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參數(shù)資料
| 型號(hào)： | TA2154AFN |
| 廠商： | Toshiba Corporation |
| 英文描述： | 1.5 V 1 Chip Tuner IC (for Digital Tuning System) |
| 中文描述： | 1.5伏特1芯片調(diào)諧器IC（數(shù)字調(diào)諧系統(tǒng)） |
| 文件頁(yè)數(shù)： | 3/13頁(yè) |
| 文件大?。?/td> | 171K |
| 代理商： | TA2154AFN |
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TA2154AFN
2002-10-21
3
Explanation of Terminals
Terminal voltage: Typical terminal voltage at no signal with the test circuit (V
CC
1.2 V, Ta 25°C)
Terminal Voltage
Pin
No.
Name
Function
Internal Circuit
AM
FM
TV
1
TV RF IN
Input of TV RF signal
0
0
0.1
2
FM RF IN
Input of FM RF signal
0
0.1
0
3
RF-GND
GND (GND for TV/FM stage)
0
0
0
4
FM MIX
Output of TV/FM signal
0.5
0.5
5
AM MIX
Output of AM IF signal
0.6
6
AGC
AGC
AGC time constant is determined
by external capacitor
0
0
0
7
V
CC
V
CC
(V
CC
for AM, FM IF, MPX stage)
1.2
1.2
1.2
3
2
29
1
6
FM RF OUT
RF GND
3
1
30
1
6
TV RF OUT
RF GND
3
4
TV/FM MIX
7
RF GND
220
V
CC
5
AM MIX
7
14 k
V
CC
14 k
9
GND
3 k
6
IF
FM AM
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