RF2475 Ver la hoja de datos (PDF) - RF Micro Devices
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RF2475 Datasheet PDF : 20 Pages
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Preliminary
RF2475
Parameter
Specification
Unit
Min.
Typ.
Max.
Condition
PCS Receive Path, Cont’d
PCS Block Level
Electrical Specifications
Low Noise Amplifier
Frequency Range
1930
1990
MHz
Gain
22
dB
High Gain, Gain Select=High
2
dB
Low Gain, Gain Select=Low
Gain Step
16
20
dB
Gain Variations versus Tempera-
+1.0
dB
-30°C to +85°C
ture
Noise Figure
1.7
1.9
dB
High Gain, Gain Select=High
dB
Low Gain, Gain Select=Low
Input Third Order Intercept
-7
-6
dBm
High Gain, Gain Select=High
-2
0
dBm
Low Gain, Gain Select=Low
Terminating Impedance
50
Ω
Supply Current
8
9
mA
High Gain, Gain Select=High
8
9
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
Frequency Range, IF Output
Frequency Range, LO Input to
Doubler
Frequency Range, Doubler Out-
put
Conversion Gain
Noise Figure (SSB)
Input Second Order Intercept
Input Third Order Intercept
Terminating Impedance,
Mixer In, LO In, LO Out
Terminating Impedance,
Mixer In, LO In, LO Out
Return Loss
Terminating Impedance,
IF Out
Mixer Supply Current
LO Input Level
LO Buffer Supply Current
LO Output Level
1930
100
1015
2030
7
7
-10
-5
1039
2078
8
13
35
8
50
10
>10
23
-7
7.5
-2
1990
MHz
150
MHz
8
1063
MHz
LO input to device at LO IN8.
2126
9
4
MHz
dB
dB
dBm
dBm
Ω
Internal output of LO doubler driving the
mixer and TX LO buffer.
External Match
Ω
External Match
kΩ
Mixer “ON”
28
mA
Including the LO doubler, but not the TX LO
buffer
-4
dBm
8.0
mA
Including the LO doubler and the TX LO
buffer
dBm
Rev A2 010918
8-93
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