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參數(shù)資料
| 型號(hào)： | RF2705PCBA-41X |
| 廠商： | RF Micro Devices, Inc. |
| 英文描述： | 887664400 |
| 中文描述： | 低噪聲，多模，四頻，正交調(diào)制器及PA驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 4/24頁(yè) |
| 文件大?。?/td> | 379K |
| 代理商： | RF2705PCBA-41X |
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5-116
RF2705
Rev A4 041026
Parameter
Specification
Typ.
Unit
Condition
Min.
Max.
Output Performance with Modulated Baseband Inputs
W-CDMA Mode
Mode=Wideband F
LO
x2 (see Control Logic Truth Table for Mode Control Settings)
Output Power
V
CC
=2.7V, T=+25°C, while meeting 48dBc
ALCR
Maximum Output Power with
W-CDMA Modulated Signal*
High Power Mode
Medium Power Mode
3
-4
6
-1
dBm
dBm
GC=2.0V
GC=1.5V
Difference between output power at
GC=2.0V and GC=0.2V.
Gain Range
High Power Mode
90
dB
Gain Step
Gain step when switching between power
modes in either direction.
GC=1.4V
GC=TBD
High Power to Medium Power
Medium Power to Low Power
Out-of-Band Emission
Adjacent Channel Leakage
Power Ratio (ALCR)*
Channel Spacing
±0.5
TBD
dB
dB
±5MHz
±10MHz
50
65
dBc
dBc
3.84MHz relative to channel power
3.84MHz relative to channel power
Error Vector Magnitude
RMS*
Output Noise
At F
C
±40MHz*
1.4
%rms
3GPP W-CDMA
-152
-146
-146
dBc/Hz
dBc/Hz
GC=2.0V
GC=2.0V to 1.5V
General Conditions
Local Oscillator
LO LB Input Frequency
RF WB Output Frequency
960
1920
-10.0
990
1980
+3.0
MHz
MHz
dBm
Input Power
0.0
IQ Baseband Inputs
3GPP W-CDMA
HQPSK, 1DPCCH+1DPDCH
Input IQ signal driven differentially and in
quadrature.
IQ Level
0.8
V
P-P
IQ Common Mode
Input Bandwidth
1.2
11
V
8
MHz
dB
Baseband Filter Attenuation
* Not tested in Production
10
At 40MHz offset
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