參數(shù)資料
型號: RF25A
英文描述: RF25A for CDMA. and AMPS Applications
中文描述: RF25A用于CDMA。和AMPS應(yīng)用
文件頁數(shù): 9/17頁
文件大?。?/td> 434K
代理商: RF25A
RxASIC
RF25A
101110A
August4, 2000
Conexant–Preliminary
ProprietaryInformation
9
Table5.RF25A RxASIC ElectricalSpecifications (2of2)
TA =25
°
C,VCC =3.0V,PLO=-10dBm
Parameter
Symbol
TestCondition
Mn
Typical
Max
Units
RxVGA -I/QDemodulator(continued)
Gainslope
45
dB/V
Gainslopelinearity(overany6dBsegment)
-3
+3
dB
IF amplifierIIP3:
@Maximumgain(CDMAmode)
@Maximumgain(AMPS mode)
-50
-58
dBm
Input1dBcompression@mnimumgain
-10
dBm
IF amplifiernoisefigure:
@MaximumCDMAgain
@MnimumCDMAgain
@MaximumAMPS gain
6
50
8
dB
dB
dB
Outputlevel:
CDMA
AMPS
2.75
5.5
mVrms
mVrms
Maximumoutputlevel
1.4
Vp-p
Gainvariationoverfrequency:
CDMA(1-630kHz)
AMPS (0.1-12.2kHz)
0.1
0.1
0.3
0.3
dB
dB
I+,I-,andQ+,Q-DC offset
6
mVrms
I/Qgainmsmatch
0.2
0.3
dB
I/Qphasemsmatch
2
4
deg
ItoQDC offset
30
mV
Totalsupplycurrent(includesI/Qmxers,LObuffers,and
dividers)
12
mA
Oscillator
Frequencyrange
100
600
MHz
Phasenoise(fc=200MHz,unloadedQ=20)@100kHz
offset
-117
dBc/Hz
Secondharmonicdistortion(applicationdependent)
-30
-26
dBc
OutputleveltoPLL(differential)
300
mVp-p
OutputimpedancetoPLL(differential)
300
Reverseisolation
-30
-40
dB
Totalsupplycurrent
8
mA
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