2-263
RF3108
Rev A3 010702
2
Parameter
Specification
Unit
Condition
Min.
Typ.
Max.
Overall (DCS/PCS Mode)
Temp= 25°C, VCC=3.5V,
VAPCDCS/PCS=2.6V, 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,
VAPCDCS/PCS=2.6V, 1710MHz to 1785MHz
31.5
32.5
dBm
1850MHz to 1910MHz
29.0
29.5
dBm
Temp= +85°C, VCC=2.9V, VAPC=2.6V,
1850MHz to 1910MHz
29.5
30
dBm
1710MHz to 1785MHz
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
VAPCDCS/PCS=0.2V, PIN=+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
POUT,MAX-5dB<POUT<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
POUT=-10dBm to +33dBm
APC Input Capacitance
10
pF
DC to 2MHz
APC Input Current
4.5
5
mA
VAPC=2.6V
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
Power Supply Current
1.3
A
DC Current at POUT,MAX
110
µAP
IN < -30 dBm, VAPC1,2 =0.2 V,
Temp= -40to+85°C
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