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STR-DN1080/ZA810ES
81
• IC Block Diagrams
– MAIN Board –
IC1232 NJM41050V (TE2)
IC1236 RN5B701-0001 (DN1080: US, CND/ZA810ES)
RN5B701-0002 (DN1080: AEP, UK, AUS, TW)
IC1237 MM1839A33NRE
1
VIN1
2
SW1
CLAMP
3
VIN2
4
SW2
5
VIN3
6
MUTE
7
NC
CLAMP
CLAMP
8 VOUT
9 GND
10 VCC
11 SREFV
12 VSAG
13
14
SREFV
NC
75
:
DRIVER
6dB
6.75MHz
LOW-PASS
FILTER
ADVANCED
SAG
CORRECTION
+
–
X2
17
VDD
18
GND
19
VDDRF
20
FRF1 1
GNDRF 3
CP2 4
GNDRF 5
LOUT
13
ROUT
12
FRF2 2
FM LNA
FILTER
FILTER
AGC AMP
DIGITAL SIGNAL PROCESSING
AGC AMP
A/D
CONVERTER
A/D
CONVERTER
CLOCK
GENERATOR
XOSC
LOSC
AGC
DET
DIGITAL
MIXER
DIGITAL
AGC
IMAGE
CONTROL
FM
DEMODULATOR
STEREO
DECODER
RDS
DECODER
IIS
GENERATOR
RSSI
CALCULATION
STATION
DETECTOR
SERIAL INTERFACE/
REGISTERS
DIGITAL
FILTERS
X1
16
D/A
CONVERTER
DA
11
8
IISD
14
CP1
15
CK
9
VDD
10
GND
7
LA
6
IIC
VOUT
4
CONT 1
GND 2
NC 3
VIN
5
+
–
VOLTAGE
REFERENCE
REGULATOR
CURRENT
LIMIT
THERMAL
SHUTDOWN
BIAS
IC1280 MM3411A50NRE
VOUT
5
NC
4
CE 3
GND 2
VDD 1
+
VOLTAGE
REFERENCE
CURRENT
LIMIT
BIAS
Ver. 1.1
SYS SET
2020/11/17 21:24:35 (GMT+09:00)