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參數(shù)資料
| 型號(hào)： | RF9678PCBA |
| 廠商： | RF Micro Devices, Inc. |
| 英文描述： | TRI N RECP M FLG 4-28 |
| 中文描述： | 的W - CDMA傳輸調(diào)制器和IF AGC |
| 文件頁(yè)數(shù)： | 4/16頁(yè) |
| 文件大?。?/td> | 200K |
| 代理商： | RF9678PCBA |
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Preliminary
5-94
RF9678
Rev A4 010622
5
M
U
Pin
15
Function
ISET
Description
Connected to ground through an external resistor. The value can be
varied to change the current in the AGC for optimum linearity and cur-
rent consumption.
Power down control for overall circuit. When logic “high” (
≥
V
CC
-0.7V),
all circuits are operating; when logic “l(fā)ow” (
≤
0.5V), all circuits are
turned off. The input impedance of this pin is >10k
. A DC voltage less
than or equal to the maximum allowable V
CC
may be applied to this pin
when no voltage is applied to the V
CC
pins.
Ground connection. The backside of the package should be soldered to
a top side ground pad which is connected to the ground plane with mul-
tiple vias.
Interface Schematic
16
PD
Pkg
Base
GND
PD
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