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參數(shù)資料
| 型號： | HT9011 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | FM IF Detector |
| 中文描述： | 調(diào)頻中頻探測器 |
| 文件頁數(shù)： | 2/7頁 |
| 文件大?。?/td> | 98K |
| 代理商： | HT9011 |
Pin Assignment
Pin Description
Pin No.
Pin Name
I/O
Description
1
OSCI
I
These pins are connected to the external parts of an oscillating
circuit.
2
OSCO
O
3
MIXO
O
Mixer output pin. Connect a 455kHz ceramic filter between this
pin and the IFIN pin.
4
VCC
Positive power supply
5
IFIN
I
Input terminal for IF Amp.
6
DEC
I
Bias Decoupling
7
FSKR
I
Reference input of differential amplifier for waveform shaping.
Connect the capacitor externally.
8
IFO
O
IF Amplifier Output pin. Connect the discri-
minator through the coupling capacitor.
9
QUAD
I
FM demodulator phase shift input pin connected to a quadrature
detector phase shifter.
10
AFO
O
FM demodulator output pin
11
LPFI
I
Low Pass Filter Input pin
12
LPFO
O
Low Pass Filter Output pin
13
BS
I
Battery-saving Control pin
H Normal Operation
L Battery-saving
HT9011
2
March 1, 2000
Preliminary
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