NAD C 730 - Page 21

23
U903: LC7218
U902: LC72723M
1X
IN
REFERENCE
DIVIDER
SWALLOW COUNTER
1/16,1/17 4 BIT
12-BIT PROGRAMMABLE
DIVIDER
SHIFT REGISTER
LATCH
UNIVERSAL
COUNTER
1
2
PHASE DETECTOR
CHARGE PUMP
6
SYC
24X
OUT
19FM
IN
21 PD1
22 PD2
16 HCTR
18AM
IN
15 LCTR
2CE
3DI
4CL
3 V
DD
4 V
SS
5DO
9
OUT0
10
OUT1
11
OUT2
12
OUT3
13
OUT4
14
OUT5
17
OUT6
7
IN0
8
IN1
Vdda
3
REFERENCE
VOLTAGE
ANTIALIASING
FILTER
DATA
DECODER
V
REF
1
V
REF
FLOUT
5
CIN
6
PLL
(57kHz)
CLOCK
RECOVERY
(1187.5Hz)
+
_
Vddd
11
Vssd
10
RDDA
14
RDCL
15
MODE
12
RST
13
RDS-ID/READY
16
Vssa
4
MPXIN
2
TEST
7
TEST
57kHz
BPF
(SCF)
SMOOTHING
FILTER
OSC
CLK(4.332MHz)
9
X
IN
8
X
OUT
RDS-ID
DETECT
RAM
(128bits)