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參數(shù)資料
| 型號(hào)： | RF2948BTR13 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | 2.4GHz SPREAD-SPECTRUM TRANSCEIVER |
| 中文描述： | TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, QCC32 |
| 封裝： | 5 X 5 MM, QFN-32 |
| 文件頁數(shù)： | 7/18頁 |
| 文件大?。?/td> | 413K |
| 代理商： | RF2948BTR13 |
11-245
RF2948B
Rev A6 040930
NOTFORNEWDESGNS
Pin
31
Function
VREF 1
Description
This is a bypass pin for the bias circuits of the GmC filter amps and for
I/Q inputs. No current should be drawn from this pin (<10
μ
A). 1.7V
nominal.
Receiver IF and baseband amp gain control voltage. Negative slope.
Interface Schematic
32
Pkg
Base
RX VGC
Ground for all circuitry in the device. A very low inductance from the
base to the PCB groundplane is essential for good performance. Use
an array of vias immediately underneath the device.
This diode structure is used to provide electrostatic discharge protec-
tected: 1-4, 7, 8, 10, 19-32.
ESD
V
CC
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