參數(shù)資料
型號: CXA3627N
英文描述: All Band Tuner IC with On-chip PLL
中文描述: 所有波段調(diào)諧器集成電路片上鎖相環(huán)
文件頁數(shù): 19/28頁
文件大?。?/td> 230K
代理商: CXA3627N
19
CXA3627N
Example of Representative Characteristics
70
68
66
64
62
60
58
56
54
52
50
4.7
4.8
4.9
Vcc
Supply voptage [V]
5.0
5.1
5.2
5.3
5.4
I
Circuit current vs. Supply voltage
5.4
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
0
3
6
9
12
15
18
Output current [mA]
O
Band SW output voltage vs. Output current
(BS1, BS2, BS3, BS4)
Vcc = 5V
40
30
20
10
0
0
100 200 300 400 500 600 700 800 900
Reception frequency [MHz]
C
Conversion gain vs. Reception frequency
(Untuned input)
VHF (Low)
VHF (High)
UHF
f
IF
= 45MHz
High gain mode
20
15
10
5
0
0
100 200 300 400 500 600 700 800 900
Reception frequency [MHz]
N
Noise figure vs. Reception frequency
(Untuned input, in DSB)
VHF (Low)
VHF (High)
UHF
f
IF
= 45MHz
High gain mode
120
90
100
110
80
70
50
40
20
10
60
30
0
0
100 200 300 400 500 600 700 800 900
Reception frequency [MHz]
C
Next adjacent cross modulation vs. Reception frequency
(Untuned input)
VHF (Low)
VHF (High)
UHF
f
IF
= 45MHz
High gain mode
400
200
300
100
0
100
300
200
400
0
100 200 300 400 500 600 700 800 900
Oscillation frequency [MHz]
+
Oscillation frequency power supply fluctuation
(PLL off)
VHF (Low)
VHF (High)
UHF
f
UD
= f
D
+ 12MHz
f
UD
= f
D
12MHz
(100kHz, 30% AM)
Vcc + 5%
Vcc
5%
(Vcc = 5V)
VHF
UHF
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