2-494
RF3140
Rev A9 060217
Parameter
Specification
Unit
Condition
Min.
Typ.
Max.
Overall (GSM900 Mode)
Temp=+25 °C, VBATT=3.5V,
VRAMP=VRAMP MAX, PIN=3dBm,
VREG=2.8V, Freq=880MHz to 915MHz,
25% Duty Cycle, Pulse Width=1154
μs
Operating Frequency Range
880 to 915
MHz
Maximum Output Power
+34.2
+35.0
dBm
Temp = 25 °C, VBATT=3.5V,
VRAMP=VRAMP MAX
32
33
dBm
Temp=+85 °C, VBATT=3.0V,
VRAMP =VRAMP MAX
Total Efficiency
52
58
%
At POUT MAX, VBATT=3.5V
Input Power Range
0
+3
+5
dBm
Maximum output power guaranteed at mini-
mum drive level
Output Noise Power
-86
-82
dBm
RBW=100kHz, 925MHz to 935MHz,
POUT > +5dBm
-88
-84
dBm
RBW=100kHz, 935MHz to 960MHz,
POUT > +5dBm
Forward Isolation 1
-35
-25
dBm
TXEnable=Low, 0V, PIN=+5dBm
Forward Isolation 2
-25
-10
dBm
TXEnable=High, VRAMP=0.2V, PIN=+5dBm
Cross Band Isolation 2f0
-24
-20
dBm
VRAMP=0.2V to VRAMP MAX
Second Harmonic
-15
-5
dBm
VRAMP=0.2V to VRAMP MAX
Third Harmonic
-30
-10
dBm
VRAMP=0.2V to VRAMP MAX
All Other
Non-Harmonic Spurious
-36
dBm
VRAMP=0.2V to VRAMP MAX
Input Impedance
50
Ω
Input VSWR
2.5:1
VRAMP=0.2V to VRAMP MAX
Output Load VSWR Stability
8:1
Spurious<-36dBm, RBW=3MHz
Output Load VSWR Ruggedness
10:1
Set VRAMP where VRAMP<34.2dBm into
50
Ω load
Output Load Impedance
50
Ω
Load impedance presented at RF OUT pad
Power Control VRAMP
Power Control Range
50
dB
VRAMP=0.2V to VRAMP MAX
Note: VRAMP MAX=3/8*VBATT+0.18<1.5V
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