2 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.
Absolute Maximum Ratings
Parameter
Rating
Unit
Supply Voltage
-0.5 to +6.0
V
DC
Power Control Voltage (V
APC1,2)
-0.5 to +3.0
V
DC Supply Current
2400
mA
Input RF Power
+13
dBm
Duty Cycle at Max Power
50
%
Output Load VSWR
8:1
Operating Case Temperature
-40 to +85
°C
Storage Temperature
-55 to +150
°C
Parameter
Specification
Unit
Condition
Min.
Typ.
Max.
Overall (GSM Mode)
Temp=+25°C, V
CC = 3.5 V, VAPCGSM =2.6 V,
P
IN =6dBm, Freq =880 MHz to 915MHz,
25% Duty Cycle, Pulse Width=1154
μs
Operating Frequency Range
880 to 915
MHz
Maximum Output Power
+34.5
35.5
dBm
Temp = 25°C, V
CC =3.5 V, VAPCGS
M =2.6V
34.0
dBm
50% Duty Cycle, Pulse Width=2308
μs
+32.0
dBm
Temp=+85 °C, V
CC =2.9 V, VAPCGS
M =2.6V
Total Efficiency
47
55
%
At POUT,MAX, VCC=3.5V
Input Power for Max Output
+4
+6
+8
dBm
Output Noise Power
-72
dBm
RBW=100kHz, 925MHz to 935MHz,
POUT > 34.5dBm
-81
dBm
RBW=100kHz, 935MHz to 960MHz,
POUT > 34.5dBm
Forward Isolation
-30
dBm
V
APCGS
M=0.2V, PIN=+8dBm
Second Harmonic
-40
-35
dBc
Third Harmonic
-50
-43
dBc
All other non harmonic spurious
-36
dBm
Input Impedance
50
Ω
Input VSWR
2.5:1
POUT,MAX-5dB<POUT<POUT,MAX
Output Load VSWR
8:1
Spurious<-36dBm, V
APCGS
M=0.2V to 2.6V,
RBW=100kHz
Output Load Impedance
50
Ω
Load impedance presented at RF OUT pad
Power Control VAPC1
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
70
dB
V
APC1,2 =0.2 V to 2.6V
Gain Control Slope
100
dB/V
POUT=-10dBm to 35dBm
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
2
μSV
APC =0 to 2.6V
Caution! ESD sensitive device.
Exceeding any one or a combination of the Absolute Maximum Rating conditions may
cause permanent damage to the device. Extended application of Absolute Maximum
Rating conditions to the device may reduce device reliability. Specified typical perfor-
mance or functional operation of the device under Absolute Maximum Rating condi-
tions is not implied.
RoHS status based on EUDirective2002/95/EC (at time of this document revision).
The information in this publication is believed to be accurate and reliable. However, no
responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any
infringement of patents, or other rights of third parties, resulting from its use. No
license is granted by implication or otherwise under any patent or patent rights of
RFMD. RFMD reserves the right to change component circuitry, recommended appli-
cation circuitry and specifications at any time without prior notice.
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