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參數(shù)資料
| 型號(hào)： | LA1231N |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | FM IF System |
| 中文描述： | 調(diào)頻中頻系統(tǒng) |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大?。?/td> | 665K |
| 代理商： | LA1231N |
LA1231N
No.660-2/8
Specifications
Maximum Ratings
at Ta=25°C
Parameter
Maximum supply voltage
Maximum input voltage
Maximum supply current
Maximum flow-in current
Symbol
V
CC
max
V
IN
I
CC
I
15
I
16
I
10
I
12
I
13
I
15
Pd max
Topr
Tstg
Conditions
Ratings
Unit
V
Vp-p
mA
mA
mA
mA
mA
mA
mA
mA
°C
°C
Pin 11
Pins 1-2
Pin 11
Pin 15
Pin 16
Pin 10
Pin 12
Pin 13
Pin 15
16
±1
40
1
1
2
2
2
2
650
Maximum flow-out current
Allowable power dissipation
Operating temperature
Storage temperature
–20 to +70
–40 to +125
Voltage regulator
IF amp/limiter
Glimiter
meter drive
Guadet
det
Istop
Sigdrive
Mute drive
det
Ldet
det
det
lDC
AF amp
cMute
Features
High sensitivity on limiting : 18μV typ.
Low distortion : 0.05% typ. determined by the linearity of phase characteristics in phase shifting circuit.
High demodulation output : 330 mVrms typ.
High S/N ratio : 78.5dB typ.
Muting at detuning with little shock noise.
Single meter drive output proportional with the input signal level dB.
Detuning muting band having good symmetrics.
Tuning meter driving output having wide swing width.
Delay AGC drive output for front end.
Constant voltage circuit is built-in : operation voltage=9 to 14V.
Muting characteristics between adjacent stations are distinguished.
Equivalent Circuit Block Diagram
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