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參數(shù)資料
| 型號： | LV24250LS |
| 元件分類： | 調(diào)諧器 |
| 英文描述： | AUDIO TUNER, QCC24 |
| 封裝： | 3.50 X 3.50 MM, VQLP-24 |
| 文件頁數(shù)： | 9/18頁 |
| 文件大?。?/td> | 420K |
| 代理商： | LV24250LS |
LV24250LS
PCB Mounting Conditions to cover the FM Receiving Area of 76M to 108MHz
LV24250LS's PCB mounting conditions
LV24250LS
Printed Circuit Board
LAYER
X = 0mm
LV24250LS has an inductor for local oscillator on the package bottom side.
In order to cover the receiving frequency range of 76MHz to 108MHz, provide the GND layer to the first layer of
Side A of PCB that is directly below the package bottom side, as shown in the figure.
Recommended layout of PCB substrate
3.50
× 3.50
0.75
0.20
2.24
0.40
2.64
0.79
3.50
× 3.50
Y
=
2.30
0.60
X = 2.40
0.55
PCB GND Layer
0.57
IC backside_LV24250LS
IC directly-below_PCB recommended
GND patten diagram
With this SPL, the receiving frequency is measured under the following conditions :
The X-value can be set freely between Min = 2.00mm and Max = 2.60mm with reference to IC.
(The X-value for Sanyo Demo Board is 2.4mm.)
The Y-value can be set freely between Min = 1.00mm and Max = 2.40mm with reference to IC.
(The Y-value for Sanyo Demo Board is 2.30mm.)
Avoid providing another wiring within 0.4mm of bottom layer of PCB_GND as much as possible.
No.A1699-17/18
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