2-494
RF3146D
Rev A11 060719
Parameter
Specification
Unit
Condition
Min.
Typ.
Max.
Overall (DCS Mode)
Temp=25°C, VBATT=3.5V,
VRAMP=VRAMP MAX, PIN=3dBm,
Freq=1710MHz to 1785MHz,
25% Duty Cycle, pulse width=1154
μs
Operating Frequency Range
1710 to 1785
MHz
Maximum Output Power
+31.5
dBm
Temp=25°C, VBATT=3.5V,
VRAMP =VRAMP MAX
29.5
dBm
Temp=+85°C, VBATT=3.0V,
VRAMP=VRAMP MAX
Total Efficiency
44
52
%
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
-85
-80
dBm
RBW=100kHz, 1805MHz to 1880MHz,
POUT > 0dBm, VBATT=3.5V
Forward Isolation 1
-50
-35
dBm
TXEnable=Low, PIN=+5dBm
Forward Isolation 2
-25
-15
dBm
TXEnable=High, VRAMP=0.2V, PIN=+5dBm
Second Harmonic
-15
-7
dBm
VRAMP=0.2V to VRAMP=VRAMP_RP
Third Harmonic
-20
-15
dBm
VRAMP=0.2V to VRAMP=VRAMP_RP
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
Set VRAMP where POUT<31.5dBm into 50Ω
load
Output Load VSWR Ruggedness
10:1
Set VRAMP where POUT<31.5dBm into 50Ω
load. No damage or permanent degradation
to part.
Output Load Impedance
50
Ω
Load impedance presented at RF OUT pin
Power Control VRAMP
Power Control Range
50
dB
VRAMP=0.2V to VRAMP MAX, PIN=+5dBm
Notes:
VRAMP MAX=0.4*VBATT+0.06<1.5V
VRAMP_RP=VRAMP set for 31.5dBm at nominal conditions
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