RF2475PCBA View Datasheet(PDF) - RF Micro Devices
Part Name
Description
MFG CO.
'RF2475PCBA' PDF : 20 Pages View PDF
Preliminary
RF2475
Parameter
Specification
Unit
Min.
Typ.
Max.
Condition
Cellular Receive Path,
Cont’d
Cellular Block Level
Electrical Specifications
Low Noise Amplifier
Frequency Range
869
894
MHz
Gain
20
dB
High Gain, Gain Select=High
3
6
dB
Low Gain, Gain Select=Low
Gain Step
14
17
dB
Gain Variations versus Tempera-
+1.0
dB
-30°C to +85°C
ture
Noise Figure
1.4
1.6
dB
High Gain, Gain Select=High
dB
Low Gain, Gain Select=Low
Input Third Order Intercept
-3
0
dBm
High Gain, Gain Select=High
-3
0
dBm
Low Gain, Gain Select=Low
Terminating Impedance
50
Ω
External Match
Supply Current
6
8
mA
High Gain, Gain Select=High
6
8
mA
Low Gain, Gain Select=Low
Logic Input Low
0.5
V
VCC=2.7V to 2.9V
Logic Input High
2.0
V
VCC=2.7V to 2.9V
Mixer and LO Buffer
Frequency Range, Mixer Input
869
894
MHz
8
Frequency Range, IF Output
85
150
MHz
Frequency Range, LO Input
950
1045
MHz
Conversion Gain
7
8
9
dB
Noise Figure (SSB)
11
12
dB
Input Third Order Intercept
7
8
dBm
Terminating Impedance,
Mixer In, LO In, LO Out
50
Ω
External Match
Terminating Impedance,
Mixer In, LO In, LO Out
Return Loss
10
Ω
External Match
Terminating Impedance,
IF Out
>10
kΩ
Mixer “ON”
Mixer Supply Current
14
19
mA
LO Input Level
-10
-7
-4
dBm
LO Buffer Supply Current
7.5
9.0
mA
LO Output Level
-7
-4
dBm
PCS Receive Path
Operational Limits
RF Frequency
Frequency Range, LO Input to
Doubler
Frequency Range, Doubler Out-
put
IF Frequency
LNA Input Level
LO Input Level
Supply Voltage
1930
1015
2030
100
-10
2.7
1039
2078
-7
2.8
1990
1063
2126
150
+10
-4
3.3
MHz
MHz
MHz
MHz
dBm
dBm
V
LO input to device at LO IN8.
Internal output of LO doubler driving the
mixer and TX LO buffer.
Rev A2 010918
8-91
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