3 of 12
RF3108
Rev A7 DS051003
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Parameter
Specification
Unit
Condition
Min.
Typ.
Max.
Overall (DCS/PCS Mode)
Temp=25°C, VCC=3.5V,
V
APCDCS/PCS = 2.6 V, PIN =6dBm,
Freq=1710MHz to 1910MHz,
25% Duty Cycle, Pulse Width=1154
μs
Operating Frequency Range
1710 to 1910
MHz
Maximum Output Power
+32
+33
dBm
Temp=25°C, VCC=3.5V,
V
APCDCS/PCS = 2.6 V, 1710 MHz to 1785 MHz
31.5
32.5
dBm
1850MHz to 1910MHz
31.5
dBm
50% Duty Cycle, Pulse Width 2308
μs,
1710MHz to 1785MHz
31.0
dBm
1850MHz to 1910MHz
29.5
30.0
dBm
Temp=+85°C, VCC=2.9V, VAPC=2.6V,
1710MHz to 1785MHz
29.0
29.5
dBm
1850MHz to 1910MHz
Total Efficiency
45
52
%
At POUT,MAX, VCC=3.5V,
1710MHz to 1785MHz
40
47
%
At POUT,MAX, VCC=3.5V,
1850MHz to 1910MHz
Recommended Input Power Range
+4
+6
+8
dBm
Output Noise Power
-77
dBm
RBW=100kHz, 1805MHz to 1880MHz and
1930MHz to 1990MHz,
POUT > 34.5dBm, VCC=3.5V
Forward Isolation
-37
-30
dBm
V
APCDCS/PCS = 0.2 V, P
IN=+8dBm
Second Harmonic
-60
-45
dBc
POUT, =+32.5dBm
Third Harmonic
-65
-50
dBc
All other spurious
-36
dBm
Input Impedance
50
Ω
Input VSWR
-
2.5
P
OUT,MAX -5 dB < P
OUT <POUT,MAX
Output Load VSWR
8:1
Spurious<-36dBm,
VAPCDCS/PCS=0.2V to 2.6V, RBW=100kHz
Output Load Impedance
50
Ω
Load impedance presented at RF OUT pin
Power Control VAPC2
Power Control “ON”
2.6
V
Max. POUT, Voltage supplied to the input
Power Control “OFF”
0.2
0.5
V
Min. POUT, Voltage supplied to the input
Power Control Range
62
68
dB
VAPC1,2=0.2V to 2.6V, PIN=+8dBm
Gain Control Slope
100
dB/V
P
OUT = -10 dBm to +33 dBm
APC Input Capacitance
10
pF
DC to 2MHz
APC Input Current
4.5
5
mA
V
APC =2.6 V
10
μAV
APC=0V
Turn On/Off TIme
100
ns
VAPC=0to2.6V
Overall Power Supply
Power Supply Voltage
3.5
V
Specifications
2.9
4.7
V
Nominal operating limits, POUT<+33dBm
2.9
4.3
V
50% Duty Cycle, Pulse Width 2308
μs
Power Supply Current
2
A
DC Current at POUT,MAX
110
μAPIN<-30dBm, VAPC1,2=0.2V,
Temp=-40to+85°C
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