW MICROCONTROLLER IC TMP87PS71F ...
Страница 21: ...5 4 5 4 PCB LAYOUT FRONT KEY BOARD TOP VIEW ...
Страница 22: ...PCB LAYOUT FRONT KEY BOARD BOTTOM VIEW 5 5 5 5 ...
Страница 23: ...5 6 5 6 CIRCUIT DIAGRAM FRONT BOARD MCU PART ...
Страница 24: ...5 7 5 7 CIRCUIT DIAGRAM FRONT BOARD MIC PART ...
Страница 28: ...6 3 PCB LAYOUT MAIN BOARD_for 21 30 TOP VIEW 6 3 ...
Страница 29: ...PCB LAYOUT MAIN BOARD_for 21 30 BOTTOM VIEW 6 4 6 4 ...
Страница 30: ...6 5 6 5 CIRCUIT DIAGRAM MAIN BOARD AMP PART ...
Страница 31: ...PCB LAYOUT MAIN BOARD_for 22 9940 000 01506 TOP VIEW 6 6 6 6 ...
Страница 32: ...PCB LAYOUT MAIN BOARD_for 22 9940 000 01506 BOTTOM VIEW 6 7 6 7 ...
Страница 43: ...8 2 8 2 PCB LAYOUT TAPE BOARD TOP VIEW PCB LAYOUT TAPE BOARD BOTTOM VIEW ...
Страница 44: ...8 3 8 3 CIRCUIT DIAGRAM TAPE BOARD ...
Страница 47: ...9 2 9 2 PCB LAYOUT POWER BOARD TOP VIEW PCB LAYOUT POWER BOARD BOTTOM VIEW ...
Страница 48: ...9 3 9 3 CIRCUIT DIAGRAM POWER BOARD ...
Страница 53: ...10 4 Wiring Disc Motor Inner switch Slide Motor Service Position ...