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參數(shù)資料
| 型號： | CXA3627N |
| 英文描述： | All Band Tuner IC with On-chip PLL |
| 中文描述： | 所有波段調諧器集成電路片上鎖相環(huán) |
| 文件頁數(shù)： | 6/28頁 |
| 文件大?。?/td> | 230K |
| 代理商： | CXA3627N |
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6
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CXA3627N
Pin
No.
Symbol
Pin voltage
[V]
2.3 during
VHF reception
2.5 during
UHF reception
4.0 during
VHF reception
5.0 during
UHF reception
4.0 during
VHF reception
5.0 during
UHF reception
2.3 during
VHF reception
2.5 during
UHF reception
Equivalent circuit
Description
7
20
20
19
16
5k
5k
18
17
3k
3k
21
22
23
20
7
7
25
26
70
16
VOSCB1
18
VOSCC1
17
VOSCC2
19
VOSCB2
External resonance circuit
connection for VHF oscillator.
20
UOSCB1
2.4 during
VHF reception
2.2 during
UHF reception
2.0 during
VHF reception
1.5 during
UHF reception
2.0 during
VHF reception
1.5 during
UHF reception
2.4 during
VHF reception
2.2 during
UHF reception
—
21
UOSCE1
22
UOSCE2
23
UOSCB2
External resonance circuit
connection for UHF oscillator.
25p
38p
30k
100
7
27
24
GND2
PLL circuit GND.
25
VT
—
Varicap drive voltage output.
This pin outputs the signal in
open collector format, and it
must be connected to the
tuning power supply via a load.
26
CPO
2.0
Charge pump output.
Connects the loop filter.
27
REFOSC
4.4
Crystal connection for
reference oscillator.
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