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參數(shù)資料
| 型號： | RF2705 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | 887664300 |
| 中文描述： | TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQCC24 |
| 封裝： | 4 X 4 MM, PLASTIC, QFN-24 |
| 文件頁數(shù)： | 7/24頁 |
| 文件大?。?/td> | 379K |
| 代理商： | RF2705 |
5-119
RF2705
Rev A4 041026
Parameter
Specification
Typ.
Unit
Condition
Min.
Max.
Output Performance with CW Baseband Inputs
Low Band Mode (GSM850/GSM900), cont’d
Mode=Low Band F
LO
x1 (see Control Logic Truth Table for Mode Control Settings)
Intermodulation
Output IP3*
+20.0
dBm
GC=2.0V. Extrapolated from IM3 with two
baseband tones at 90kHz and 110kHz
applied differentially, in quadrature, at both I
and Q inputs, each tone 400mV
P-P
.
Intermodulation IM3 tone at
F
C
+70kHz and F
C
+130kHz
relative to tones at
F
C
+90kHz and F
C
+110kHz
Low Band Bypass Mode (GSM850/GSM900)
Mode=Low Band Bypass (see Control Logic Truth Table for Mode Control Settings)
PA Driver
GMSK Input Power*
-3
GMSK Output Power
5.0
Output Impedance*
Output Noise
At F
C
±20MHz*
* Not tested in Production
-48
dBc
GC=2.0V
V
CC
=2.7V
At LO LB input from a 50
source.
At RF LB output
0
+3
10.0
dBm
dBm
7.5
50
-161
-159
dBc/Hz
AM+PM noise, LO=0dBm
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