cxa3746er Sony Electronics, cxa3746er Datasheet - Page 2

• Manufacturer Part Number: cxa3746er
• Description: Silicon Tuner Ic For Analog And Terrestrial Digital Tv Broadcast Features Superlative Sensitivity And Interference Rejection
• Manufacturer: Sony Electronics

写真- 1
図- 2
図- 4
–20
–25
–30
–35
–40
–45
–50
–55
–60
–65
–60
–65
–70
–75
–80
–85
–90
入力感度
妨害性能
–15
小型モジュールへの実装例
0
64QAM Code Rate = 7/8, GI = 1/8MHz, 35ch受信
100
–10
64QAM Code Rate = 7/8, GI = 1/8MHz
200
ISDB-T 最小受信感度
–5
ISDB-T 妨害特性
Undesire Ch Offset
300
受信周波数 [MHz]
400
0
500
5
600
10
D/U
Target
700
15
800
RFIN
図- 1
図- 3
図- 5
位相雑音
雑音指数
ブロック図
–100
–110
–120
–130
–140
–40
–50
–60
–70
–80
–90
1.0E+02
8
7
6
5
4
3
2
1
0
0
RF_VGA
100
1.0E+03
On Chip VCO
IQ_MIX
200
Generator
IQ
CXA3746ER
Offset Freq. [Hz]
300
受信周波数 [MHz]
1.0E+04
Rejection
Image
400
NF
500
REFOSC
PLL CAL.
1.0E+05
PLL &
BPF
Analog Mode
Digital Mode
600
IF_VGA
700
1.0E+06
I
2
C
800
SDA
SCL
ADSL
IFOUT
AGC